| Line 23... |
Line 23... |
#include <stdlib.h>
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#include <stdlib.h>
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|
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#include "parse.h"
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#include "parse.h"
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#include "abstract.h"
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#include "abstract.h"
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#include "arch.h"
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#include "arch.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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|
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#define MAXLINE_LEN 18000
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#define MAXLINE_LEN 18000
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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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static unsigned long transl_table;
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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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int nonempty(char *line)
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int nonempty(char *line)
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{
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{
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int i;
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int i;
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|
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for(i = 0; i < strlen(line); i++)
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for(i = 0; i < strlen(line); i++)
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| Line 75... |
Line 83... |
if ((newline = strchr(out, '\r'))) /* get rid of CR */
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if ((newline = strchr(out, '\r'))) /* get rid of CR */
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newline[0] = '\0';
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newline[0] = '\0';
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return(out);
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return(out);
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}
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}
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/* Used only by the simulator loader to translate logical addresses int ophysical.
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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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|
equal to logical. */
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static unsigned int translate(unsigned int laddr)
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{
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int i;
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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("laddr=%x\n", laddr);*/
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if (transl_table == 0)
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return laddr;
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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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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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printf("found paddr=%x\n", evalsim_mem32(transl_table + i + 4) | (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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}
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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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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 + 4, (i/16) * PAGE_SIZE); /* PPN */
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setsim_mem32(transl_table + i + 8, -2); /* Page modified */
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printf("newly allocated ppn=%x\n", (unsigned long)evalsim_mem32(transl_table + i + 4));
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printf("newly allocated .ppn=%x\n", (unsigned long)transl_table + i + 4);
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printf("newly allocated ofs=%x\n", (unsigned long)(laddr & (PAGE_SIZE - 1)));
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printf("newly allocated paddr=%x\n", (unsigned long)evalsim_mem32(transl_table + i + 4) | (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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}
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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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transl_error = 1;
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printf("can't translate\n", laddr);
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exit(1);
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return -1;
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}
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void adddatastr(char *str)
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void adddatastr(char *str)
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{
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{
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if (str)
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if (str)
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str++;
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str++;
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else
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else
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return;
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return;
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for(; *str && *str != '\"'; str++, freemem++)
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for(; *str && *str != '\"'; str++, translate(freemem++))
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if (*str == '\\')
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if (*str == '\\')
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switch (*++str) {
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switch (*++str) {
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case 'n': mem[freemem].data = '\n';
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case 'n': mem[translate(freemem)].data = '\n';
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break;
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break;
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case 't': mem[freemem].data = '\t';
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case 't': mem[translate(freemem)].data = '\t';
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break;
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break;
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case 'r': mem[freemem].data = '\r';
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case 'r': mem[translate(freemem)].data = '\r';
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break;
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break;
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case '0': mem[freemem].data = '\0';
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case '0': mem[translate(freemem)].data = '\0';
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break;
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break;
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default: break;
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default: break;
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}
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}
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else
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else
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mem[freemem].data = *str;
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mem[translate(freemem)].data = *str;
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}
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}
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void adddataword(char *item)
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void adddataword(char *item)
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{
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{
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unsigned long num;
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unsigned long num;
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| Line 108... |
Line 159... |
if (isdigit(*item))
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if (isdigit(*item))
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num = strtoul(item, NULL, 0);
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num = strtoul(item, NULL, 0);
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else
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else
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num = eval_label(item);
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num = eval_label(item);
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debug("adddataword: [0x%x] <= %x\n", freemem, num);
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debug("adddataword: [0x%x] <= %x\n", translate(freemem), num);
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mem[freemem].data = (char) (num >> 24);
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mem[translate(freemem)].data = (char) (num >> 24);
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mem[freemem + 1].data = (char) (num >> 16);
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mem[translate(freemem + 1)].data = (char) (num >> 16);
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mem[freemem + 2].data = (char) (num >> 8);
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mem[translate(freemem + 2)].data = (char) (num >> 8);
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mem[freemem + 3].data = (char) (num);
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mem[translate(freemem + 3)].data = (char) (num);
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freemem += 4;
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freemem += 4;
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}
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}
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void adddatahalf(char *item)
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void adddatahalf(char *item)
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| Line 126... |
Line 177... |
if (isdigit(*item))
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if (isdigit(*item))
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num = strtoul(item, NULL, 0);
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num = strtoul(item, NULL, 0);
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else
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else
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num = eval_label(item);
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num = eval_label(item);
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mem[freemem].data = (char) (num >> 8);
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mem[translate(freemem)].data = (char) (num >> 8);
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mem[freemem + 1].data = (char) (num);
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mem[translate(freemem + 1)].data = (char) (num);
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freemem += 2;
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freemem += 2;
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}
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}
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void adddatabyte(char *item)
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void adddatabyte(char *item)
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| Line 141... |
Line 192... |
if (isdigit(*item))
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if (isdigit(*item))
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num = strtoul(item, NULL, 0);
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num = strtoul(item, NULL, 0);
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else
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else
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num = eval_label(item);
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num = eval_label(item);
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mem[freemem].data = (char) (num);
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mem[translate(freemem)].data = (char) (num);
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freemem++;
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freemem++;
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}
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}
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void adddataspace(char *num)
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void adddataspace(char *num)
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| Line 155... |
Line 206... |
|
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void addlabel(char *label, unsigned long freemem)
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void addlabel(char *label, unsigned long freemem)
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{
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{
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struct label_entry **tmp;
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struct label_entry **tmp;
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|
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debug("Adding label %s at 0x%x\n", label, freemem);
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debug("Adding label %s at 0x%x\n", label, translate(freemem));
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tmp = &mem[freemem].label;
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tmp = &mem[translate(freemem)].label;
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for (; *tmp; tmp = &((*tmp)->next));
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for (; *tmp; tmp = &((*tmp)->next));
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*tmp = malloc(sizeof(**tmp));
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*tmp = malloc(sizeof(**tmp));
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(*tmp)->name = malloc(strlen(label)+1);
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(*tmp)->name = malloc(strlen(label)+1);
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strcpy((*tmp)->name, label);
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strcpy((*tmp)->name, label);
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(*tmp)->next = NULL;
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(*tmp)->next = NULL;
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| Line 174... |
Line 225... |
{
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{
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int h_insn_is_word_flag=0;
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int h_insn_is_word_flag=0;
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char insn_first2_char[3];
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char insn_first2_char[3];
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|
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debug("addprogram 1\n");
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debug("addprogram 1\n");
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if (!mem[freemem].insn) {
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if (!mem[translate(freemem)].insn) {
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mem[freemem].insn = malloc(sizeof(*mem[freemem].insn));
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mem[translate(freemem)].insn = malloc(sizeof(*mem[translate(freemem)].insn));
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mem[freemem].insn->insn = null_str;
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mem[translate(freemem)].insn->insn = null_str;
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mem[freemem].insn->op1 = null_str;
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mem[translate(freemem)].insn->op1 = null_str;
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mem[freemem].insn->op2 = null_str;
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mem[translate(freemem)].insn->op2 = null_str;
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mem[freemem].insn->op3 = null_str;
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mem[translate(freemem)].insn->op3 = null_str;
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mem[freemem].insn->op4 = null_str;
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mem[translate(freemem)].insn->op4 = null_str;
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} else {
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} else {
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printf("internal error: reloading the same location\n");
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printf("internal error: reloading the same location\n");
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exit(1);
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exit(1);
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}
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}
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debug("addprogram 2\n");
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debug("addprogram 2\n");
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mem[freemem].insn->insn = malloc(strlen(insn)+1);
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mem[translate(freemem)].insn->insn = malloc(strlen(insn)+1);
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#ifdef OR16
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#ifdef OR16
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strcpy(mem[freemem].insn->insn, insn);
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strcpy(mem[translate(freemem)].insn->insn, insn);
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printf("half:%s:\n", insn);
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printf("half:%s:\n", insn);
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insn_first2_char[0]=insn[0];
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insn_first2_char[0]=insn[0];
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insn_first2_char[1]=insn[1];
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insn_first2_char[1]=insn[1];
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insn_first2_char[2]='\0';
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insn_first2_char[2]='\0';
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debug("addprogram 3\n");
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debug("addprogram 3\n");
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| Line 225... |
Line 276... |
else {
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else {
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h_insn_is_word_flag = 0; /* not h.xxx insn */
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h_insn_is_word_flag = 0; /* not h.xxx insn */
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}
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}
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#else
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#else
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debug("addprogram 4\n");
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debug("addprogram 4\n");
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strcpy(mem[freemem].insn->insn, insn);
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strcpy(mem[translate(freemem)].insn->insn, insn);
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debug("addprogram 5\n");
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debug("addprogram 5\n");
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#endif
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#endif
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|
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/* op1 */
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/* op1 */
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if (*operands) {
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if (*operands) {
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mem[freemem].insn->op1 = malloc(strlen(operands)+1);
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mem[translate(freemem)].insn->op1 = malloc(strlen(operands)+1);
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strcpy(mem[freemem].insn->op1, operands);
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strcpy(mem[translate(freemem)].insn->op1, operands);
|
}
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}
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|
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debug("addprogram 6\n");
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debug("addprogram 6\n");
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debug("operands:%s\n", operands);
|
debug("operands:%s\n", operands);
|
if (strstr(operands, OPERAND_DELIM)) {
|
if (strstr(operands, OPERAND_DELIM)) {
|
debug("addprogram 6a\n");
|
debug("addprogram 6a\n");
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operands = strstr(mem[freemem].insn->op1, OPERAND_DELIM);
|
operands = strstr(mem[translate(freemem)].insn->op1, OPERAND_DELIM);
|
*operands = '\0';
|
*operands = '\0';
|
operands++;
|
operands++;
|
} else {
|
} else {
|
debug("addprogram 6b\n");
|
debug("addprogram 6b\n");
|
#ifdef OR16
|
#ifdef OR16
|
| Line 255... |
Line 306... |
}
|
}
|
|
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debug("addprogram 7\n");
|
debug("addprogram 7\n");
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/* op2 */
|
/* op2 */
|
if (*operands) {
|
if (*operands) {
|
mem[freemem].insn->op2 = malloc(strlen(operands)+1);
|
mem[translate(freemem)].insn->op2 = malloc(strlen(operands)+1);
|
strcpy(mem[freemem].insn->op2, operands);
|
strcpy(mem[translate(freemem)].insn->op2, operands);
|
}
|
}
|
if (strstr(operands, OPERAND_DELIM)) {
|
if (strstr(operands, OPERAND_DELIM)) {
|
operands = strstr(mem[freemem].insn->op2, OPERAND_DELIM);
|
operands = strstr(mem[translate(freemem)].insn->op2, OPERAND_DELIM);
|
*operands = '\0';
|
*operands = '\0';
|
operands++;
|
operands++;
|
} else {
|
} else {
|
#ifdef OR16
|
#ifdef OR16
|
freemem += (h_insn_is_word_flag == 1) ? 2 : 4;
|
freemem += (h_insn_is_word_flag == 1) ? 2 : 4;
|
| Line 274... |
Line 325... |
}
|
}
|
|
|
debug("addprogram 8\n");
|
debug("addprogram 8\n");
|
/* op3 */
|
/* op3 */
|
if (*operands) {
|
if (*operands) {
|
mem[freemem].insn->op3 = malloc(strlen(operands)+1);
|
mem[translate(freemem)].insn->op3 = malloc(strlen(operands)+1);
|
strcpy(mem[freemem].insn->op3, operands);
|
strcpy(mem[translate(freemem)].insn->op3, operands);
|
}
|
}
|
if (strstr(operands, OPERAND_DELIM)) {
|
if (strstr(operands, OPERAND_DELIM)) {
|
operands = strstr(mem[freemem].insn->op3, OPERAND_DELIM);
|
operands = strstr(mem[translate(freemem)].insn->op3, OPERAND_DELIM);
|
*operands = '\0';
|
*operands = '\0';
|
operands++;
|
operands++;
|
} else {
|
} else {
|
#ifdef OR16
|
#ifdef OR16
|
freemem += (h_insn_is_word_flag == 1) ? 2 : 4;
|
freemem += (h_insn_is_word_flag == 1) ? 2 : 4;
|
| Line 292... |
Line 343... |
return;
|
return;
|
}
|
}
|
|
|
/* op4 */
|
/* op4 */
|
if (*operands) {
|
if (*operands) {
|
mem[freemem].insn->op4 = malloc(strlen(operands)+1);
|
mem[translate(freemem)].insn->op4 = malloc(strlen(operands)+1);
|
strcpy(mem[freemem].insn->op4, operands);
|
strcpy(mem[translate(freemem)].insn->op4, operands);
|
}
|
}
|
if (strstr(operands, OPERAND_DELIM)) {
|
if (strstr(operands, OPERAND_DELIM)) {
|
operands = strstr(mem[freemem].insn->op4, OPERAND_DELIM);
|
operands = strstr(mem[translate(freemem)].insn->op4, OPERAND_DELIM);
|
*operands = '\0';
|
*operands = '\0';
|
operands++;
|
operands++;
|
}
|
}
|
|
|
#ifdef OR16
|
#ifdef OR16
|
| Line 340... |
Line 391... |
return;
|
return;
|
|
|
/* Is this item a label? If yes, add it to the label table and return immediately. */
|
/* Is this item a label? If yes, add it to the label table and return immediately. */
|
if (strstr(item, LABELEND_CHAR)) {
|
if (strstr(item, LABELEND_CHAR)) {
|
*strstr(item, LABELEND_CHAR) = '\0';
|
*strstr(item, LABELEND_CHAR) = '\0';
|
addlabel(item, freemem);
|
addlabel(item, translate(freemem));
|
return;
|
return;
|
}
|
}
|
|
|
/* Is this item a .directive? If yes, check for some supported
|
/* Is this item a .directive? If yes, check for some supported
|
and then return (even if unsupported found). */
|
and then return (even if unsupported found). */
|
if (item[0] == DIRECTIVE_CHAR) {
|
if (item[0] == DIRECTIVE_CHAR) {
|
if (strcmp(item, ".align") == 0) {
|
if (strcmp(item, ".align") == 0) {
|
int align = strtoul(item2, NULL, 0);
|
int align = strtoul(item2, NULL, 0);
|
if (!(freemem % align))
|
if (!(translate(freemem) % align))
|
return;
|
return;
|
freemem &= -align;
|
freemem &= -align;
|
freemem += align;
|
freemem += align;
|
return;
|
return;
|
} else
|
} else
|
| Line 385... |
Line 436... |
return;
|
return;
|
}
|
}
|
|
|
/* This item can only be an instruction. Get all operands
|
/* This item can only be an instruction. Get all operands
|
and add everything to mem array but as a program. */
|
and add everything to mem array but as a program. */
|
debug("%x: ", freemem);
|
debug("%x: ", translate(freemem));
|
addprogram(item, item2);
|
addprogram(item, item2);
|
|
|
/* Also do static, single stats. */
|
/* Also do static, single stats. */
|
addsstats(item, 0, 1);
|
addsstats(item, 0, 1);
|
|
|
| Line 447... |
Line 498... |
printf(" size: 0x%.8x,", COFF_LONG_H(coffscnhdr.s_size));
|
printf(" size: 0x%.8x,", COFF_LONG_H(coffscnhdr.s_size));
|
printf(" scnptr: 0x%.8x\n", COFF_LONG_H(coffscnhdr.s_scnptr));
|
printf(" scnptr: 0x%.8x\n", COFF_LONG_H(coffscnhdr.s_scnptr));
|
|
|
sectsize = COFF_LONG_H(coffscnhdr.s_size);
|
sectsize = COFF_LONG_H(coffscnhdr.s_size);
|
/* A couple of sanity checks. */
|
/* A couple of sanity checks. */
|
if (COFF_LONG_H(coffscnhdr.s_vaddr) < MEMORY_START) {
|
if (translate(COFF_LONG_H(coffscnhdr.s_vaddr)) < MEMORY_START) {
|
printf("Section %s starts out of ", coffscnhdr.s_name);
|
printf("Section %s starts out of ", coffscnhdr.s_name);
|
printf("memory (at %x)\n", COFF_LONG_H(coffscnhdr.s_vaddr));
|
printf("memory (at %x)\n", COFF_LONG_H(coffscnhdr.s_vaddr));
|
exit(1);
|
exit(1);
|
}
|
}
|
if (COFF_LONG_H(coffscnhdr.s_vaddr) + sectsize >
|
if (translate(COFF_LONG_H(coffscnhdr.s_vaddr) + sectsize) >
|
MEMORY_START + MEMORY_LEN) {
|
MEMORY_START + MEMORY_LEN) {
|
printf("Section %s ends out of ", coffscnhdr.s_name);
|
printf("Section %s ends out of ", coffscnhdr.s_name);
|
printf("memory.\n");
|
printf("memory.\n");
|
exit(1);
|
exit(1);
|
}
|
}
|
| Line 473... |
Line 524... |
exit(1);
|
exit(1);
|
}
|
}
|
|
|
/* loading section */
|
/* loading section */
|
freemem = COFF_LONG_H(coffscnhdr.s_vaddr);
|
freemem = COFF_LONG_H(coffscnhdr.s_vaddr);
|
|
debug("Starting to load at 0x%x", freemem);
|
if (fseek(inputfs, COFF_LONG_H(coffscnhdr.s_scnptr), SEEK_SET) == -1) {
|
if (fseek(inputfs, COFF_LONG_H(coffscnhdr.s_scnptr), SEEK_SET) == -1) {
|
fclose(inputfs);
|
fclose(inputfs);
|
perror("readfile_coff");
|
perror("readfile_coff");
|
exit(1);
|
exit(1);
|
}
|
}
|
| Line 581... |
Line 633... |
FILE *inputfs;
|
FILE *inputfs;
|
struct COFF_filehdr coffhdr;
|
struct COFF_filehdr coffhdr;
|
size_t len;
|
size_t len;
|
|
|
if (!(inputfs = fopen(filename, "r"))) {
|
if (!(inputfs = fopen(filename, "r"))) {
|
perror("identifyfile");
|
fprintf(stderr, "xx %s", filename);
|
|
perror("identifyfile1");
|
|
fflush(stdout);
|
|
fflush(stderr);
|
exit(1);
|
exit(1);
|
}
|
}
|
|
|
if (fread(&coffhdr, sizeof(coffhdr), 1, inputfs) == 1) {
|
if (fread(&coffhdr, sizeof(coffhdr), 1, inputfs) == 1) {
|
if (COFF_SHORT_H(coffhdr.f_magic) == 0x17a) {
|
if (COFF_SHORT_H(coffhdr.f_magic) == 0x17a) {
|
| Line 613... |
Line 668... |
fclose(inputfs);
|
fclose(inputfs);
|
readfile_assembly(filename);
|
readfile_assembly(filename);
|
return;
|
return;
|
}
|
}
|
}
|
}
|
else
|
else {
|
perror("identifyfile");
|
printf("yy %s", filename);
|
|
perror("identifyfile2");
|
|
}
|
|
|
fclose(inputfs);
|
fclose(inputfs);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
void loadcode(char *filename)
|
|
|
/* Loads file to memory starting at address startaddr and returns freemem. */
|
|
unsigned long loadcode(char *filename, unsigned long startaddr, unsigned long virtphy_transl)
|
{
|
{
|
freemem = MEMORY_START;
|
transl_error = 0;
|
memset(mem, 0, sizeof(mem));
|
transl_table = virtphy_transl;
|
|
freemem = startaddr;
|
|
printf("loadcode: filename %s startaddr=%x virtphy_transl=%x", filename, startaddr, virtphy_transl);
|
identifyfile(filename);
|
identifyfile(filename);
|
return;
|
if (transl_error)
|
|
return -1;
|
|
else
|
|
return translate(freemem);
|
}
|
}
|
|
|
No newline at end of file
|
No newline at end of file
|
