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#include <windows.h>
#include <stdio.h>
BOOL WINAPI VirtualCopy(LPVOID lpvDest, LPVOID lpvSrc, DWORD cbSize, DWORD fdwProtect);
enum {
PAGESIZE = 0x10000,
};
static BOOL writefile(const void *p, unsigned size, const wchar_t *fname)
{
FILE *f = 0;
const char *pb = p;
BOOL ret = FALSE;
f = _wfopen(fname, L"wb");
if (!f) {
wprintf(L"\nError: fopen failed! Aborting.\n");
goto cleanup;
}
while (size) {
const unsigned wsize = (size < PAGESIZE) ? size : PAGESIZE;
if (fwrite(pb, 1, wsize, f) != wsize) {
wprintf(L"\nError: fwrite failed! Aborting.\n");
goto cleanup;
}
wprintf(L".");
fflush(stdout);
pb += wsize;
size -= wsize;
}
ret = TRUE;
cleanup:
if (f) fclose(f);
return ret;
}
struct data {
unsigned addr;
unsigned size;
const wchar_t *name;
};
const struct data roms[] = {
{0x00000000, 0x02000000, L"rom.dat"}, // 0x0000_0000 - 0x01ff_ffff
{0x0c000000, 0x00400000, L"flash.dat"}, // 0x0c00_0000 - 0x0c3f_ffff
{0, 0, 0},
};
int wmain(int argc, wchar_t **argv)
{
wchar_t fname[MAX_PATH];
wchar_t *pathend;
const struct data *i;
if (!GetModuleFileName(0, fname, MAX_PATH)) {
wprintf(L"Error: Cannot get executable file path! Aborting.\n");
goto end;
}
pathend = wcsrchr(fname, L'\\');
if (!pathend) {
wprintf(L"Error: Cannot get directory to write rom files! Aborting\n");
goto end;
}
for (i = roms; i->name; i++) {
void *p;
/* too lazy to check string length */
pathend[1] = 0;
wcscat(fname, i->name);
wprintf(L"Dumping %ls", fname);
fflush(stdout);
p = VirtualAlloc(0, i->size, MEM_RESERVE, PAGE_NOACCESS);
if (!p) {
wprintf(L"\nError: VirtualAlloc failed! Aborting.\n");
goto end;
}
if (!VirtualCopy(p, (void *)(i->addr >> 8), i->size, PAGE_READONLY | PAGE_PHYSICAL)) {
wprintf(L"\nError: VirtualCopy failed! Aborting.\n");
goto end;
}
if (!writefile(p, i->size, fname)) return 1;
wprintf(L"OK!\n");
}
end:
wprintf(L"Press enter to continue...\n");
getwchar();
return 0;
}
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