prime/src/Dolphin/os/__ppc_eabi_init.cpp
Phillip Stephens feff8c6ec3 Merge text_80008894_80009144.s back into main.s
Former-commit-id: fb95ae4748db66694fff57f283a6493606aa96ea
2022-09-07 22:01:54 -07:00

68 lines
1.1 KiB
C++

#include "dolphin/__ppc_eabi_init.h"
#include "dolphin/PPCArch.h"
#ifdef __cplusplus
extern "C" {
#endif
void __OSPSInit();
void __OSCacheInit();
asm void __init_hardware(void) {
// clang-format off
nofralloc
mfmsr r0
ori r0, r0, 0x2000
mtmsr r0
mflr r31
bl __OSPSInit
bl __OSCacheInit
mtlr r31
blr
// clang-format on
}
asm void __flush_cache(register void* address, register unsigned int size) {
// clang-format off
nofralloc
lis r5, ~0
ori r5, r5, ~14
and r5, r5, r3
subf r3, r5, r3
add r4, r4, r3
loop:
dcbst r0, r5
sync
icbi r0, r5
addic r5, r5, 8
subic. r4, r4, 8
bge loop
isync
blr
// clang-format on
}
void __init_user() { __init_cpp(); }
typedef void (*voidfunctionptr)(void); // pointer to function returning void
__declspec(section ".init") extern voidfunctionptr _ctors[];
__declspec(section ".init") extern voidfunctionptr _dtors[];
void __init_cpp(void) {
voidfunctionptr* constructor;
/*
* call static initializers
*/
for (constructor = _ctors; *constructor; constructor++) {
(*constructor)();
}
}
void _ExitProcess(void) { PPCHalt(); }
#ifdef __cplusplus
}
#endif