pcsx2/fps2bios/kernel/eestart.c

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#include <tamtypes.h>
#include "romdir.h"
static void Kputc(u8 c) {
*((u8*)0x1000f180) = c;
}
static void Kputs(u8 *s) {
while (*s != 0) {
Kputc(*s++);
}
}
static void Kmemcpy(void *dest, const void *src, int n) {
const u8 *s = (u8*)src;
u8 *d = (u8*)dest;
while (n > 0) {
*d++ = *s++; n--;
}
}
void _eestart() {
struct rominfo ri;
u8 *str;
romdirGetFile("ROMVER", &ri);
str = (u8*)(0xbfc00000 + ri.fileOffset);
Kputs("fps2bios v");
Kputc(str[1]); Kputc('.'); Kputc(str[3]); Kputc('\n');
romdirGetFile("EELOAD", &ri);
Kputs("loading EELOAD to 0x80000000\n");
Kmemcpy((void*)0x80000000, (void*)(0xbfc00000 + ri.fileOffset), ri.fileSize);
__asm__ (
"li $26, 0x80001000\n"
"jr $26\n");
for (;;);
}
__asm__ (
".global eestart\n"
"eestart:\n"
"li $sp, 0x80010000\n"
"j _eestart\n");