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biosdump: Massive code cleanup

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This commit is contained in:
RichardG867
2022-02-19 18:09:00 -03:00
parent 04b9587674
commit 2f2809cc28
1 changed files with 42 additions and 53 deletions
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95
biosdump/biosdump.c
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@@ -19,6 +19,40 @@
#include "clib.h"
static int
dump_range(uint32_t base, uint32_t size, const char *id)
{
char fn[13];
FILE *f;
/* Output the range being dumped. */
printf("Dumping %s BIOS range (%08X-%08X)...", id, base, base + size - 1);
/* Generate file name. */
sprintf(fn, "%08X.DMP", base);
/* Open the dump file. */
f = fopen(fn, "wb");
if (!f) {
printf(" FAILURE\n");
return 1;
}
/* Write the dump. */
if (fwrite((char *) base, 1, size, f) != size) {
printf(" FAILURE\n");
fclose(f);
return 2;
}
/* Finish the dump. */
fclose(f);
printf(" OK\n");
return 0;
}
int
#ifdef STANDARD_MAIN
main(int argc, char *argv[])
@@ -26,63 +60,18 @@ main(int argc, char *argv[])
main(void)
#endif
{
FILE *f;
char *p;
uint32_t size, ret;
int ret;
/* Disable stdout buffering. */
term_unbuffer_stdout();
printf("Dumping low BIOS range (000C0000-000FFFFF)... ");
p = (char *) 0x000c0000;
size = 0x00040000;
f = fopen("000c0000.dmp", "wb");
if (f == NULL) {
printf("FAILURE\n");
return 1;
}
ret = fwrite(p, 1, size, f);
if (ret != size) {
printf("FAILURE\n");
fclose(f);
return 2;
}
fclose(f);
printf("OK\n\n");
printf("Dumping mid BIOS range (00FE0000-00FFFFFF)... ");
p = (char *) 0x00fe0000;
size = 0x00020000;
f = fopen("00fe0000.dmp", "wb");
if (f == NULL) {
printf("FAILURE\n");
return 3;
}
ret = fwrite(p, 1, size, f);
if (ret != size) {
printf("FAILURE\n");
fclose(f);
return 4;
}
fclose(f);
printf("OK\n\n");
printf("Dumping high BIOS range (FFF80000-FFFFFFFF)... ");
p = (char *) 0xfff80000;
size = 0x00080000;
f = fopen("fff80000.dmp", "wb");
if (f == NULL) {
printf("FAILURE\n");
return 5;
}
ret = fwrite(p, 1, size, f);
if (ret != size) {
printf("FAILURE\n");
fclose(f);
return 6;
}
fclose(f);
printf("OK\n");
/* Dump ranges. */
if ((ret = dump_range(0x000c0000, 0x00040000, "low")))
return ret;
if ((ret = dump_range(0x00fe0000, 0x00020000, "mid")))
return 2 + ret;
if ((ret = dump_range(0xfff80000, 0x00080000, "high")))
return 4 + ret;
return 0;
}