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feat(decomp): main — §295 kernel-trap template sweep: ResetEntryInt, HookEntryInt, read, SysEnqIntRP banked (4 fns, 16 ins) via gate_main clean rebuild, main SHA 143dbb89 byte-identical (P31 T1, frontier-s61 addendum)

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Drew T
2026-08-26 13:53:56 -06:00
parent 528f543d84
commit 80124c6810
1 changed files with 40 additions and 4 deletions
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src/800c3.c
+40 -4
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@@ -133,9 +133,27 @@ __asm__(
"nop\n"
);
INCLUDE_ASM("asm/nonmatchings/800c3", ResetEntryInt);
/* §295 kernel-trap trampoline: A/B/C dispatch vector in $t2, syscall # in the jr delay slot;
* unreachable from C (§179-C) -> file-scope verbatim asm (§265 form 1). Pad nop is load-bearing (stride 0x10). */
__asm__(".text\n.align 2\n.globl ResetEntryInt\n.ent\tResetEntryInt\n"
"ResetEntryInt:\n.frame $sp,0,$31\n.mask 0x00000000,0\n.fmask 0x00000000,0\n"
".set\tnoreorder\n"
"addiu $t2, $zero, 176\n"
"jr $t2\n"
"addiu $t1, $zero, 24\n"
"nop\n"
".set\treorder\n.end\tResetEntryInt\n");
INCLUDE_ASM("asm/nonmatchings/800c3", HookEntryInt);
/* §295 kernel-trap trampoline: A/B/C dispatch vector in $t2, syscall # in the jr delay slot;
* unreachable from C (§179-C) -> file-scope verbatim asm (§265 form 1). Pad nop is load-bearing (stride 0x10). */
__asm__(".text\n.align 2\n.globl HookEntryInt\n.ent\tHookEntryInt\n"
"HookEntryInt:\n.frame $sp,0,$31\n.mask 0x00000000,0\n.fmask 0x00000000,0\n"
".set\tnoreorder\n"
"addiu $t2, $zero, 176\n"
"jr $t2\n"
"addiu $t1, $zero, 25\n"
"nop\n"
".set\treorder\n.end\tHookEntryInt\n");
void func_8005CF08(void) {
__asm__ volatile(
@@ -153,7 +171,16 @@ void func_8005CF18() {
);
}
INCLUDE_ASM("asm/nonmatchings/800c3", read);
/* §295 kernel-trap trampoline: A/B/C dispatch vector in $t2, syscall # in the jr delay slot;
* unreachable from C (§179-C) -> file-scope verbatim asm (§265 form 1). Pad nop is load-bearing (stride 0x10). */
__asm__(".text\n.align 2\n.globl read\n.ent\tread\n"
"read:\n.frame $sp,0,$31\n.mask 0x00000000,0\n.fmask 0x00000000,0\n"
".set\tnoreorder\n"
"addiu $t2, $zero, 176\n"
"jr $t2\n"
"addiu $t1, $zero, 52\n"
"nop\n"
".set\treorder\n.end\tread\n");
__asm__(".text\n.align 2\n.globl write\n.ent\twrite\n"
"write:\n.frame $sp,0,$31\n"
@@ -836,7 +863,16 @@ __asm__(
"nop\n"
);
INCLUDE_ASM("asm/nonmatchings/800c3", SysEnqIntRP);
/* §295 kernel-trap trampoline: A/B/C dispatch vector in $t2, syscall # in the jr delay slot;
* unreachable from C (§179-C) -> file-scope verbatim asm (§265 form 1). Pad nop is load-bearing (stride 0x10). */
__asm__(".text\n.align 2\n.globl SysEnqIntRP\n.ent\tSysEnqIntRP\n"
"SysEnqIntRP:\n.frame $sp,0,$31\n.mask 0x00000000,0\n.fmask 0x00000000,0\n"
".set\tnoreorder\n"
"addiu $t2, $zero, 192\n"
"jr $t2\n"
"addiu $t1, $zero, 2\n"
"nop\n"
".set\treorder\n.end\tSysEnqIntRP\n");
__asm__(
".text\n"