2009-02-09 21:15:56 +00:00
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#include <tamtypes.h>
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#include "romdir.h"
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static void Kputc(u8 c) {
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*((u8*)0x1f80380c) = c;
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}
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static void Kputs(u8 *s) {
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while (*s != 0) {
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Kputc(*s++);
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}
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}
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static void Kmemcpy(void *dest, const void *src, int n) {
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const u8 *s = (u8*)src;
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u8 *d = (u8*)dest;
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while (n) {
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*d++ = *s++; n--;
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}
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}
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static void _iopstart() {
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struct rominfo ri;
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u8 *str;
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// setup iop
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*(char*)0xbf802070 = 9;
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*(int*)0xfffe0130 = 0xcc4;
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*(int*)0xfffe0130 = 0xcc0;
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if( (*(int*)0xbf801450) & 8 )
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*(int*)0xfffe0130 = 0x1e988;
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else
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*(int*)0xfffe0130 = 0x1edd8;
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romdirGetFile("ROMVER", &ri);
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str = (u8*)(0xbfc00000 + ri.fileOffset);
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Kputs("iopstart: fps2bios v");
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Kputc(str[1]); Kputc('.'); Kputc(str[3]); Kputc('\n');
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// note, IOPBOOT has to be linked at location ri.fileOffset=0x600!!
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romdirGetFile("IOPBOOT", &ri);
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Kputs("_iopstart: loading IOPBOOT to 0xbfc0a180\n");
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//Kmemcpy((void*)0x80000000, (void*)(0xbfc00000 + ri.fileOffset), ri.fileSize);
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__asm__ (
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"li $a0, 2\n" // 2Mb
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"move $a1, $0\n"
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"move $a2, $0\n"
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"move $a3, $0\n"
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"move $26, %0\n"
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"jr $26\n"
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"nop\n" : : "r"(0xbfc00000+ri.fileOffset));
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for (;;);
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}
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__asm__ (
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".global iopstart\n"
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"iopstart:\n"
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"li $sp, 0x001fffc0\n" // (2<<20)-0x40
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"move $fp, $sp\n"
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"j _iopstart\n"
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"nop\n");
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