/* This is MMU test for OpenRISC 1200 */
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/* This is MMU test for OpenRISC 1200 */
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#include "spr_defs.h"
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#include "spr_defs.h"
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#include "support.h"
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#include "support.h"
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/* For shorter simulation run */
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/* For shorter simulation run */
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#define RTL_SIM 1
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#define RTL_SIM 1
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/* Define RAM physical location and size
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/* Define RAM physical location and size
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Bottom half will be used for this program, the rest
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Bottom half will be used for this program, the rest
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will be used for testing */
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will be used for testing */
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#define FLASH_START 0xf0000000
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#define FLASH_START 0xf0000000
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#define FLASH_SIZE 0x00200000
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#define FLASH_SIZE 0x00200000
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#define RAM_START 0x00000000
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#define RAM_START 0x00000000
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#define RAM_SIZE 0x00200000
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#define RAM_SIZE 0x00200000
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/* What is the last address in ram that is used by this program */
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/* What is the last address in ram that is used by this program */
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#define TEXT_END_ADD (FLASH_START + (FLASH_SIZE / 2))
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#define TEXT_END_ADD (FLASH_START + (FLASH_SIZE / 2))
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#define DATA_END_ADD (RAM_START + (RAM_SIZE / 2))
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#define DATA_END_ADD (RAM_START + (RAM_SIZE / 2))
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#define TLB_TEXT_SET_NB 8
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#define TLB_TEXT_SET_NB 8
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#define TLB_DATA_SET_NB 4
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#define TLB_DATA_SET_NB 4
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/* MMU page size */
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/* MMU page size */
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#define PAGE_SIZE 8192
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#define PAGE_SIZE 8192
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/* Number of DTLB sets used (power of 2, max is 256) */
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/* Number of DTLB sets used (power of 2, max is 256) */
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#define DTLB_SETS 64
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#define DTLB_SETS 64
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/* Number of DTLB ways (1, 2, 3 etc., max is 4). */
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/* Number of DTLB ways (1, 2, 3 etc., max is 4). */
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#define DTLB_WAYS 1
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#define DTLB_WAYS 1
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/* Number of ITLB sets used (power of 2, max is 256) */
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/* Number of ITLB sets used (power of 2, max is 256) */
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#define ITLB_SETS 64
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#define ITLB_SETS 64
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/* Number of ITLB ways (1, 2, 3 etc., max is 4). */
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/* Number of ITLB ways (1, 2, 3 etc., max is 4). */
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#define ITLB_WAYS 1
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#define ITLB_WAYS 1
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/* TLB mode codes */
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/* TLB mode codes */
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#define TLB_CODE_ONE_TO_ONE 0x00000000
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#define TLB_CODE_ONE_TO_ONE 0x00000000
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#define TLB_CODE_PLUS_ONE_PAGE 0x10000000
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#define TLB_CODE_PLUS_ONE_PAGE 0x10000000
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#define TLB_CODE_MINUS_ONE_PAGE 0x20000000
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#define TLB_CODE_MINUS_ONE_PAGE 0x20000000
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#define TLB_CODE_MASK 0xfffff000
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#define TLB_CODE_MASK 0xfffff000
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#define TLB_PR_MASK 0x00000fff
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#define TLB_PR_MASK 0x00000fff
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#define DTLB_PR_NOLIMIT ( SPR_DTLBTR_CI | \
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#define DTLB_PR_NOLIMIT ( SPR_DTLBTR_CI | \
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SPR_DTLBTR_URE | \
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SPR_DTLBTR_URE | \
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SPR_DTLBTR_UWE | \
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SPR_DTLBTR_UWE | \
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SPR_DTLBTR_SRE | \
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SPR_DTLBTR_SRE | \
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SPR_DTLBTR_SWE )
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SPR_DTLBTR_SWE )
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#define ITLB_PR_NOLIMIT ( SPR_ITLBTR_CI | \
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#define ITLB_PR_NOLIMIT ( SPR_ITLBTR_CI | \
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SPR_ITLBTR_SXE | \
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SPR_ITLBTR_SXE | \
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SPR_ITLBTR_UXE )
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SPR_ITLBTR_UXE )
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#if 1
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#if 1
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#define debug printf
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#define debug printf
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#else
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#else
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#define debug
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#define debug
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#endif
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#endif
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/* fails if x is false */
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/* fails if x is false */
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#define ASSERT(x) ((x)?1: fail (__FUNCTION__, __LINE__))
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#define ASSERT(x) ((x)?1: fail (__FUNCTION__, __LINE__))
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//#define TEST_JUMP(x) testjump( ((x) & (RAM_SIZE/2 - 1)) + DATA_END_ADD, (x))
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//#define TEST_JUMP(x) testjump( ((x) & (RAM_SIZE/2 - 1)) + DATA_END_ADD, (x))
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#define TEST_JUMP(x) copy_jump (((x) & (RAM_SIZE/2 - 1)) + DATA_END_ADD); call (x)
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#define TEST_JUMP(x) copy_jump (((x) & (RAM_SIZE/2 - 1)) + DATA_END_ADD); call (x)
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/* Extern functions */
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/* Extern functions */
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extern void lo_dmmu_en (void);
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extern void lo_dmmu_en (void);
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extern void lo_immu_en (void);
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extern void lo_immu_en (void);
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extern int lo_dtlb_ci_test (unsigned long, unsigned long);
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extern int lo_dtlb_ci_test (unsigned long, unsigned long);
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extern int lo_itlb_ci_test(unsigned long, unsigned long);
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extern int lo_itlb_ci_test(unsigned long, unsigned long);
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extern void testjump(unsigned long phy_addr, unsigned long virt_addr);
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extern void testjump(unsigned long phy_addr, unsigned long virt_addr);
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extern void (*jr)(void);
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extern void (*jr)(void);
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/* Local functions prototypes */
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/* Local functions prototypes */
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void dmmu_disable (void);
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void dmmu_disable (void);
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void immu_disable (void);
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void immu_disable (void);
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/* Global variables */
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/* Global variables */
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extern unsigned long ram_end;
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extern unsigned long ram_end;
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/* DTLB mode status */
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/* DTLB mode status */
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volatile unsigned long dtlb_val;
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volatile unsigned long dtlb_val;
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/* ITLB mode status */
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/* ITLB mode status */
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volatile unsigned long itlb_val;
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volatile unsigned long itlb_val;
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/* DTLB miss counter */
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/* DTLB miss counter */
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volatile int dtlb_miss_count;
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volatile int dtlb_miss_count;
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/* Data page fault counter */
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/* Data page fault counter */
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volatile int dpage_fault_count;
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volatile int dpage_fault_count;
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/* ITLB miss counter */
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/* ITLB miss counter */
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volatile int itlb_miss_count;
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volatile int itlb_miss_count;
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/* Instruction page fault counter */
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/* Instruction page fault counter */
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volatile int ipage_fault_count;
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volatile int ipage_fault_count;
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/* EA of last DTLB miss exception */
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/* EA of last DTLB miss exception */
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unsigned long dtlb_miss_ea;
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unsigned long dtlb_miss_ea;
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/* EA of last data page fault exception */
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/* EA of last data page fault exception */
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unsigned long dpage_fault_ea;
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unsigned long dpage_fault_ea;
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/* EA of last ITLB miss exception */
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/* EA of last ITLB miss exception */
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unsigned long itlb_miss_ea;
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unsigned long itlb_miss_ea;
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/* EA of last insn page fault exception */
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/* EA of last insn page fault exception */
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unsigned long ipage_fault_ea;
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unsigned long ipage_fault_ea;
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void sys_call (void)
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void sys_call (void)
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{
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{
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asm("l.sys\t0");
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asm("l.sys\t0");
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}
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}
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void fail (char *func, int line)
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void fail (char *func, int line)
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{
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{
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#ifndef __FUNCTION__
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#ifndef __FUNCTION__
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#define __FUNCTION__ "?"
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#define __FUNCTION__ "?"
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#endif
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#endif
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/* Trigger sys call exception to enable supervisor mode again */
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/* Trigger sys call exception to enable supervisor mode again */
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sys_call ();
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sys_call ();
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immu_disable ();
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immu_disable ();
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dmmu_disable ();
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dmmu_disable ();
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debug("Test failed in %s:%i\n", func, line);
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debug("Test failed in %s:%i\n", func, line);
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report (0xeeeeeeee);
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report (0xeeeeeeee);
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exit (1);
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exit (1);
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}
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}
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void call(unsigned long add)
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void call(unsigned long add)
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{
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{
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asm("l.jalr\t\t%0" : : "r" (add) : "r9", "r11");
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asm("l.jalr\t\t%0" : : "r" (add) : "r9", "r11");
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asm("l.nop" : :);
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asm("l.nop" : :);
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}
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}
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void jump(void)
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void jump(void)
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{
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{
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asm("_jr:");
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asm("_jr:");
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asm("l.jr\t\tr9") ;
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asm("l.jr\t\tr9") ;
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asm("l.nop" : :);
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asm("l.nop" : :);
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}
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}
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void copy_jump(unsigned long phy_add)
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void copy_jump(unsigned long phy_add)
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{
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{
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memcpy((void *)phy_add, (void *)&jr, 8);
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memcpy((void *)phy_add, (void *)&jr, 8);
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}
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}
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/* Bus error exception handler */
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/* Bus error exception handler */
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void bus_err_handler (void)
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void bus_err_handler (void)
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{
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{
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/* This shouldn't happend */
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/* This shouldn't happend */
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debug("Test failed: Bus error\n");
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debug("Test failed: Bus error\n");
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report (0xeeeeeeee);
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report (0xeeeeeeee);
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exit (1);
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exit (1);
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}
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}
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/* Illegal insn exception handler */
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/* Illegal insn exception handler */
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void ill_insn_handler (void)
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void ill_insn_handler (void)
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{
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{
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/* This shouldn't happend */
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/* This shouldn't happend */
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debug("Test failed: Illegal insn\n");
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debug("Test failed: Illegal insn\n");
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report (0xeeeeeeee);
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report (0xeeeeeeee);
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exit (1);
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exit (1);
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}
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}
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/* Sys call exception handler */
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/* Sys call exception handler */
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void sys_call_handler (void)
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void sys_call_handler (void)
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{
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{
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/* Set supervisor mode */
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/* Set supervisor mode */
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mtspr (SPR_ESR_BASE, mfspr (SPR_ESR_BASE) | SPR_SR_SM);
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mtspr (SPR_ESR_BASE, mfspr (SPR_ESR_BASE) | SPR_SR_SM);
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}
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}
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/* DTLB miss exception handler */
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/* DTLB miss exception handler */
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void dtlb_miss_handler (void)
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void dtlb_miss_handler (void)
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{
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{
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unsigned long ea, ta, tlbtr;
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unsigned long ea, ta, tlbtr;
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int set, way = 0;
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int set, way = 0;
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int i;
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int i;
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/* Get EA that cause the exception */
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/* Get EA that cause the exception */
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ea = mfspr (SPR_EEAR_BASE);
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ea = mfspr (SPR_EEAR_BASE);
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/* Find TLB set and LRU way */
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/* Find TLB set and LRU way */
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set = (ea / PAGE_SIZE) % DTLB_SETS;
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set = (ea / PAGE_SIZE) % DTLB_SETS;
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for (i = 0; i < DTLB_WAYS; i++) {
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for (i = 0; i < DTLB_WAYS; i++) {
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if ((mfspr (SPR_DTLBMR_BASE(i) + set) & SPR_DTLBMR_LRU) == 0) {
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if ((mfspr (SPR_DTLBMR_BASE(i) + set) & SPR_DTLBMR_LRU) == 0) {
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way = i;
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way = i;
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break;
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break;
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}
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}
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}
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}
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debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
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debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
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if (((RAM_START <= ea) && (ea < DATA_END_ADD) ) || ((FLASH_START <= ea) && (ea < TEXT_END_ADD))) {
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if (((RAM_START <= ea) && (ea < DATA_END_ADD) ) || ((FLASH_START <= ea) && (ea < TEXT_END_ADD))) {
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/* If this is acces to data of this program set one to one translation */
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/* If this is acces to data of this program set one to one translation */
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mtspr (SPR_DTLBMR_BASE(way) + set, (ea & SPR_DTLBMR_VPN) | SPR_DTLBMR_V);
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mtspr (SPR_DTLBMR_BASE(way) + set, (ea & SPR_DTLBMR_VPN) | SPR_DTLBMR_V);
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mtspr (SPR_DTLBTR_BASE(way) + set, (ea & SPR_DTLBTR_PPN) | DTLB_PR_NOLIMIT);
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mtspr (SPR_DTLBTR_BASE(way) + set, (ea & SPR_DTLBTR_PPN) | DTLB_PR_NOLIMIT);
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return;
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return;
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}
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}
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/* Update DTLB miss counter and EA */
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/* Update DTLB miss counter and EA */
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dtlb_miss_count++;
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dtlb_miss_count++;
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dtlb_miss_ea = ea;
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dtlb_miss_ea = ea;
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/* Whatever access is in progress, translated address have to point to physical RAM */
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/* Whatever access is in progress, translated address have to point to physical RAM */
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ta = (ea & ((RAM_SIZE/2) - 1)) + RAM_START + (RAM_SIZE/2);
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ta = (ea & ((RAM_SIZE/2) - 1)) + RAM_START + (RAM_SIZE/2);
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tlbtr = (ta & SPR_DTLBTR_PPN) | (dtlb_val & TLB_PR_MASK);
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tlbtr = (ta & SPR_DTLBTR_PPN) | (dtlb_val & TLB_PR_MASK);
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debug("tlbtr = %.8lx dtlb_val = %.8lx\n", tlbtr, dtlb_val);
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debug("tlbtr = %.8lx dtlb_val = %.8lx\n", tlbtr, dtlb_val);
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/* Set DTLB entry */
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/* Set DTLB entry */
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mtspr (SPR_DTLBMR_BASE(way) + set, (ea & SPR_DTLBMR_VPN) | SPR_DTLBMR_V);
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mtspr (SPR_DTLBMR_BASE(way) + set, (ea & SPR_DTLBMR_VPN) | SPR_DTLBMR_V);
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mtspr (SPR_DTLBTR_BASE(way) + set, tlbtr);
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mtspr (SPR_DTLBTR_BASE(way) + set, tlbtr);
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}
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}
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/* Data page fault exception handler */
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/* Data page fault exception handler */
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void dpage_fault_handler (void)
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void dpage_fault_handler (void)
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{
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{
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unsigned long ea;
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unsigned long ea;
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int set, way = 0;
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int set, way = 0;
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int i;
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int i;
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/* Get EA that cause the exception */
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/* Get EA that cause the exception */
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ea = mfspr (SPR_EEAR_BASE);
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ea = mfspr (SPR_EEAR_BASE);
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/* Find TLB set and way */
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/* Find TLB set and way */
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set = (ea / PAGE_SIZE) % DTLB_SETS;
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set = (ea / PAGE_SIZE) % DTLB_SETS;
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for (i = 0; i < DTLB_WAYS; i++) {
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for (i = 0; i < DTLB_WAYS; i++) {
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if ((mfspr (SPR_DTLBMR_BASE(i) + set) & SPR_DTLBMR_VPN) == (ea & SPR_DTLBMR_VPN)) {
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if ((mfspr (SPR_DTLBMR_BASE(i) + set) & SPR_DTLBMR_VPN) == (ea & SPR_DTLBMR_VPN)) {
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way = i;
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way = i;
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break;
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break;
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}
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}
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}
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}
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debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
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debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
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if (((RAM_START <= ea) && (ea < DATA_END_ADD) ) || ((FLASH_START <= ea) && (ea < TEXT_END_ADD))) {
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if (((RAM_START <= ea) && (ea < DATA_END_ADD) ) || ((FLASH_START <= ea) && (ea < TEXT_END_ADD))) {
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/* If this is acces to data of this program set one to one translation */
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/* If this is acces to data of this program set one to one translation */
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mtspr (SPR_DTLBTR_BASE(way) + set, (ea & SPR_DTLBTR_PPN) | DTLB_PR_NOLIMIT);
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mtspr (SPR_DTLBTR_BASE(way) + set, (ea & SPR_DTLBTR_PPN) | DTLB_PR_NOLIMIT);
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return;
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return;
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}
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}
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/* Update data page fault counter and EA */
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/* Update data page fault counter and EA */
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dpage_fault_count++;
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dpage_fault_count++;
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dpage_fault_ea = ea;
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dpage_fault_ea = ea;
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/* Give permission */
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/* Give permission */
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mtspr (SPR_DTLBTR_BASE(way) + set, (mfspr (SPR_DTLBTR_BASE(way) + set) & ~DTLB_PR_NOLIMIT) | dtlb_val);
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mtspr (SPR_DTLBTR_BASE(way) + set, (mfspr (SPR_DTLBTR_BASE(way) + set) & ~DTLB_PR_NOLIMIT) | dtlb_val);
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}
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}
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/* ITLB miss exception handler */
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/* ITLB miss exception handler */
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void itlb_miss_handler (void)
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void itlb_miss_handler (void)
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{
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{
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unsigned long ea, ta, tlbtr;
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unsigned long ea, ta, tlbtr;
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int set, way = 0;
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int set, way = 0;
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int i;
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int i;
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/* Get EA that cause the exception */
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/* Get EA that cause the exception */
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ea = mfspr (SPR_EEAR_BASE);
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ea = mfspr (SPR_EEAR_BASE);
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/* Find TLB set and LRU way */
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/* Find TLB set and LRU way */
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set = (ea / PAGE_SIZE) % ITLB_SETS;
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set = (ea / PAGE_SIZE) % ITLB_SETS;
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for (i = 0; i < ITLB_WAYS; i++) {
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for (i = 0; i < ITLB_WAYS; i++) {
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if ((mfspr (SPR_ITLBMR_BASE(i) + set) & SPR_ITLBMR_LRU) == 0) {
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if ((mfspr (SPR_ITLBMR_BASE(i) + set) & SPR_ITLBMR_LRU) == 0) {
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way = i;
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way = i;
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break;
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break;
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}
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}
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}
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}
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debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
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debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
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if ((FLASH_START <= ea) && (ea < TEXT_END_ADD)) {
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if ((FLASH_START <= ea) && (ea < TEXT_END_ADD)) {
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/* If this is acces to data of this program set one to one translation */
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/* If this is acces to data of this program set one to one translation */
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mtspr (SPR_ITLBMR_BASE(way) + set, (ea & SPR_ITLBMR_VPN) | SPR_ITLBMR_V);
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mtspr (SPR_ITLBMR_BASE(way) + set, (ea & SPR_ITLBMR_VPN) | SPR_ITLBMR_V);
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mtspr (SPR_ITLBTR_BASE(way) + set, (ea & SPR_ITLBTR_PPN) | ITLB_PR_NOLIMIT);
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mtspr (SPR_ITLBTR_BASE(way) + set, (ea & SPR_ITLBTR_PPN) | ITLB_PR_NOLIMIT);
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return;
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return;
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}
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}
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/* Update ITLB miss counter and EA */
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/* Update ITLB miss counter and EA */
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itlb_miss_count++;
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itlb_miss_count++;
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itlb_miss_ea = ea;
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itlb_miss_ea = ea;
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/* Whatever access is in progress, translated address have to point to physical RAM */
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/* Whatever access is in progress, translated address have to point to physical RAM */
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ta = (ea & ((RAM_SIZE/2) - 1)) + DATA_END_ADD;
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ta = (ea & ((RAM_SIZE/2) - 1)) + DATA_END_ADD;
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tlbtr = (ta & SPR_ITLBTR_PPN) | (itlb_val & TLB_PR_MASK);
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tlbtr = (ta & SPR_ITLBTR_PPN) | (itlb_val & TLB_PR_MASK);
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debug("ta = %.8lx\n", ta);
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debug("ta = %.8lx\n", ta);
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/* Set ITLB entry */
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/* Set ITLB entry */
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mtspr (SPR_ITLBMR_BASE(way) + set, (ea & SPR_ITLBMR_VPN) | SPR_ITLBMR_V);
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mtspr (SPR_ITLBMR_BASE(way) + set, (ea & SPR_ITLBMR_VPN) | SPR_ITLBMR_V);
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mtspr (SPR_ITLBTR_BASE(way) + set, tlbtr);
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mtspr (SPR_ITLBTR_BASE(way) + set, tlbtr);
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}
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}
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/* Intstruction page fault exception handler */
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/* Intstruction page fault exception handler */
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void ipage_fault_handler (void)
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void ipage_fault_handler (void)
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{
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{
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unsigned long ea;
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unsigned long ea;
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int set, way = 0;
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int set, way = 0;
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int i;
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int i;
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/* Get EA that cause the exception */
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/* Get EA that cause the exception */
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ea = mfspr (SPR_EEAR_BASE);
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ea = mfspr (SPR_EEAR_BASE);
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/* Find TLB set and way */
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/* Find TLB set and way */
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set = (ea / PAGE_SIZE) % ITLB_SETS;
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set = (ea / PAGE_SIZE) % ITLB_SETS;
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
if ((mfspr (SPR_ITLBMR_BASE(i) + set) & SPR_ITLBMR_VPN) == (ea & SPR_ITLBMR_VPN)) {
|
if ((mfspr (SPR_ITLBMR_BASE(i) + set) & SPR_ITLBMR_VPN) == (ea & SPR_ITLBMR_VPN)) {
|
way = i;
|
way = i;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
|
debug("ea = %.8lx set = %d way = %d\n", ea, set, way);
|
|
|
if ((FLASH_START <= ea) && (ea < TEXT_END_ADD)) {
|
if ((FLASH_START <= ea) && (ea < TEXT_END_ADD)) {
|
/* If this is acces to data of this program set one to one translation */
|
/* If this is acces to data of this program set one to one translation */
|
mtspr (SPR_DTLBTR_BASE(way) + set, (ea & SPR_DTLBTR_PPN) | ITLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(way) + set, (ea & SPR_DTLBTR_PPN) | ITLB_PR_NOLIMIT);
|
return;
|
return;
|
}
|
}
|
|
|
/* Update instruction page fault counter and EA */
|
/* Update instruction page fault counter and EA */
|
ipage_fault_count++;
|
ipage_fault_count++;
|
ipage_fault_ea = ea;
|
ipage_fault_ea = ea;
|
|
|
/* Give permission */
|
/* Give permission */
|
mtspr (SPR_ITLBTR_BASE(way) + set, (mfspr (SPR_ITLBTR_BASE(way) + set) & ~ITLB_PR_NOLIMIT) | itlb_val);
|
mtspr (SPR_ITLBTR_BASE(way) + set, (mfspr (SPR_ITLBTR_BASE(way) + set) & ~ITLB_PR_NOLIMIT) | itlb_val);
|
}
|
}
|
|
|
/* Invalidate all entries in DTLB and enable DMMU */
|
/* Invalidate all entries in DTLB and enable DMMU */
|
void dmmu_enable (void)
|
void dmmu_enable (void)
|
{
|
{
|
/* Register DTLB miss handler */
|
/* Register DTLB miss handler */
|
excpt_dtlbmiss = (unsigned long)dtlb_miss_handler;
|
excpt_dtlbmiss = (unsigned long)dtlb_miss_handler;
|
|
|
/* Register data page fault handler */
|
/* Register data page fault handler */
|
excpt_dpfault = (unsigned long)dpage_fault_handler;
|
excpt_dpfault = (unsigned long)dpage_fault_handler;
|
|
|
/* Enable DMMU */
|
/* Enable DMMU */
|
lo_dmmu_en ();
|
lo_dmmu_en ();
|
}
|
}
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
void dmmu_disable (void)
|
void dmmu_disable (void)
|
{
|
{
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_DME);
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_DME);
|
}
|
}
|
|
|
/* Invalidate all entries in ITLB and enable IMMU */
|
/* Invalidate all entries in ITLB and enable IMMU */
|
void immu_enable (void)
|
void immu_enable (void)
|
{
|
{
|
/* Register ITLB miss handler */
|
/* Register ITLB miss handler */
|
excpt_itlbmiss = (unsigned long)itlb_miss_handler;
|
excpt_itlbmiss = (unsigned long)itlb_miss_handler;
|
|
|
/* Register instruction page fault handler */
|
/* Register instruction page fault handler */
|
excpt_ipfault = (unsigned long)ipage_fault_handler;
|
excpt_ipfault = (unsigned long)ipage_fault_handler;
|
|
|
/* Enable IMMU */
|
/* Enable IMMU */
|
lo_immu_en ();
|
lo_immu_en ();
|
}
|
}
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
void immu_disable (void)
|
void immu_disable (void)
|
{
|
{
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_IME);
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_IME);
|
}
|
}
|
|
|
void write_pattern(unsigned long start, unsigned long end)
|
void write_pattern(unsigned long start, unsigned long end)
|
{
|
{
|
unsigned long add;
|
unsigned long add;
|
|
|
add = start;
|
add = start;
|
while (add < end) {
|
while (add < end) {
|
REG32(add) = add;
|
REG32(add) = add;
|
add += PAGE_SIZE;
|
add += PAGE_SIZE;
|
}
|
}
|
|
|
}
|
}
|
|
|
/* Translation address register test
|
/* Translation address register test
|
Set various translation and check the pattern */
|
Set various translation and check the pattern */
|
int dtlb_translation_test (void)
|
int dtlb_translation_test (void)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta;
|
unsigned long ea, ta;
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
/* Invalidate all entries in DTLB */
|
/* Invalidate all entries in DTLB */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
ea = RAM_START + (i*PAGE_SIZE);
|
ea = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Set dtlb permisions */
|
/* Set dtlb permisions */
|
dtlb_val = DTLB_PR_NOLIMIT;
|
dtlb_val = DTLB_PR_NOLIMIT;
|
|
|
/* Write test pattern */
|
/* Write test pattern */
|
for (i = 0; i < DTLB_SETS; i++) {
|
for (i = 0; i < DTLB_SETS; i++) {
|
REG32(RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE)) = i;
|
REG32(RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE)) = i;
|
REG32(RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4) = 0xffffffff - i;
|
REG32(RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4) = 0xffffffff - i;
|
}
|
}
|
|
|
/* Set one to one translation of the last way of DTLB */
|
/* Set one to one translation of the last way of DTLB */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + i, ta | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + i, ta | DTLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Enable DMMU */
|
/* Enable DMMU */
|
dmmu_enable();
|
dmmu_enable();
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ASSERT(REG32(ea) == i);
|
ASSERT(REG32(ea) == i);
|
ea = RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4;
|
ea = RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4;
|
ASSERT(REG32(ea) == (0xffffffff - i));
|
ASSERT(REG32(ea) == (0xffffffff - i));
|
}
|
}
|
|
|
/* Write new pattern */
|
/* Write new pattern */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
REG32(RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE)) = 0xffffffff - i;
|
REG32(RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE)) = 0xffffffff - i;
|
REG32(RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4) = i;
|
REG32(RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4) = i;
|
}
|
}
|
|
|
/* Set 0 -> RAM_START + (RAM_SIZE/2) translation */
|
/* Set 0 -> RAM_START + (RAM_SIZE/2) translation */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
ea = i*PAGE_SIZE;
|
ea = i*PAGE_SIZE;
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + i, ta | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + i, ta | DTLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
ea = i*PAGE_SIZE;
|
ea = i*PAGE_SIZE;
|
ASSERT(REG32(ea) == (0xffffffff - i));
|
ASSERT(REG32(ea) == (0xffffffff - i));
|
ea = ((i + 1)*PAGE_SIZE) - 4;
|
ea = ((i + 1)*PAGE_SIZE) - 4;
|
ASSERT(REG32(ea) == i);
|
ASSERT(REG32(ea) == i);
|
}
|
}
|
|
|
/* Write new pattern */
|
/* Write new pattern */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
REG32(i*PAGE_SIZE) = i;
|
REG32(i*PAGE_SIZE) = i;
|
REG32(((i + 1)*PAGE_SIZE) - 4) = 0xffffffff - i;
|
REG32(((i + 1)*PAGE_SIZE) - 4) = 0xffffffff - i;
|
}
|
}
|
|
|
/* Set hi -> lo, lo -> hi translation */
|
/* Set hi -> lo, lo -> hi translation */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + ((DTLB_SETS - i - 1 + TLB_DATA_SET_NB)*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + ((DTLB_SETS - i - 1 + TLB_DATA_SET_NB)*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + i, ta | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + i, ta | DTLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ASSERT(REG32(ea) == (DTLB_SETS - i - 1 + TLB_DATA_SET_NB));
|
ASSERT(REG32(ea) == (DTLB_SETS - i - 1 + TLB_DATA_SET_NB));
|
ea = RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4;
|
ea = RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4;
|
ASSERT(REG32(ea) == (0xffffffff - DTLB_SETS + i + 1 - TLB_DATA_SET_NB));
|
ASSERT(REG32(ea) == (0xffffffff - DTLB_SETS + i + 1 - TLB_DATA_SET_NB));
|
}
|
}
|
|
|
/* Write new pattern */
|
/* Write new pattern */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
REG32(RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE)) = 0xffffffff - i;
|
REG32(RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE)) = 0xffffffff - i;
|
REG32(RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4) = i;
|
REG32(RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4) = i;
|
}
|
}
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
for (i = TLB_DATA_SET_NB; i < DTLB_SETS; i++) {
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ASSERT(REG32(ea) == (0xffffffff - DTLB_SETS + i + 1 - TLB_DATA_SET_NB));
|
ASSERT(REG32(ea) == (0xffffffff - DTLB_SETS + i + 1 - TLB_DATA_SET_NB));
|
ea = RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4;
|
ea = RAM_START + (RAM_SIZE/2) + ((i + 1)*PAGE_SIZE) - 4;
|
ASSERT(REG32(ea) == (DTLB_SETS - i - 1 + TLB_DATA_SET_NB));
|
ASSERT(REG32(ea) == (DTLB_SETS - i - 1 + TLB_DATA_SET_NB));
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* EA match register test
|
/* EA match register test
|
Shifting one in DTLBMR and performing accesses to boundaries
|
Shifting one in DTLBMR and performing accesses to boundaries
|
of the page, checking the triggering of exceptions */
|
of the page, checking the triggering of exceptions */
|
int dtlb_match_test (int way, int set)
|
int dtlb_match_test (int way, int set)
|
{
|
{
|
int i, j, tmp;
|
int i, j, tmp;
|
unsigned long add, t_add;
|
unsigned long add, t_add;
|
unsigned long ea, ta;
|
unsigned long ea, ta;
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
/* Invalidate all entries in DTLB */
|
/* Invalidate all entries in DTLB */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
ea = RAM_START + (i*PAGE_SIZE);
|
ea = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Set dtlb permisions */
|
/* Set dtlb permisions */
|
dtlb_val = DTLB_PR_NOLIMIT;
|
dtlb_val = DTLB_PR_NOLIMIT;
|
|
|
/* Set pattern */
|
/* Set pattern */
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) - 4) = 0x00112233;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) - 4) = 0x00112233;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE)) = 0x44556677;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE)) = 0x44556677;
|
REG32(RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE - 4) = 0x8899aabb;
|
REG32(RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE - 4) = 0x8899aabb;
|
REG32(RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE) = 0xccddeeff;
|
REG32(RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE) = 0xccddeeff;
|
|
|
/* Enable DMMU */
|
/* Enable DMMU */
|
dmmu_enable();
|
dmmu_enable();
|
|
|
/* Shifting one in DTLBMR */
|
/* Shifting one in DTLBMR */
|
i = 0;
|
i = 0;
|
add = (PAGE_SIZE*DTLB_SETS);
|
add = (PAGE_SIZE*DTLB_SETS);
|
t_add = add + (set*PAGE_SIZE);
|
t_add = add + (set*PAGE_SIZE);
|
while (add != 0x00000000) {
|
while (add != 0x00000000) {
|
mtspr (SPR_DTLBMR_BASE(way) + set, t_add | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(way) + set, t_add | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(way) + set, (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE)) | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(way) + set, (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE)) | DTLB_PR_NOLIMIT);
|
|
|
/* Reset DTLB miss counter and EA */
|
/* Reset DTLB miss counter and EA */
|
dtlb_miss_count = 0;
|
dtlb_miss_count = 0;
|
dtlb_miss_ea = 0;
|
dtlb_miss_ea = 0;
|
|
|
if (((t_add < RAM_START) || (t_add >= DATA_END_ADD)) && ((t_add < FLASH_START) || (t_add >= TEXT_END_ADD))) {
|
if (((t_add < RAM_START) || (t_add >= DATA_END_ADD)) && ((t_add < FLASH_START) || (t_add >= TEXT_END_ADD))) {
|
|
|
/* Read last address of previous page */
|
/* Read last address of previous page */
|
tmp = REG32(t_add - 4);
|
tmp = REG32(t_add - 4);
|
ASSERT(tmp == 0x00112233);
|
ASSERT(tmp == 0x00112233);
|
ASSERT(dtlb_miss_count == 1);
|
ASSERT(dtlb_miss_count == 1);
|
|
|
/* Read first address of the page */
|
/* Read first address of the page */
|
tmp = REG32(t_add);
|
tmp = REG32(t_add);
|
ASSERT(tmp == 0x44556677);
|
ASSERT(tmp == 0x44556677);
|
ASSERT(dtlb_miss_count == 1);
|
ASSERT(dtlb_miss_count == 1);
|
|
|
/* Read last address of the page */
|
/* Read last address of the page */
|
tmp = REG32(t_add + PAGE_SIZE - 4);
|
tmp = REG32(t_add + PAGE_SIZE - 4);
|
ASSERT(tmp == 0x8899aabb);
|
ASSERT(tmp == 0x8899aabb);
|
ASSERT(dtlb_miss_count == 1);
|
ASSERT(dtlb_miss_count == 1);
|
|
|
/* Read first address of next page */
|
/* Read first address of next page */
|
tmp = REG32(t_add + PAGE_SIZE);
|
tmp = REG32(t_add + PAGE_SIZE);
|
ASSERT(tmp == 0xccddeeff);
|
ASSERT(tmp == 0xccddeeff);
|
ASSERT(dtlb_miss_count == 2);
|
ASSERT(dtlb_miss_count == 2);
|
}
|
}
|
|
|
i++;
|
i++;
|
add = (PAGE_SIZE*DTLB_SETS) << i;
|
add = (PAGE_SIZE*DTLB_SETS) << i;
|
t_add = add + (set*PAGE_SIZE);
|
t_add = add + (set*PAGE_SIZE);
|
|
|
for (j = 0; j < DTLB_WAYS; j++) {
|
for (j = 0; j < DTLB_WAYS; j++) {
|
mtspr (SPR_DTLBMR_BASE(j) + ((set - 1) & (DTLB_SETS - 1)), 0);
|
mtspr (SPR_DTLBMR_BASE(j) + ((set - 1) & (DTLB_SETS - 1)), 0);
|
mtspr (SPR_DTLBMR_BASE(j) + ((set + 1) & (DTLB_SETS - 1)), 0);
|
mtspr (SPR_DTLBMR_BASE(j) + ((set + 1) & (DTLB_SETS - 1)), 0);
|
}
|
}
|
}
|
}
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Valid bit test
|
/* Valid bit test
|
Set all ways of one set to be invalid, perform
|
Set all ways of one set to be invalid, perform
|
access so miss handler will set them to valid,
|
access so miss handler will set them to valid,
|
try access again - there should be no miss exceptions */
|
try access again - there should be no miss exceptions */
|
int dtlb_valid_bit_test (int set)
|
int dtlb_valid_bit_test (int set)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta;
|
unsigned long ea, ta;
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
/* Invalidate all entries in DTLB */
|
/* Invalidate all entries in DTLB */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
ea = RAM_START + (i*PAGE_SIZE);
|
ea = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Reset DTLB miss counter and EA */
|
/* Reset DTLB miss counter and EA */
|
dtlb_miss_count = 0;
|
dtlb_miss_count = 0;
|
dtlb_miss_ea = 0;
|
dtlb_miss_ea = 0;
|
|
|
/* Set dtlb permisions */
|
/* Set dtlb permisions */
|
dtlb_val = DTLB_PR_NOLIMIT;
|
dtlb_val = DTLB_PR_NOLIMIT;
|
|
|
/* Resetv DTLBMR for every way */
|
/* Resetv DTLBMR for every way */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
mtspr (SPR_DTLBMR_BASE(i) + set, 0);
|
mtspr (SPR_DTLBMR_BASE(i) + set, 0);
|
}
|
}
|
|
|
/* Enable DMMU */
|
/* Enable DMMU */
|
dmmu_enable();
|
dmmu_enable();
|
|
|
/* Perform writes to address, that is not in DTLB */
|
/* Perform writes to address, that is not in DTLB */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
REG32(RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)) = i;
|
REG32(RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)) = i;
|
|
|
/* Check if there was DTLB miss */
|
/* Check if there was DTLB miss */
|
ASSERT(dtlb_miss_count == (i + 1));
|
ASSERT(dtlb_miss_count == (i + 1));
|
ASSERT(dtlb_miss_ea == (RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
ASSERT(dtlb_miss_ea == (RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
}
|
}
|
|
|
/* Reset DTLB miss counter and EA */
|
/* Reset DTLB miss counter and EA */
|
dtlb_miss_count = 0;
|
dtlb_miss_count = 0;
|
dtlb_miss_ea = 0;
|
dtlb_miss_ea = 0;
|
|
|
/* Perform reads to address, that is now in DTLB */
|
/* Perform reads to address, that is now in DTLB */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
ASSERT(REG32(RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)) == i);
|
ASSERT(REG32(RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)) == i);
|
|
|
/* Check if there was DTLB miss */
|
/* Check if there was DTLB miss */
|
ASSERT(dtlb_miss_count == 0);
|
ASSERT(dtlb_miss_count == 0);
|
}
|
}
|
|
|
/* Reset valid bits */
|
/* Reset valid bits */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
mtspr (SPR_DTLBMR_BASE(i) + set, mfspr (SPR_DTLBMR_BASE(i) + set) & ~SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(i) + set, mfspr (SPR_DTLBMR_BASE(i) + set) & ~SPR_DTLBMR_V);
|
}
|
}
|
|
|
/* Perform reads to address, that is now in DTLB but is invalid */
|
/* Perform reads to address, that is now in DTLB but is invalid */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
ASSERT(REG32(RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)) == i);
|
ASSERT(REG32(RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)) == i);
|
|
|
/* Check if there was DTLB miss */
|
/* Check if there was DTLB miss */
|
ASSERT(dtlb_miss_count == (i + 1));
|
ASSERT(dtlb_miss_count == (i + 1));
|
ASSERT(dtlb_miss_ea == (RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
ASSERT(dtlb_miss_ea == (RAM_START + RAM_SIZE + (i*DTLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
}
|
}
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Permission test
|
/* Permission test
|
Set various permissions, perform r/w access
|
Set various permissions, perform r/w access
|
in user and supervisor mode and chack triggering
|
in user and supervisor mode and chack triggering
|
of page fault exceptions */
|
of page fault exceptions */
|
int dtlb_premission_test (int set)
|
int dtlb_premission_test (int set)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta, tmp;
|
unsigned long ea, ta, tmp;
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
/* Invalidate all entries in DTLB */
|
/* Invalidate all entries in DTLB */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
ea = RAM_START + (i*PAGE_SIZE);
|
ea = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Testing page */
|
/* Testing page */
|
ea = RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE);
|
|
|
/* Set match register */
|
/* Set match register */
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + set, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(DTLB_WAYS - 1) + set, ea | SPR_DTLBMR_V);
|
|
|
/* Reset page fault counter and EA */
|
/* Reset page fault counter and EA */
|
dpage_fault_count = 0;
|
dpage_fault_count = 0;
|
dpage_fault_ea = 0;
|
dpage_fault_ea = 0;
|
|
|
/* Enable DMMU */
|
/* Enable DMMU */
|
dmmu_enable();
|
dmmu_enable();
|
|
|
/* Write supervisor */
|
/* Write supervisor */
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_SWE;
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_SWE;
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_SWE));
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_SWE));
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0) = 0x00112233;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0) = 0x00112233;
|
ASSERT(dpage_fault_count == 1);
|
ASSERT(dpage_fault_count == 1);
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4) = 0x44556677;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4) = 0x44556677;
|
ASSERT(dpage_fault_count == 1);
|
ASSERT(dpage_fault_count == 1);
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8) = 0x8899aabb;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8) = 0x8899aabb;
|
ASSERT(dpage_fault_count == 1);
|
ASSERT(dpage_fault_count == 1);
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12) = 0xccddeeff;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12) = 0xccddeeff;
|
ASSERT(dpage_fault_count == 1);
|
ASSERT(dpage_fault_count == 1);
|
|
|
/* Read supervisor */
|
/* Read supervisor */
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_SRE;
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_SRE;
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_SRE));
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_SRE));
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(tmp == 0x00112233);
|
ASSERT(tmp == 0x00112233);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(tmp == 0x44556677);
|
ASSERT(tmp == 0x44556677);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(tmp == 0x8899aabb);
|
ASSERT(tmp == 0x8899aabb);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(dpage_fault_count == 2);
|
ASSERT(tmp == 0xccddeeff);
|
ASSERT(tmp == 0xccddeeff);
|
|
|
/* Write user */
|
/* Write user */
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_UWE;
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_UWE;
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_UWE));
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_UWE));
|
|
|
/* Set user mode */
|
/* Set user mode */
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_SM);
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_SM);
|
|
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0) = 0xffeeddcc;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0) = 0xffeeddcc;
|
ASSERT(dpage_fault_count == 3);
|
ASSERT(dpage_fault_count == 3);
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4) = 0xbbaa9988;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4) = 0xbbaa9988;
|
ASSERT(dpage_fault_count == 3);
|
ASSERT(dpage_fault_count == 3);
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8) = 0x77665544;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8) = 0x77665544;
|
ASSERT(dpage_fault_count == 3);
|
ASSERT(dpage_fault_count == 3);
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12) = 0x33221100;
|
REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12) = 0x33221100;
|
ASSERT(dpage_fault_count == 3);
|
ASSERT(dpage_fault_count == 3);
|
|
|
/* Trigger sys call exception to enable supervisor mode again */
|
/* Trigger sys call exception to enable supervisor mode again */
|
sys_call ();
|
sys_call ();
|
|
|
/* Read user mode */
|
/* Read user mode */
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_URE;
|
dtlb_val = DTLB_PR_NOLIMIT | SPR_DTLBTR_URE;
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_URE));
|
mtspr (SPR_DTLBTR_BASE(DTLB_WAYS - 1) + set, ea | (DTLB_PR_NOLIMIT & ~SPR_DTLBTR_URE));
|
|
|
/* Set user mode */
|
/* Set user mode */
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_SM);
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_SM);
|
|
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 0);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(tmp == 0xffeeddcc);
|
ASSERT(tmp == 0xffeeddcc);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 4);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(tmp == 0xbbaa9988);
|
ASSERT(tmp == 0xbbaa9988);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 8);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(tmp == 0x77665544);
|
ASSERT(tmp == 0x77665544);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12);
|
tmp = REG32(RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) + 12);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(dpage_fault_count == 4);
|
ASSERT(tmp == 0x33221100);
|
ASSERT(tmp == 0x33221100);
|
|
|
/* Trigger sys call exception to enable supervisor mode again */
|
/* Trigger sys call exception to enable supervisor mode again */
|
sys_call ();
|
sys_call ();
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Data cache inhibit bit test
|
/* Data cache inhibit bit test
|
Set and clear CI bit and check the pattern. */
|
Set and clear CI bit and check the pattern. */
|
int dtlb_ci_test (void)
|
int dtlb_ci_test (void)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta, ret;
|
unsigned long ea, ta, ret;
|
|
|
/* Disable DMMU */
|
/* Disable DMMU */
|
dmmu_disable();
|
dmmu_disable();
|
|
|
/* Invalidate all entries in DTLB */
|
/* Invalidate all entries in DTLB */
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (i = 0; i < DTLB_WAYS; i++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
for (j = 0; j < DTLB_SETS; j++) {
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBMR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
mtspr (SPR_DTLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
for (i = 0; i < TLB_DATA_SET_NB; i++) {
|
ea = RAM_START + (i*PAGE_SIZE);
|
ea = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
ta = RAM_START + (i*PAGE_SIZE);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(0) + i, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT | SPR_DTLBTR_CI);
|
mtspr (SPR_DTLBTR_BASE(0) + i, ta | DTLB_PR_NOLIMIT | SPR_DTLBTR_CI);
|
}
|
}
|
|
|
/* Testing page */
|
/* Testing page */
|
ea = RAM_START + (RAM_SIZE/2) + (TLB_DATA_SET_NB*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (TLB_DATA_SET_NB*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (TLB_DATA_SET_NB*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (TLB_DATA_SET_NB*PAGE_SIZE);
|
|
|
/* Write test pattern */
|
/* Write test pattern */
|
REG32(ea) = 0x01234567;
|
REG32(ea) = 0x01234567;
|
REG32(ea + PAGE_SIZE - 4) = 0x9abcdef;
|
REG32(ea + PAGE_SIZE - 4) = 0x9abcdef;
|
|
|
/* Set one to one translation with CI bit for testing area */
|
/* Set one to one translation with CI bit for testing area */
|
mtspr (SPR_DTLBMR_BASE(0) + TLB_DATA_SET_NB, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBMR_BASE(0) + TLB_DATA_SET_NB, ea | SPR_DTLBMR_V);
|
mtspr (SPR_DTLBTR_BASE(0) + TLB_DATA_SET_NB, ta | DTLB_PR_NOLIMIT | SPR_DTLBTR_CI);
|
mtspr (SPR_DTLBTR_BASE(0) + TLB_DATA_SET_NB, ta | DTLB_PR_NOLIMIT | SPR_DTLBTR_CI);
|
|
|
ret = lo_dtlb_ci_test(ea, TLB_DATA_SET_NB);
|
ret = lo_dtlb_ci_test(ea, TLB_DATA_SET_NB);
|
ASSERT(ret == 0);
|
ASSERT(ret == 0);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Translation address register test
|
/* Translation address register test
|
Set various translation and check the pattern */
|
Set various translation and check the pattern */
|
int itlb_translation_test (void)
|
int itlb_translation_test (void)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta;
|
unsigned long ea, ta;
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable();
|
immu_disable();
|
|
|
/* Invalidate all entries in ITLB */
|
/* Invalidate all entries in ITLB */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Set itlb permisions */
|
/* Set itlb permisions */
|
itlb_val = ITLB_PR_NOLIMIT;
|
itlb_val = ITLB_PR_NOLIMIT;
|
|
|
/* Write test program */
|
/* Write test program */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
copy_jump (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + (i*0x10));
|
copy_jump (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + (i*0x10));
|
}
|
}
|
|
|
/* Set one to one translation of the last way of ITLB */
|
/* Set one to one translation of the last way of ITLB */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Enable IMMU */
|
/* Enable IMMU */
|
immu_enable();
|
immu_enable();
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
call (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + (i*0x10));
|
call (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + (i*0x10));
|
}
|
}
|
|
|
/* Set FLASH_END -> RAM_START + (RAM_SIZE/2) translation */
|
/* Set FLASH_END -> RAM_START + (RAM_SIZE/2) translation */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
ea = FLASH_START + FLASH_SIZE + i*PAGE_SIZE;
|
ea = FLASH_START + FLASH_SIZE + i*PAGE_SIZE;
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
call (FLASH_START + FLASH_SIZE + (i*PAGE_SIZE) + (i*0x10));
|
call (FLASH_START + FLASH_SIZE + (i*PAGE_SIZE) + (i*0x10));
|
}
|
}
|
|
|
/* Set hi -> lo, lo -> hi translation */
|
/* Set hi -> lo, lo -> hi translation */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + ((ITLB_SETS - i - 1 + TLB_TEXT_SET_NB)*PAGE_SIZE);
|
ta = RAM_START + (RAM_SIZE/2) + ((ITLB_SETS - i - 1 + TLB_TEXT_SET_NB)*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
call (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + ((ITLB_SETS - i - 1 + TLB_TEXT_SET_NB)*0x10));
|
call (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + ((ITLB_SETS - i - 1 + TLB_TEXT_SET_NB)*0x10));
|
}
|
}
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable ();
|
immu_disable ();
|
|
|
/* Check the pattern */
|
/* Check the pattern */
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
for (i = TLB_TEXT_SET_NB; i < ITLB_SETS; i++) {
|
call (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + (i*0x10));
|
call (RAM_START + (RAM_SIZE/2) + (i*PAGE_SIZE) + (i*0x10));
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* EA match register test
|
/* EA match register test
|
Shifting one in ITLBMR and performing accesses to boundaries
|
Shifting one in ITLBMR and performing accesses to boundaries
|
of the page, checking the triggering of exceptions */
|
of the page, checking the triggering of exceptions */
|
int itlb_match_test (int way, int set)
|
int itlb_match_test (int way, int set)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long add, t_add;
|
unsigned long add, t_add;
|
unsigned long ea, ta;
|
unsigned long ea, ta;
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable();
|
immu_disable();
|
|
|
/* Invalidate all entries in ITLB */
|
/* Invalidate all entries in ITLB */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Set dtlb permisions */
|
/* Set dtlb permisions */
|
itlb_val = ITLB_PR_NOLIMIT;
|
itlb_val = ITLB_PR_NOLIMIT;
|
|
|
/* Set pattern */
|
/* Set pattern */
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) - 8);
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE) - 8);
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE));
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE));
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE - 8);
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE - 8);
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE);
|
copy_jump (RAM_START + (RAM_SIZE/2) + (set + 1)*PAGE_SIZE);
|
|
|
/* Enable IMMU */
|
/* Enable IMMU */
|
immu_enable();
|
immu_enable();
|
|
|
/* Shifting one in ITLBMR */
|
/* Shifting one in ITLBMR */
|
i = 0;
|
i = 0;
|
add = (PAGE_SIZE*ITLB_SETS);
|
add = (PAGE_SIZE*ITLB_SETS);
|
t_add = add + (set*PAGE_SIZE);
|
t_add = add + (set*PAGE_SIZE);
|
while (add != 0x00000000) {
|
while (add != 0x00000000) {
|
mtspr (SPR_ITLBMR_BASE(way) + set, t_add | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(way) + set, t_add | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(way) + set, (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE)) | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(way) + set, (RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE)) | ITLB_PR_NOLIMIT);
|
|
|
/* Reset ITLB miss counter and EA */
|
/* Reset ITLB miss counter and EA */
|
itlb_miss_count = 0;
|
itlb_miss_count = 0;
|
itlb_miss_ea = 0;
|
itlb_miss_ea = 0;
|
|
|
if (((t_add < RAM_START) || (t_add >= DATA_END_ADD)) && ((t_add < FLASH_START) || (t_add >= TEXT_END_ADD))) {
|
if (((t_add < RAM_START) || (t_add >= DATA_END_ADD)) && ((t_add < FLASH_START) || (t_add >= TEXT_END_ADD))) {
|
|
|
/* Jump on last address of previous page */
|
/* Jump on last address of previous page */
|
call (t_add - 8);
|
call (t_add - 8);
|
ASSERT(itlb_miss_count == 1);
|
ASSERT(itlb_miss_count == 1);
|
|
|
/* Jump on first address of the page */
|
/* Jump on first address of the page */
|
call (t_add);
|
call (t_add);
|
ASSERT(itlb_miss_count == 1);
|
ASSERT(itlb_miss_count == 1);
|
|
|
/* Jump on last address of the page */
|
/* Jump on last address of the page */
|
call (t_add + PAGE_SIZE - 8);
|
call (t_add + PAGE_SIZE - 8);
|
ASSERT(itlb_miss_count == 1);
|
ASSERT(itlb_miss_count == 1);
|
|
|
/* Jump on first address of next page */
|
/* Jump on first address of next page */
|
call (t_add + PAGE_SIZE);
|
call (t_add + PAGE_SIZE);
|
ASSERT(itlb_miss_count == 2);
|
ASSERT(itlb_miss_count == 2);
|
}
|
}
|
|
|
i++;
|
i++;
|
add = (PAGE_SIZE*ITLB_SETS) << i;
|
add = (PAGE_SIZE*ITLB_SETS) << i;
|
t_add = add + (set*PAGE_SIZE);
|
t_add = add + (set*PAGE_SIZE);
|
|
|
for (j = 0; j < ITLB_WAYS; j++) {
|
for (j = 0; j < ITLB_WAYS; j++) {
|
mtspr (SPR_ITLBMR_BASE(j) + ((set - 1) & (ITLB_SETS - 1)), 0);
|
mtspr (SPR_ITLBMR_BASE(j) + ((set - 1) & (ITLB_SETS - 1)), 0);
|
mtspr (SPR_ITLBMR_BASE(j) + ((set + 1) & (ITLB_SETS - 1)), 0);
|
mtspr (SPR_ITLBMR_BASE(j) + ((set + 1) & (ITLB_SETS - 1)), 0);
|
}
|
}
|
}
|
}
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable();
|
immu_disable();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Valid bit test
|
/* Valid bit test
|
Set all ways of one set to be invalid, perform
|
Set all ways of one set to be invalid, perform
|
access so miss handler will set them to valid,
|
access so miss handler will set them to valid,
|
try access again - there should be no miss exceptions */
|
try access again - there should be no miss exceptions */
|
int itlb_valid_bit_test (int set)
|
int itlb_valid_bit_test (int set)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta;
|
unsigned long ea, ta;
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable();
|
immu_disable();
|
|
|
/* Invalidate all entries in ITLB */
|
/* Invalidate all entries in ITLB */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Reset ITLB miss counter and EA */
|
/* Reset ITLB miss counter and EA */
|
itlb_miss_count = 0;
|
itlb_miss_count = 0;
|
itlb_miss_ea = 0;
|
itlb_miss_ea = 0;
|
|
|
/* Set itlb permisions */
|
/* Set itlb permisions */
|
itlb_val = ITLB_PR_NOLIMIT;
|
itlb_val = ITLB_PR_NOLIMIT;
|
|
|
/* Resetv ITLBMR for every way */
|
/* Resetv ITLBMR for every way */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
mtspr (SPR_ITLBMR_BASE(i) + set, 0);
|
mtspr (SPR_ITLBMR_BASE(i) + set, 0);
|
}
|
}
|
|
|
/* Enable IMMU */
|
/* Enable IMMU */
|
immu_enable();
|
immu_enable();
|
|
|
/* Perform jumps to address, that is not in ITLB */
|
/* Perform jumps to address, that is not in ITLB */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
TEST_JUMP(RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE));
|
TEST_JUMP(RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE));
|
|
|
/* Check if there was ITLB miss */
|
/* Check if there was ITLB miss */
|
ASSERT(itlb_miss_count == (i + 1));
|
ASSERT(itlb_miss_count == (i + 1));
|
ASSERT(itlb_miss_ea == (RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
ASSERT(itlb_miss_ea == (RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
}
|
}
|
|
|
/* Reset ITLB miss counter and EA */
|
/* Reset ITLB miss counter and EA */
|
itlb_miss_count = 0;
|
itlb_miss_count = 0;
|
itlb_miss_ea = 0;
|
itlb_miss_ea = 0;
|
|
|
/* Perform jumps to address, that is now in ITLB */
|
/* Perform jumps to address, that is now in ITLB */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
TEST_JUMP(RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE));
|
TEST_JUMP(RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE));
|
|
|
/* Check if there was ITLB miss */
|
/* Check if there was ITLB miss */
|
ASSERT(itlb_miss_count == 0);
|
ASSERT(itlb_miss_count == 0);
|
}
|
}
|
|
|
/* Reset valid bits */
|
/* Reset valid bits */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
mtspr (SPR_ITLBMR_BASE(i) + set, mfspr (SPR_ITLBMR_BASE(i) + set) & ~SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(i) + set, mfspr (SPR_ITLBMR_BASE(i) + set) & ~SPR_ITLBMR_V);
|
}
|
}
|
|
|
/* Perform jumps to address, that is now in ITLB but is invalid */
|
/* Perform jumps to address, that is now in ITLB but is invalid */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
TEST_JUMP(RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE));
|
TEST_JUMP(RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE));
|
|
|
/* Check if there was ITLB miss */
|
/* Check if there was ITLB miss */
|
ASSERT(itlb_miss_count == (i + 1));
|
ASSERT(itlb_miss_count == (i + 1));
|
ASSERT(itlb_miss_ea == (RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
ASSERT(itlb_miss_ea == (RAM_START + RAM_SIZE + (i*ITLB_SETS*PAGE_SIZE) + (set*PAGE_SIZE)));
|
}
|
}
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable ();
|
immu_disable ();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Permission test
|
/* Permission test
|
Set various permissions, perform r/w access
|
Set various permissions, perform r/w access
|
in user and supervisor mode and check triggering
|
in user and supervisor mode and check triggering
|
of page fault exceptions */
|
of page fault exceptions */
|
int itlb_premission_test (int set)
|
int itlb_premission_test (int set)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta;
|
unsigned long ea, ta;
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable();
|
immu_disable();
|
|
|
/* Invalidate all entries in ITLB */
|
/* Invalidate all entries in ITLB */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Testing page */
|
/* Testing page */
|
ea = RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (set*PAGE_SIZE);
|
|
|
/* Set match register */
|
/* Set match register */
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + set, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(ITLB_WAYS - 1) + set, ea | SPR_ITLBMR_V);
|
|
|
/* Reset page fault counter and EA */
|
/* Reset page fault counter and EA */
|
ipage_fault_count = 0;
|
ipage_fault_count = 0;
|
ipage_fault_ea = 0;
|
ipage_fault_ea = 0;
|
|
|
/* Copy the code */
|
/* Copy the code */
|
copy_jump (ea);
|
copy_jump (ea);
|
copy_jump (ea + 8);
|
copy_jump (ea + 8);
|
|
|
/* Enable IMMU */
|
/* Enable IMMU */
|
immu_enable ();
|
immu_enable ();
|
|
|
/* Execute supervisor */
|
/* Execute supervisor */
|
itlb_val = SPR_ITLBTR_CI | SPR_ITLBTR_SXE;
|
itlb_val = SPR_ITLBTR_CI | SPR_ITLBTR_SXE;
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + set, ea | (ITLB_PR_NOLIMIT & ~SPR_ITLBTR_SXE));
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + set, ea | (ITLB_PR_NOLIMIT & ~SPR_ITLBTR_SXE));
|
|
|
call (ea);
|
call (ea);
|
ASSERT(ipage_fault_count == 1);
|
ASSERT(ipage_fault_count == 1);
|
call (ea + 8);
|
call (ea + 8);
|
ASSERT(ipage_fault_count == 1);
|
ASSERT(ipage_fault_count == 1);
|
|
|
/* Execute user */
|
/* Execute user */
|
itlb_val = SPR_ITLBTR_CI | SPR_ITLBTR_UXE;
|
itlb_val = SPR_ITLBTR_CI | SPR_ITLBTR_UXE;
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + set, ea | (ITLB_PR_NOLIMIT & ~SPR_ITLBTR_UXE));
|
mtspr (SPR_ITLBTR_BASE(ITLB_WAYS - 1) + set, ea | (ITLB_PR_NOLIMIT & ~SPR_ITLBTR_UXE));
|
|
|
/* Set user mode */
|
/* Set user mode */
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_SM);
|
mtspr (SPR_SR, mfspr (SPR_SR) & ~SPR_SR_SM);
|
|
|
call (ea);
|
call (ea);
|
ASSERT(ipage_fault_count == 2);
|
ASSERT(ipage_fault_count == 2);
|
call (ea + 8);
|
call (ea + 8);
|
ASSERT(ipage_fault_count == 2);
|
ASSERT(ipage_fault_count == 2);
|
|
|
/* Trigger sys call exception to enable supervisor mode again */
|
/* Trigger sys call exception to enable supervisor mode again */
|
sys_call ();
|
sys_call ();
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable ();
|
immu_disable ();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Instruction cache inhibit bit test
|
/* Instruction cache inhibit bit test
|
Set and clear CI bit and check the pattern. */
|
Set and clear CI bit and check the pattern. */
|
int itlb_ci_test(void)
|
int itlb_ci_test(void)
|
{
|
{
|
int i, j;
|
int i, j;
|
unsigned long ea, ta, ret;
|
unsigned long ea, ta, ret;
|
|
|
/* Disable IMMU */
|
/* Disable IMMU */
|
immu_disable();
|
immu_disable();
|
|
|
/* Invalidate all entries in DTLB */
|
/* Invalidate all entries in DTLB */
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (i = 0; i < ITLB_WAYS; i++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
for (j = 0; j < ITLB_SETS; j++) {
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBMR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
mtspr (SPR_ITLBTR_BASE(i) + j, 0);
|
}
|
}
|
}
|
}
|
|
|
/* Set one to one translation for the use of this program */
|
/* Set one to one translation for the use of this program */
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
for (i = 0; i < TLB_TEXT_SET_NB; i++) {
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ea = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
ta = FLASH_START + (i*PAGE_SIZE);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBMR_BASE(0) + i, ea | SPR_ITLBMR_V);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
mtspr (SPR_ITLBTR_BASE(0) + i, ta | ITLB_PR_NOLIMIT);
|
}
|
}
|
|
|
/* Testing page */
|
/* Testing page */
|
ea = RAM_START + (RAM_SIZE/2) + (TLB_TEXT_SET_NB*PAGE_SIZE);
|
ea = RAM_START + (RAM_SIZE/2) + (TLB_TEXT_SET_NB*PAGE_SIZE);
|
|
|
ret = lo_itlb_ci_test (ea, TLB_TEXT_SET_NB);
|
ret = lo_itlb_ci_test (ea, TLB_TEXT_SET_NB);
|
ASSERT(ret == 0);
|
ASSERT(ret == 0);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int main (void)
|
int main (void)
|
{
|
{
|
int i, j;
|
int i, j;
|
|
|
i = j = 0; /* Get rid of warnings */
|
i = j = 0; /* Get rid of warnings */
|
|
|
/* Register bus error handler */
|
/* Register bus error handler */
|
excpt_buserr = (unsigned long)bus_err_handler;
|
excpt_buserr = (unsigned long)bus_err_handler;
|
|
|
/* Register illegal insn handler */
|
/* Register illegal insn handler */
|
excpt_illinsn = (unsigned long)ill_insn_handler;
|
excpt_illinsn = (unsigned long)ill_insn_handler;
|
|
|
/* Register illegal insn handler */
|
/* Register illegal insn handler */
|
excpt_syscall = (unsigned long)sys_call_handler;
|
excpt_syscall = (unsigned long)sys_call_handler;
|
|
|
#if 1
|
#if 1
|
/* Translation test */
|
/* Translation test */
|
dtlb_translation_test ();
|
dtlb_translation_test ();
|
|
|
/* Virtual address match test */
|
/* Virtual address match test */
|
#ifndef RTL_SIM
|
#ifndef RTL_SIM
|
for (j = 0; j < DTLB_WAYS; j++) {
|
for (j = 0; j < DTLB_WAYS; j++) {
|
for (i = TLB_DATA_SET_NB; i < (DTLB_SETS - 1); i++)
|
for (i = TLB_DATA_SET_NB; i < (DTLB_SETS - 1); i++)
|
dtlb_match_test (j, i);
|
dtlb_match_test (j, i);
|
}
|
}
|
#else
|
#else
|
dtlb_match_test (0, DTLB_SETS - 2);
|
dtlb_match_test (0, DTLB_SETS - 2);
|
#endif
|
#endif
|
|
|
/* Valid bit testing */
|
/* Valid bit testing */
|
#ifndef RTL_SIM
|
#ifndef RTL_SIM
|
for (i = TLB_DATA_SET_NB; i < (DTLB_SETS - 1); i++)
|
for (i = TLB_DATA_SET_NB; i < (DTLB_SETS - 1); i++)
|
dtlb_valid_bit_test (i);
|
dtlb_valid_bit_test (i);
|
#else
|
#else
|
dtlb_valid_bit_test (DTLB_SETS - 2);
|
dtlb_valid_bit_test (DTLB_SETS - 2);
|
#endif
|
#endif
|
|
|
/* Permission test */
|
/* Permission test */
|
#ifndef RTL_SIM
|
#ifndef RTL_SIM
|
for (i = TLB_DATA_SET_NB; i < (DTLB_SETS - 1); i++)
|
for (i = TLB_DATA_SET_NB; i < (DTLB_SETS - 1); i++)
|
dtlb_premission_test (i);
|
dtlb_premission_test (i);
|
#else
|
#else
|
dtlb_premission_test (DTLB_SETS - 2);
|
dtlb_premission_test (DTLB_SETS - 2);
|
#endif
|
#endif
|
|
|
dtlb_ci_test();
|
dtlb_ci_test();
|
#endif
|
#endif
|
|
|
#if 1
|
#if 1
|
/* Translation test */
|
/* Translation test */
|
itlb_translation_test ();
|
itlb_translation_test ();
|
|
|
/* Virtual address match test */
|
/* Virtual address match test */
|
#ifndef RTL_SIM
|
#ifndef RTL_SIM
|
for (j = 0; j < DTLB_WAYS; j++) {
|
for (j = 0; j < DTLB_WAYS; j++) {
|
for (i = TLB_TEXT_SET_NB + 1; i < (DTLB_SETS - 1); i++)
|
for (i = TLB_TEXT_SET_NB + 1; i < (DTLB_SETS - 1); i++)
|
itlb_match_test (j, i);
|
itlb_match_test (j, i);
|
}
|
}
|
#else
|
#else
|
itlb_match_test (0, DTLB_SETS - 2);
|
itlb_match_test (0, DTLB_SETS - 2);
|
#endif
|
#endif
|
|
|
/* Valid bit testing */
|
/* Valid bit testing */
|
#ifndef RTL_SIM
|
#ifndef RTL_SIM
|
for (i = TLB_TEXT_SET_NB; i < (ITLB_SETS); i++)
|
for (i = TLB_TEXT_SET_NB; i < (ITLB_SETS); i++)
|
itlb_valid_bit_test (i);
|
itlb_valid_bit_test (i);
|
#else
|
#else
|
itlb_valid_bit_test (ITLB_SETS-1);
|
itlb_valid_bit_test (ITLB_SETS-1);
|
#endif
|
#endif
|
|
|
/* Permission test */
|
/* Permission test */
|
#ifndef RTL_SIM
|
#ifndef RTL_SIM
|
for (i = TLB_TEXT_SET_NB; i < (ITLB_SETS - 1); i++)
|
for (i = TLB_TEXT_SET_NB; i < (ITLB_SETS - 1); i++)
|
itlb_premission_test (i);
|
itlb_premission_test (i);
|
#else
|
#else
|
itlb_premission_test (ITLB_SETS - 2);
|
itlb_premission_test (ITLB_SETS - 2);
|
#endif
|
#endif
|
|
|
itlb_ci_test();
|
itlb_ci_test();
|
#endif
|
#endif
|
|
|
report (0xdeaddead);
|
report (0xdeaddead);
|
exit (0);
|
exit (0);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|