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- from Rev 329 to Rev 330
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Rev 329 → Rev 330
/trunk/mp3/sw/cache/support/support.h
0,0 → 1,45
/* Support file for or32 tests. This file should is included |
in each test. It calls main() function and add support for |
basic functions */ |
|
#ifndef SUPPORT_H |
#define SUPPORT_H |
|
#include <stdarg.h> |
#include <_ansi.h> |
#include <stddef.h> |
#include <limits.h> |
|
#if OR1K |
void printf(const char *fmt, ...); |
|
/* For writing into SPR. */ |
void mtspr(unsigned long spr, unsigned long value); |
|
/* For reading SPR. */ |
unsigned long mfspr(unsigned long spr); |
|
#else /* OR1K */ |
|
#include <stdio.h> |
|
#endif /* OR1K */ |
|
/* Function to be called at entry point - not defined here. */ |
int main (); |
|
/* Prints out a value */ |
void report(unsigned long value); |
|
/* return value by making a syscall */ |
extern void exit (int i) __attribute__ ((__noreturn__)); |
|
/* memcpy clone */ |
extern void *memcpy (void *__restrict __dest, |
__const void *__restrict __src, size_t __n); |
|
/* Timer functions */ |
extern void start_timer(int); |
extern unsigned int read_timer(int); |
|
#endif |
trunk/mp3/sw/cache/support/support.h
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: trunk/mp3/sw/cache/support/spr_defs.h
===================================================================
--- trunk/mp3/sw/cache/support/spr_defs.h (nonexistent)
+++ trunk/mp3/sw/cache/support/spr_defs.h (revision 330)
@@ -0,0 +1,400 @@
+/* spr_defs.h -- Defines OR1K architecture specific special-purpose registers
+ Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
+
+This file is part of OpenRISC 1000 Architectural Simulator.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* This file is also used by microkernel test bench. Among
+others it is also used in assembly file(s). */
+
+/* Definition of special-purpose registers (SPRs) */
+
+#define MAX_GRPS (32)
+#define MAX_SPRS_PER_GRP_BITS (11)
+#define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS)
+#define MAX_SPRS (0x10000)
+
+/* Base addresses for the groups */
+#define SPRGROUP_SYS (0<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_DMMU (1<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_IMMU (2<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_DC (3<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_IC (4<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_MAC (5<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_D (6<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PC (7<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PM (8<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_PIC (9<< MAX_SPRS_PER_GRP_BITS)
+#define SPRGROUP_TT (10<< MAX_SPRS_PER_GRP_BITS)
+
+/* System control and status group */
+#define SPR_VR (SPRGROUP_SYS + 0)
+#define SPR_UPR (SPRGROUP_SYS + 1)
+#define SPR_CPUCFGR (SPRGROUP_SYS + 2)
+#define SPR_DMMUCFGR (SPRGROUP_SYS + 3)
+#define SPR_IMMUCFGR (SPRGROUP_SYS + 4)
+#define SPR_DCCFGR (SPRGROUP_SYS + 5)
+#define SPR_ICCFGR (SPRGROUP_SYS + 6)
+#define SPR_DCFGR (SPRGROUP_SYS + 7)
+#define SPR_PCCFGR (SPRGROUP_SYS + 8)
+#define SPR_PC (SPRGROUP_SYS + 16) /* CZ 21/06/01 */
+#define SPR_SR (SPRGROUP_SYS + 17) /* CZ 21/06/01 */
+#define SPR_EPCR_BASE (SPRGROUP_SYS + 32) /* CZ 21/06/01 */
+#define SPR_EPCR_LAST (SPRGROUP_SYS + 47) /* CZ 21/06/01 */
+#define SPR_EEAR_BASE (SPRGROUP_SYS + 48)
+#define SPR_EEAR_LAST (SPRGROUP_SYS + 63)
+#define SPR_ESR_BASE (SPRGROUP_SYS + 64)
+#define SPR_ESR_LAST (SPRGROUP_SYS + 79)
+
+/* Data MMU group */
+#define SPR_DMMUCR (SPRGROUP_DMMU + 0)
+#define SPR_DTLBMR_BASE(WAY) (SPRGROUP_DMMU + 0x200 + (WAY) * 0x200)
+#define SPR_DTLBMR_LAST(WAY) (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x200)
+#define SPR_DTLBTR_BASE(WAY) (SPRGROUP_DMMU + 0x300 + (WAY) * 0x200)
+#define SPR_DTLBTR_LAST(WAY) (SPRGROUP_DMMU + 0x3ff + (WAY) * 0x200)
+
+/* Instruction MMU group */
+#define SPR_IMMUCR (SPRGROUP_IMMU + 0)
+#define SPR_ITLBMR_BASE(WAY) (SPRGROUP_IMMU + 0x200 + (WAY) * 0x200)
+#define SPR_ITLBMR_LAST(WAY) (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x200)
+#define SPR_ITLBTR_BASE(WAY) (SPRGROUP_IMMU + 0x300 + (WAY) * 0x200)
+#define SPR_ITLBTR_LAST(WAY) (SPRGROUP_IMMU + 0x3ff + (WAY) * 0x200)
+
+/* Data cache group */
+#define SPR_DCCR (SPRGROUP_DC + 0)
+#define SPR_DCBPR (SPRGROUP_DC + 1)
+#define SPR_DCBFR (SPRGROUP_DC + 2)
+#define SPR_DCBIR (SPRGROUP_DC + 3)
+#define SPR_DCBWR (SPRGROUP_DC + 4)
+#define SPR_DCBLR (SPRGROUP_DC + 5)
+#define SPR_DCR_BASE(WAY) (SPRGROUP_DC + 0x200 + (WAY) * 0x200)
+#define SPR_DCR_LAST(WAY) (SPRGROUP_DC + 0x3ff + (WAY) * 0x200)
+
+/* Instruction cache group */
+#define SPR_ICCR (SPRGROUP_IC + 0)
+#define SPR_ICBPR (SPRGROUP_IC + 1)
+#define SPR_ICBIR (SPRGROUP_IC + 2)
+#define SPR_ICBLR (SPRGROUP_IC + 3)
+#define SPR_ICR_BASE(WAY) (SPRGROUP_IC + 0x200 + (WAY) * 0x200)
+#define SPR_ICR_LAST(WAY) (SPRGROUP_IC + 0x3ff + (WAY) * 0x200)
+
+/* MAC group */
+#define SPR_MACLO (SPRGROUP_MAC + 1)
+#define SPR_MACHI (SPRGROUP_MAC + 2)
+
+/* Debug group */
+#define SPR_DVR(N) (SPRGROUP_D + (N))
+#define SPR_DCR(N) (SPRGROUP_D + 8 + (N))
+#define SPR_DMR1 (SPRGROUP_D + 16)
+#define SPR_DMR2 (SPRGROUP_D + 17)
+#define SPR_DWCR0 (SPRGROUP_D + 18)
+#define SPR_DWCR1 (SPRGROUP_D + 19)
+#define SPR_DSR (SPRGROUP_D + 20)
+#define SPR_DRR (SPRGROUP_D + 21)
+#define SPR_DIR (SPRGROUP_D + 22)
+
+/* Performance counters group */
+#define SPR_PCCR(N) (SPRGROUP_PC + (N))
+#define SPR_PCMR(N) (SPRGROUP_PC + 8 + (N))
+
+/* Power management group */
+#define SPR_PMR (SPRGROUP_PM + 0)
+
+/* PIC group */
+#define SPR_PICMR (SPRGROUP_PIC + 0)
+#define SPR_PICPR (SPRGROUP_PIC + 1)
+#define SPR_PICSR (SPRGROUP_PIC + 2)
+
+/* Tick Timer group */
+#define SPR_TTMR (SPRGROUP_TT + 0)
+#define SPR_TTCR (SPRGROUP_TT + 1)
+
+/*
+ * Bit definitions for the Version Register
+ *
+ */
+#define SPR_VR_VER 0xffff0000 /* Processor version */
+#define SPR_VR_REV 0x0000003f /* Processor revision */
+
+/*
+ * Bit definitions for the Unit Present Register
+ *
+ */
+#define SPR_UPR_UP 0x00000001 /* UPR present */
+#define SPR_UPR_DCP 0x00000002 /* Data cache present */
+#define SPR_UPR_ICP 0x00000004 /* Instruction cache present */
+#define SPR_UPR_DMP 0x00000008 /* Data MMU present */
+#define SPR_UPR_IMP 0x00000010 /* Instruction MMU present */
+#define SPR_UPR_OB32P 0x00000020 /* ORBIS32 present */
+#define SPR_UPR_OB64P 0x00000040 /* ORBIS64 present */
+#define SPR_UPR_OF32P 0x00000080 /* ORFPX32 present */
+#define SPR_UPR_OF64P 0x00000100 /* ORFPX64 present */
+#define SPR_UPR_OV32P 0x00000200 /* ORVDX32 present */
+#define SPR_UPR_OV64P 0x00000400 /* ORVDX64 present */
+#define SPR_UPR_DUP 0x00000800 /* Debug unit present */
+#define SPR_UPR_PCUP 0x00001000 /* Performance counters unit present */
+#define SPR_UPR_PMP 0x00002000 /* Power management present */
+#define SPR_UPR_PICP 0x00004000 /* PIC present */
+#define SPR_UPR_TTP 0x00008000 /* Tick timer present */
+#define SPR_UPR_SRP 0x00010000 /* Shadow registers present */
+#define SPR_UPR_RES 0x00fe0000 /* ORVDX32 present */
+#define SPR_UPR_CUST 0xff000000 /* Custom units */
+
+/*
+ * Bit definitions for the Supervision Register
+ *
+ */
+#define SPR_SR_CID 0xf0000000 /* Context ID */
+#define SPR_SR_PXR 0x00008000 /* Partial exception recognition */
+#define SPR_SR_EP 0x00004000 /* Exception Prefix */
+#define SPR_SR_DSX 0x00002000 /* Delay Slot Exception */
+#define SPR_SR_OVE 0x00001000 /* Overflow flag Exception */
+#define SPR_SR_OV 0x00000800 /* Overflow flag */
+#define SPR_SR_CY 0x00000400 /* Carry flag */
+#define SPR_SR_F 0x00000200 /* Condition Flag */
+#define SPR_SR_CE 0x00000100 /* CID Enable */
+#define SPR_SR_LEE 0x00000080 /* Little Endian Enable */
+#define SPR_SR_IME 0x00000040 /* Instruction MMU Enable */
+#define SPR_SR_DME 0x00000020 /* Data MMU Enable */
+#define SPR_SR_ICE 0x00000010 /* Instruction Cache Enable */
+#define SPR_SR_DCE 0x00000008 /* Data Cache Enable */
+#define SPR_SR_EIR 0x00000004 /* External Interrupt Recognition */
+#define SPR_SR_EXR 0x00000002 /* Exception Recognition */
+#define SPR_SR_SUPV 0x00000001 /* Supervisor mode */
+
+/*
+ * Bit definitions for the Data MMU Control Register
+ *
+ */
+#define SPR_DMMUCR_P2S 0x0000003e /* Level 2 Page Size */
+#define SPR_DMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
+#define SPR_DMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
+#define SPR_DMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
+
+/*
+ * Bit definitions for the Instruction MMU Control Register
+ *
+ */
+#define SPR_IMMUCR_P2S 0x0000003e /* Level 2 Page Size */
+#define SPR_IMMUCR_P1S 0x000007c0 /* Level 1 Page Size */
+#define SPR_IMMUCR_VADDR_WIDTH 0x0000f800 /* Virtual ADDR Width */
+#define SPR_IMMUCR_PADDR_WIDTH 0x000f0000 /* Physical ADDR Width */
+
+/*
+ * Bit definitions for the Data TLB Match Register
+ *
+ */
+#define SPR_DTLBMR_V 0x00000001 /* Valid */
+#define SPR_DTLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
+#define SPR_DTLBMR_CID 0x0000003c /* Context ID */
+#define SPR_DTLBMR_LRU 0x000000c0 /* Least Recently Used */
+#define SPR_DTLBMR_VPN 0xfffff000 /* Virtual Page Number */
+
+/*
+ * Bit definitions for the Data TLB Translate Register
+ *
+ */
+#define SPR_DTLBTR_CC 0x00000001 /* Cache Coherency */
+#define SPR_DTLBTR_CI 0x00000002 /* Cache Inhibit */
+#define SPR_DTLBTR_WBC 0x00000004 /* Write-Back Cache */
+#define SPR_DTLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
+#define SPR_DTLBTR_A 0x00000010 /* Accessed */
+#define SPR_DTLBTR_D 0x00000020 /* Dirty */
+#define SPR_DTLBTR_URE 0x00000040 /* User Read Enable */
+#define SPR_DTLBTR_UWE 0x00000080 /* User Write Enable */
+#define SPR_DTLBTR_SRE 0x00000100 /* Supervisor Read Enable */
+#define SPR_DTLBTR_SWE 0x00000200 /* Supervisor Write Enable */
+#define SPR_DTLBTR_PPN 0xfffff000 /* Physical Page Number */
+
+/*
+ * Bit definitions for the Instruction TLB Match Register
+ *
+ */
+#define SPR_ITLBMR_V 0x00000001 /* Valid */
+#define SPR_ITLBMR_PL1 0x00000002 /* Page Level 1 (if 0 then PL2) */
+#define SPR_ITLBMR_CID 0x0000003c /* Context ID */
+#define SPR_ITLBMR_LRU 0x000000c0 /* Least Recently Used */
+#define SPR_ITLBMR_VPN 0xfffff000 /* Virtual Page Number */
+
+/*
+ * Bit definitions for the Instruction TLB Translate Register
+ *
+ */
+#define SPR_ITLBTR_CC 0x00000001 /* Cache Coherency */
+#define SPR_ITLBTR_CI 0x00000002 /* Cache Inhibit */
+#define SPR_ITLBTR_WBC 0x00000004 /* Write-Back Cache */
+#define SPR_ITLBTR_WOM 0x00000008 /* Weakly-Ordered Memory */
+#define SPR_ITLBTR_A 0x00000010 /* Accessed */
+#define SPR_ITLBTR_D 0x00000020 /* Dirty */
+#define SPR_ITLBTR_URE 0x00000040 /* User Read Enable */
+#define SPR_ITLBTR_UWE 0x00000080 /* User Write Enable */
+#define SPR_ITLBTR_SRE 0x00000100 /* Supervisor Read Enable */
+#define SPR_ITLBTR_SWE 0x00000200 /* Supervisor Write Enable (not used actually) */
+#define SPR_ITLBTR_PPN 0xfffff000 /* Physical Page Number */
+
+/*
+ * Bit definitions for Data Cache Control register
+ *
+ */
+#define SPR_DCCR_EW 0x000000ff /* Enable ways */
+
+/*
+ * Bit definitions for Insn Cache Control register
+ *
+ */
+#define SPR_ICCR_EW 0x000000ff /* Enable ways */
+
+/*
+ * Bit definitions for Debug Control registers
+ *
+ */
+#define SPR_DCR_DP 0x00000001 /* DVR/DCR present */
+#define SPR_DCR_CC 0x0000000e /* Compare condition */
+#define SPR_DCR_SC 0x00000010 /* Signed compare */
+#define SPR_DCR_CT 0x000000e0 /* Compare to */
+
+/*
+ * Bit definitions for Debug Mode 1 register
+ *
+ */
+#define SPR_DMR1_CW0 0x00000003 /* Chain watchpoint 0 */
+#define SPR_DMR1_CW1 0x0000000c /* Chain watchpoint 1 */
+#define SPR_DMR1_CW2 0x00000030 /* Chain watchpoint 2 */
+#define SPR_DMR1_CW3 0x000000c0 /* Chain watchpoint 3 */
+#define SPR_DMR1_CW4 0x00000300 /* Chain watchpoint 4 */
+#define SPR_DMR1_CW5 0x00000c00 /* Chain watchpoint 5 */
+#define SPR_DMR1_CW6 0x00003000 /* Chain watchpoint 6 */
+#define SPR_DMR1_CW7 0x0000c000 /* Chain watchpoint 7 */
+#define SPR_DMR1_CW8 0x00030000 /* Chain watchpoint 8 */
+#define SPR_DMR1_CW9 0x000c0000 /* Chain watchpoint 9 */
+#define SPR_DMR1_CW10 0x00300000 /* Chain watchpoint 10 */
+#define SPR_DMR1_ST 0x00400000 /* Single-step trace*/
+#define SPR_DMR1_BT 0x00800000 /* Branch trace */
+#define SPR_DMR1_DXFW 0x01000000 /* Disable external force watchpoint */
+
+/*
+ * Bit definitions for Debug Mode 2 register
+ *
+ */
+#define SPR_DMR2_WCE0 0x00000001 /* Watchpoint counter 0 enable */
+#define SPR_DMR2_WCE1 0x00000002 /* Watchpoint counter 0 enable */
+#define SPR_DMR2_AWTC 0x00001ffc /* Assign watchpoints to counters */
+#define SPR_DMR2_WGB 0x00ffe000 /* Watchpoints generating breakpoint */
+
+/*
+ * Bit definitions for Debug watchpoint counter registers
+ *
+ */
+#define SPR_DWCR_COUNT 0x0000ffff /* Count */
+#define SPR_DWCR_MATCH 0xffff0000 /* Match */
+
+/*
+ * Bit definitions for Debug stop register
+ *
+ */
+#define SPR_DSR_RSTE 0x00000001 /* Reset exception */
+#define SPR_DSR_BUSEE 0x00000002 /* Bus error exception */
+#define SPR_DSR_DPFE 0x00000004 /* Data Page Fault exception */
+#define SPR_DSR_IPFE 0x00000008 /* Insn Page Fault exception */
+#define SPR_DSR_LPINTE 0x00000010 /* Low priority interrupt exception */
+#define SPR_DSR_AE 0x00000020 /* Alignment exception */
+#define SPR_DSR_IIE 0x00000040 /* Illegal Instruction exception */
+#define SPR_DSR_HPINTE 0x00000080 /* High priority interrupt exception */
+#define SPR_DSR_DME 0x00000100 /* DTLB miss exception */
+#define SPR_DSR_IME 0x00000200 /* ITLB miss exception */
+#define SPR_DSR_RE 0x00000400 /* Range exception */
+#define SPR_DSR_SCE 0x00000800 /* System call exception */
+#define SPR_DSR_BE 0x00001000 /* Breakpoint exception */
+
+/*
+ * Bit definitions for Debug reason register
+ *
+ */
+#define SPR_DRR_RSTE 0x00000001 /* Reset exception */
+#define SPR_DRR_BUSEE 0x00000002 /* Bus error exception */
+#define SPR_DRR_DPFE 0x00000004 /* Data Page Fault exception */
+#define SPR_DRR_IPFE 0x00000008 /* Insn Page Fault exception */
+#define SPR_DRR_LPINTE 0x00000010 /* Low priority interrupt exception */
+#define SPR_DRR_AE 0x00000020 /* Alignment exception */
+#define SPR_DRR_IIE 0x00000040 /* Illegal Instruction exception */
+#define SPR_DRR_HPINTE 0x00000080 /* High priority interrupt exception */
+#define SPR_DRR_DME 0x00000100 /* DTLB miss exception */
+#define SPR_DRR_IME 0x00000200 /* ITLB miss exception */
+#define SPR_DRR_RE 0x00000400 /* Range exception */
+#define SPR_DRR_SCE 0x00000800 /* System call exception */
+#define SPR_DRR_BE 0x00001000 /* Breakpoint exception */
+
+/*
+ * Bit definitions for Performance counters mode registers
+ *
+ */
+#define SPR_PCMR_CP 0x00000001 /* Counter present */
+#define SPR_PCMR_UMRA 0x00000002 /* User mode read access */
+#define SPR_PCMR_CISM 0x00000004 /* Count in supervisor mode */
+#define SPR_PCMR_CIUM 0x00000008 /* Count in user mode */
+#define SPR_PCMR_LA 0x00000010 /* Load access event */
+#define SPR_PCMR_SA 0x00000020 /* Store access event */
+#define SPR_PCMR_IF 0x00000040 /* Instruction fetch event*/
+#define SPR_PCMR_DCM 0x00000080 /* Data cache miss event */
+#define SPR_PCMR_ICM 0x00000100 /* Insn cache miss event */
+#define SPR_PCMR_IFS 0x00000200 /* Insn fetch stall event */
+#define SPR_PCMR_LSUS 0x00000400 /* LSU stall event */
+#define SPR_PCMR_BS 0x00000800 /* Branch stall event */
+#define SPR_PCMR_DTLBM 0x00001000 /* DTLB miss event */
+#define SPR_PCMR_ITLBM 0x00002000 /* ITLB miss event */
+#define SPR_PCMR_DDS 0x00004000 /* Data dependency stall event */
+#define SPR_PCMR_WPE 0x03ff8000 /* Watchpoint events */
+
+/*
+ * Bit definitions for the Power management register
+ *
+ */
+#define SPR_PMR_SDF 0x00000001 /* Slow down factor */
+#define SPR_PMR_DME 0x00000002 /* Doze mode enable */
+#define SPR_PMR_SME 0x00000004 /* Sleep mode enable */
+#define SPR_PMR_DCGE 0x00000008 /* Dynamic clock gating enable */
+#define SPR_PMR_SUME 0x00000010 /* Suspend mode enable */
+
+/*
+ * Bit definitions for PICMR
+ *
+ */
+#define SPR_PICMR_IUM 0xfffffffc /* Interrupt unmask */
+
+/*
+ * Bit definitions for PICPR
+ *
+ */
+#define SPR_PICPR_IPRIO 0xfffffffc /* Interrupt priority */
+
+/*
+ * Bit definitions for PICSR
+ *
+ */
+#define SPR_PICSR_IS 0xffffffff /* Interrupt status */
+
+/*
+ * Bit definitions for Tick Timer Control Register
+ *
+ */
+#define SPR_TTCR_PERIOD 0x0fffffff /* Time Period */
+#define SPR_TTMR_PERIOD SPR_TTCR_PERIOD
+#define SPR_TTMR_IP 0x10000000 /* Interrupt Pending */
+#define SPR_TTMR_IE 0x20000000 /* Interrupt Enable */
+#define SPR_TTMR_RT 0x40000000 /* Restart tick */
+#define SPR_TTMR_SR 0x80000000 /* Single run */
+#define SPR_TTMR_CR 0xc0000000 /* Continuous run */
+#define SPR_TTMR_M 0xc0000000 /* Tick mode */
trunk/mp3/sw/cache/support/spr_defs.h
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: trunk/mp3/sw/cache/support/Makefile
===================================================================
--- trunk/mp3/sw/cache/support/Makefile (nonexistent)
+++ trunk/mp3/sw/cache/support/Makefile (revision 330)
@@ -0,0 +1,6 @@
+
+support.o: support.c
+ or32-rtems-gcc -O2 -c -o support.o support.c
+
+clean:
+ rm -rf *.o
Index: trunk/mp3/sw/cache/support/support.c
===================================================================
--- trunk/mp3/sw/cache/support/support.c (nonexistent)
+++ trunk/mp3/sw/cache/support/support.c (revision 330)
@@ -0,0 +1,113 @@
+/* Support */
+
+#include
+#include "support.h"
+
+#if OR1K
+
+/* Start function, called by reset exception handler. */
+void reset ()
+{
+ int i = main();
+ exit (i);
+}
+
+/* return value by making a syscall */
+void exit (int i)
+{
+ asm("l.add r3,r0,%0": : "r" (i));
+ asm("l.sys 203");
+}
+
+/* activate printf support in simulator */
+void printf(const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ asm("l.addi\tr3,%0,0": :"r" (fmt));
+ asm("l.addi\tr4,%0,0": :"r" (args));
+ asm("l.sys 202");
+}
+
+/* print long */
+void report(unsigned long value)
+{
+ unsigned long spr = 0x1234;
+ asm("l.mtspr\t\t%0,%1,0x0" : : "r" (spr), "r" (value));
+ return;
+}
+
+/* just to satisfy linker */
+void __main()
+{
+}
+
+/* start_TIMER */
+void start_timer(int x)
+{
+}
+
+/* read_TIMER */
+/* Returns a value since started in uS */
+unsigned int read_timer(int x)
+{
+ unsigned long count = 0;
+
+ /* Read the Time Stamp Counter */
+/* asm("simrdtsc %0" :"=r" (count)); */
+ asm("l.sys 201");
+ return count;
+}
+
+/* For writing into SPR. */
+void mtspr(unsigned long spr, unsigned long value)
+{
+ asm("l.mtspr\t\t%0,%1,0": : "r" (spr), "r" (value));
+}
+
+/* For reading SPR. */
+unsigned long mfspr(unsigned long spr)
+{
+ unsigned long value;
+ asm("l.mfspr\t\t%0,%1,0" : "=r" (value) : "r" (spr));
+ return value;
+}
+
+#else
+void report(unsigned long value)
+{
+ unsigned long spr = 0x1234;
+ printf("l.mtspr %x,%x\n", spr, value);
+ return;
+}
+
+/* start_TIMER */
+void start_timer(int tmrnum)
+{
+ return;
+}
+
+/* read_TIMER */
+/* Returns a value since started in uS */
+unsigned int read_timer(int tmrnum)
+{
+ struct timeval tv;
+ struct timezone tz;
+
+ gettimeofday(&tv, &tz);
+
+ return(tv.tv_sec*1000000+tv.tv_usec);
+}
+
+#endif
+
+void *memcpy (void *__restrict dstvoid,
+ __const void *__restrict srcvoid, size_t length)
+{
+ char *dst = dstvoid;
+ const char *src = srcvoid;
+
+ while (length--)
+ *dst++ = *src++;
+ return dst;
+}
trunk/mp3/sw/cache/support/support.c
Property changes :
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property