| Line 20... |
Line 20... |
#include <stdio.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <ctype.h>
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#include <string.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include "abstract.h"
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#include "config.h"
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#ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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#include "port.h"
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#include "arch.h"
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#include "arch.h"
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#include "abstract.h"
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#include "dmmu.h"
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#include "dmmu.h"
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#include "coff.h"
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#include "coff.h"
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#include "elf.h"
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#include "elf.h"
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#include "debug_unit.h"
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#include "debug_unit.h"
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#include "opcode/or32.h"
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#include "opcode/or32.h"
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| Line 35... |
Line 42... |
#include "debug.h"
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#include "debug.h"
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#define MEMORY_LEN 0x100000000
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#define MEMORY_LEN 0x100000000
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#define MAXLINE_LEN 18000
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#define MAXLINE_LEN 18000
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#ifndef HAVE_ISBLANK
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/*
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*isblank() is a GNU extension
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*not available on Solaris, for example
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*/
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static int isblank(int c)
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{
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return (c==' ') || (c=='\t');
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}
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#endif
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/* Whether to do immediate statistics */
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/* Whether to do immediate statistics */
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#define IMM_STATS 0
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#define IMM_STATS 0
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extern char *disassembled;
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extern char *disassembled;
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/* Unused mem memory marker. It is used when allocating program and data memory
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/* Unused mem memory marker. It is used when allocating program and data memory
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during parsing */
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during parsing */
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unsigned int freemem;
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unsigned int freemem;
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/* Translation table provided by microkernel. Only used if simulating microkernel. */
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/* Translation table provided by microkernel. Only used if simulating microkernel. */
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static unsigned long transl_table;
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static oraddr_t transl_table;
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/* Used to signal whether during loading of programs a translation fault occured. */
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/* Used to signal whether during loading of programs a translation fault occured. */
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static unsigned long transl_error;
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static unsigned long transl_error;
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| Line 104... |
Line 100... |
*++t = '\0';
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*++t = '\0';
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return s;
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return s;
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}
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}
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char *
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dupstr (s)
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char *s;
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{
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char *r;
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r = (char *)malloc (strlen (s) + 1);
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strcpy (r, s);
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return (r);
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}
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/* This function is very similar to strncpy, except it null terminates the string */
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/* This function is very similar to strncpy, except it null terminates the string */
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char *strstrip (char *dst, const char *src, int n)
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char *strstrip (char *dst, const char *src, int n)
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{
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{
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strncpy (dst, src, n);
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strncpy (dst, src, n);
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*(dst + n) = '\0';
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*(dst + n) = '\0';
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| Line 146... |
Line 131... |
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/* Used only by the simulator loader to translate logical addresses into physical.
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/* Used only by the simulator loader to translate logical addresses into physical.
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If loadcode() is called with valid virtphy_transl pointer to a table of
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If loadcode() is called with valid virtphy_transl pointer to a table of
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translations then translate() performs translation otherwise phy address is
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translations then translate() performs translation otherwise phy address is
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equal to logical. */
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equal to logical. */
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static unsigned int translate(unsigned int laddr,int* breakpoint)
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static oraddr_t translate(oraddr_t laddr,int* breakpoint)
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{
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{
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int i;
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int i;
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/* No translation (i.e. when loading kernel into simulator) */
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/* No translation (i.e. when loading kernel into simulator) */
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/* PRINTF("transl_table=%x laddr=%x\n", transl_table, laddr);
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/* PRINTF("transl_table=%x laddr=%x\n", transl_table, laddr);
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| Line 160... |
Line 145... |
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/* Try to find our translation in the table. */
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/* Try to find our translation in the table. */
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for(i = 0; i < (MEMORY_LEN / PAGE_SIZE) * 16; i += 16)
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for(i = 0; i < (MEMORY_LEN / PAGE_SIZE) * 16; i += 16)
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if ((laddr & ~(PAGE_SIZE - 1)) == evalsim_mem32(transl_table + i)) {
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if ((laddr & ~(PAGE_SIZE - 1)) == evalsim_mem32(transl_table + i)) {
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setsim_mem32(transl_table + i + 8, -2); /* Page modified */
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setsim_mem32(transl_table + i + 8, -2); /* Page modified */
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PRINTF("found paddr=%lx\n", evalsim_mem32(transl_table + i + 4) | (laddr & (PAGE_SIZE - 1)));
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PRINTF("found paddr=%"PRIx32"\n",
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return (unsigned long)evalsim_mem32(transl_table + i + 4) | (laddr & (unsigned long)(PAGE_SIZE - 1));
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evalsim_mem32(transl_table + i + 4) | (laddr & (PAGE_SIZE - 1)));
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return (oraddr_t)evalsim_mem32(transl_table + i + 4) | (laddr & (oraddr_t)(PAGE_SIZE - 1));
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}
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}
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/* Allocate new phy page for us. */
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/* Allocate new phy page for us. */
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for(i = 0; i < (MEMORY_LEN / PAGE_SIZE) * 16; i += 16)
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for(i = 0; i < (MEMORY_LEN / PAGE_SIZE) * 16; i += 16)
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if (evalsim_mem32(transl_table + i + 8) == 0) {
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if (evalsim_mem32(transl_table + i + 8) == 0) {
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setsim_mem32(transl_table + i, laddr & ~(PAGE_SIZE - 1)); /* VPN */
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setsim_mem32(transl_table + i, laddr & ~(PAGE_SIZE - 1)); /* VPN */
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setsim_mem32(transl_table + i + 4, (i/16) * PAGE_SIZE); /* PPN */
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setsim_mem32(transl_table + i + 4, (i/16) * PAGE_SIZE); /* PPN */
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setsim_mem32(transl_table + i + 8, -2); /* Page modified */
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setsim_mem32(transl_table + i + 8, -2); /* Page modified */
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PRINTF("newly allocated ppn=%lx\n", (unsigned long)evalsim_mem32(transl_table + i + 4));
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PRINTF("newly allocated ppn=%"PRIx32"\n",
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PRINTF("newly allocated .ppn=%lx\n", (unsigned long)transl_table + i + 4);
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evalsim_mem32(transl_table + i + 4));
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PRINTF("newly allocated ofs=%lx\n", (unsigned long)(laddr & (PAGE_SIZE - 1)));
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PRINTF("newly allocated .ppn=%"PRIxADDR"\n", transl_table + i + 4);
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PRINTF("newly allocated paddr=%lx\n", (unsigned long)evalsim_mem32(transl_table + i + 4) | (laddr & (PAGE_SIZE - 1)));
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PRINTF("newly allocated ofs=%"PRIxADDR"\n", (laddr & (PAGE_SIZE - 1)));
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return (unsigned long)evalsim_mem32(transl_table + i + 4) | (laddr & (unsigned long)(PAGE_SIZE - 1));
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PRINTF("newly allocated paddr=%"PRIx32"\n",
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evalsim_mem32(transl_table + i + 4) | (laddr & (PAGE_SIZE - 1)));
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return (oraddr_t)evalsim_mem32(transl_table + i + 4) | (laddr & (oraddr_t)(PAGE_SIZE - 1));
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}
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}
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/* If we come this far then all phy memory is used and we can't find our page
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/* If we come this far then all phy memory is used and we can't find our page
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nor allocate new page. */
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nor allocate new page. */
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transl_error = 1;
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transl_error = 1;
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PRINTF("can't translate %x\n", laddr);
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PRINTF("can't translate %"PRIxADDR"\n", laddr);
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exit(1);
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exit(1);
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return -1;
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return -1;
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}
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}
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#if IMM_STATS
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#if IMM_STATS
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| Line 197... |
Line 185... |
if (!val) return 0;
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if (!val) return 0;
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while (val != 0 && (signed long)val != -1) {i++; val = (signed long)val >> 1;}
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while (val != 0 && (signed long)val != -1) {i++; val = (signed long)val >> 1;}
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return i;
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return i;
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}
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}
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void check_insn (unsigned long insn) {
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void check_insn (uint32_t insn) {
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int insn_index = insn_decode (insn);
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int insn_index = insn_decode (insn);
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struct insn_op_struct *opd = op_start[insn_index];
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struct insn_op_struct *opd = op_start[insn_index];
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unsigned long data = 0;
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uint32_t data = 0;
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int dis = 0;
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int dis = 0;
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const char *name;
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const char *name;
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if (!insn || insn_index < 0) return;
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if (!insn || insn_index < 0) return;
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name = insn_name (insn_index);
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name = insn_name (insn_index);
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if (strcmp (name, "l.nop") == 0 || strcmp (name, "l.sys") == 0) return;
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if (strcmp (name, "l.nop") == 0 || strcmp (name, "l.sys") == 0) return;
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while (1)
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while (1)
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{
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{
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unsigned long tmp = 0, nbits = 0;
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uint32_t tmp = 0
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unsigned int nbits = 0;
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while (1)
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while (1)
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{
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{
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tmp |= ((insn >> (opd->type & OPTYPE_SHR)) & ((1 << opd->data) - 1)) << nbits;
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tmp |= ((insn >> (opd->type & OPTYPE_SHR)) & ((1 << opd->data) - 1)) << nbits;
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nbits += opd->data;
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nbits += opd->data;
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if (opd->type & OPTYPE_OP)
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if (opd->type & OPTYPE_OP)
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| Line 261... |
Line 250... |
opd++;
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opd++;
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}
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}
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}
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}
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#endif
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#endif
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char null_str[1] = "\0";
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/* Replaced several calls to translate(freemem) with vaddr */
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/* Replaced several calls to translate(freemem) with vaddr */
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/* Added new mode execution code */
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/* Added new mode execution code */
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/* Changed parameters so address can be passed as argument */
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/* Changed parameters so address can be passed as argument */
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void addprogram(unsigned long address, unsigned long insn, int* breakpoint)
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void addprogram(oraddr_t address, uint32_t insn, int* breakpoint)
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{
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{
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int vaddr = (!runtime.sim.filename) ? translate(address,breakpoint) : translate(freemem,breakpoint);
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int vaddr = (!runtime.sim.filename) ? translate(address,breakpoint) : translate(freemem,breakpoint);
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setsim_mem32 (vaddr, insn);
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setsim_mem32 (vaddr, insn);
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#if IMM_STATS
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#if IMM_STATS
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| Line 284... |
Line 271... |
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void readfile_coff(char *filename, short sections)
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void readfile_coff(char *filename, short sections)
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{
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{
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FILE *inputfs;
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FILE *inputfs;
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char inputbuf[4];
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char inputbuf[4];
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unsigned long insn;
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uint32_t insn;
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signed long sectsize;
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signed long sectsize;
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COFF_AOUTHDR coffaouthdr;
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COFF_AOUTHDR coffaouthdr;
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struct COFF_scnhdr coffscnhdr;
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struct COFF_scnhdr coffscnhdr;
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int len;
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int len;
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int firstthree = 0;
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int firstthree = 0;
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| Line 374... |
Line 361... |
insn = COFF_LONG_H(inputbuf);
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insn = COFF_LONG_H(inputbuf);
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len = insn_len (insn_decode (insn));
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len = insn_len (insn_decode (insn));
|
if (len == 2)
|
if (len == 2)
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{
|
{
|
fseek(inputfs, -2, SEEK_CUR);
|
fseek(inputfs, -2, SEEK_CUR);
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debug(8,"readfile_coff: %x 0x%x \n", sectsize, insn >> 16);
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debug(8,"readfile_coff: %lx 0x%x \n", sectsize, insn >> 16);
|
}
|
}
|
else
|
else
|
debug(8,"readfile_coff: %x 0x%x \n", sectsize, insn);
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debug(8,"readfile_coff: %lx 0x%x \n", sectsize, insn);
|
addprogram (freemem, insn, &breakpoint);
|
addprogram (freemem, insn, &breakpoint);
|
sectsize -= len;
|
sectsize -= len;
|
}
|
}
|
}
|
}
|
if (firstthree < 3) {
|
if (firstthree < 3) {
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| Line 451... |
Line 438... |
debug(8, "[%i] Symbol: %s,", count++, &tmp[0]);
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debug(8, "[%i] Symbol: %s,", count++, &tmp[0]);
|
}
|
}
|
fseek(inputfs, fpos, SEEK_SET);
|
fseek(inputfs, fpos, SEEK_SET);
|
}
|
}
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|
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debug(9, " val: 0x%.8x,", COFF_LONG_H(coffsymhdr.e_value));
|
debug(9, " val: 0x%.8lx,", COFF_LONG_H(coffsymhdr.e_value));
|
debug(9, " type: %x, %x, auxs: %i\n", COFF_SHORT_H(coffsymhdr.e_type), *((unsigned short *)coffsymhdr.e_type), n);
|
debug(9, " type: %x, %x, auxs: %i\n", COFF_SHORT_H(coffsymhdr.e_type), *((unsigned short *)coffsymhdr.e_type), n);
|
}
|
}
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|
|
for (i = 0; i < n; i++)
|
for (i = 0; i < n; i++)
|
if (fread(&coffsymhdr, COFF_SYMESZ, 1, inputfs) != 1) {
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if (fread(&coffsymhdr, COFF_SYMESZ, 1, inputfs) != 1) {
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| Line 483... |
Line 470... |
unsigned long syms = 0;
|
unsigned long syms = 0;
|
char *str_tbl = (char *)0;
|
char *str_tbl = (char *)0;
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char *s_str = (char *)0;
|
char *s_str = (char *)0;
|
int breakpoint = 0;
|
int breakpoint = 0;
|
unsigned long inputbuf;
|
unsigned long inputbuf;
|
unsigned long insn, padd;
|
unsigned long padd;
|
|
uint32_t insn;
|
int i, j, sectsize, len;
|
int i, j, sectsize, len;
|
|
|
if (!(inputfs = fopen(filename, "r"))) {
|
if (!(inputfs = fopen(filename, "r"))) {
|
perror("readfile_elf");
|
perror("readfile_elf");
|
exit(1);
|
exit(1);
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| Line 641... |
Line 629... |
if (str_tbl) {
|
if (str_tbl) {
|
i = 0;
|
i = 0;
|
while(syms--) {
|
while(syms--) {
|
if (sym_tbl[i].st_name && sym_tbl[i].st_info && ELF_SHORT_H(sym_tbl[i].st_shndx) < 0x8000) {
|
if (sym_tbl[i].st_name && sym_tbl[i].st_info && ELF_SHORT_H(sym_tbl[i].st_shndx) < 0x8000) {
|
add_label(ELF_LONG_H(sym_tbl[i].st_value), &str_tbl[ELF_LONG_H(sym_tbl[i].st_name)]);
|
add_label(ELF_LONG_H(sym_tbl[i].st_value), &str_tbl[ELF_LONG_H(sym_tbl[i].st_name)]);
|
debug (8, "%08x(%s): %x %x %x\n", ELF_LONG_H(sym_tbl[i].st_value), &str_tbl[ELF_LONG_H(sym_tbl[i].st_name)], sym_tbl[i].st_info, sym_tbl[i].st_other, ELF_SHORT_H(sym_tbl[i].st_shndx));
|
debug (8, "%08lx(%s): %x %x %x\n", ELF_LONG_H(sym_tbl[i].st_value), &str_tbl[ELF_LONG_H(sym_tbl[i].st_name)], sym_tbl[i].st_info, sym_tbl[i].st_other, ELF_SHORT_H(sym_tbl[i].st_shndx));
|
}
|
}
|
i++;
|
i++;
|
}
|
}
|
}
|
}
|
}
|
}
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| Line 718... |
Line 706... |
return;
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return;
|
}
|
}
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|
|
|
|
/* Loads file to memory starting at address startaddr and returns freemem. */
|
/* Loads file to memory starting at address startaddr and returns freemem. */
|
unsigned long loadcode(char *filename, unsigned long startaddr, unsigned long virtphy_transl)
|
unsigned long loadcode(char *filename, oraddr_t startaddr, oraddr_t virtphy_transl)
|
{
|
{
|
int breakpoint = 0;
|
int breakpoint = 0;
|
|
|
transl_error = 0;
|
transl_error = 0;
|
transl_table = virtphy_transl;
|
transl_table = virtphy_transl;
|
freemem = startaddr;
|
freemem = startaddr;
|
PRINTF("loadcode: filename %s startaddr=%lx virtphy_transl=%lx\n", filename, startaddr, virtphy_transl);
|
PRINTF("loadcode: filename %s startaddr=%"PRIxADDR" virtphy_transl=%"PRIxADDR"\n",
|
|
filename, startaddr, virtphy_transl);
|
identifyfile(filename);
|
identifyfile(filename);
|
|
|
#if IMM_STATS
|
#if IMM_STATS
|
{
|
{
|
int i = 0, a = 0, b = 0, c = 0;
|
int i = 0, a = 0, b = 0, c = 0;
|
PRINTF ("index:arith/branch/jump\n");
|
PRINTF ("index:arith/branch/jump\n");
|
for (i = 0; i < 33; i++) PRINTF ("%2i:\t%3.0f%% / %3.0f%%/ %3.0f%%\t%5i / %5i / %5i\n", i, 100.* (a += bcnt[i][0])/bsum[0],
|
for (i = 0; i < 33; i++)
|
100.* (b += bcnt[i][1])/bsum[1], 100.* (c += bcnt[i][2])/bsum[2], bcnt[i][0], bcnt[i][1], bcnt[i][2]);
|
PRINTF ("%2i:\t%3.0f%% / %3.0f%%/ %3.0f%%\t%5i / %5i / %5i\n", i,
|
|
100.* (a += bcnt[i][0])/bsum[0], 100.* (b += bcnt[i][1])/bsum[1],
|
|
100.* (c += bcnt[i][2])/bsum[2], bcnt[i][0], bcnt[i][1], bcnt[i][2]);
|
PRINTF ("\nsum %i %i %i\n", bsum[0], bsum[1], bsum[2]);
|
PRINTF ("\nsum %i %i %i\n", bsum[0], bsum[1], bsum[2]);
|
}
|
}
|
#endif
|
#endif
|
|
|
if (transl_error)
|
if (transl_error)
|
