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ppcmmu: better fatal error handling with ABORT_F.

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This commit is contained in:
Maxim Poliakovski 2021-09-25 10:26:28 +02:00
parent 501f24f0d3
commit 5b54cd69ef
2 changed files with 25 additions and 19 deletions
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28
cpu/ppc/ppcmmu.cpp
View File

@ -327,8 +327,7 @@ uint8_t* mmu_get_dma_mem(uint32_t addr, uint32_t size) {
last_dma_area.mem_ptr = entry->mem_ptr;
return last_dma_area.mem_ptr + (addr - last_dma_area.start);
} else {
LOG_F(ERROR, "SOS: DMA access to unmapped memory %08X!\n", addr);
exit(-1); // FIXME: ugly error handling, must be the proper exception!
ABORT_F("SOS: DMA access to unmapped memory %08X!\n", addr);
}
}
}
@ -458,8 +457,7 @@ static inline uint8_t* calc_pteg_addr(uint32_t hash) {
last_ptab_area.mem_ptr = entry->mem_ptr;
return last_ptab_area.mem_ptr + (pteg_addr - last_ptab_area.start);
} else {
LOG_F(ERROR, "SOS: no page table region was found at %08X!\n", pteg_addr);
exit(-1); // FIXME: ugly error handling, must be the proper exception!
ABORT_F("SOS: no page table region was found at %08X!\n", pteg_addr);
}
}
}
@ -479,8 +477,7 @@ static bool search_pteg(
if (pte_check == READ_DWORD_BE_A(pteg_addr)) {
if (match_found) {
if ((READ_DWORD_BE_A(pteg_addr) & 0xFFFFF07B) != pte_word2_check) {
LOG_F(ERROR, "Multiple PTEs with different RPN/WIMG/PP found!\n");
exit(-1);
ABORT_F("Multiple PTEs with different RPN/WIMG/PP found!\n");
}
} else {
/* isolate RPN, WIMG and PP fields */
@ -510,8 +507,7 @@ static PATResult page_address_translation(uint32_t la, bool is_instr_fetch,
sr_val = ppc_state.sr[(la >> 28) & 0x0F];
if (sr_val & 0x80000000) {
LOG_F(ERROR, "Direct-store segments not supported, LA=%0xX\n", la);
exit(-1); // FIXME: ugly error handling, must be the proper exception!
ABORT_F("Direct-store segments not supported, LA=%0xX\n", la);
}
/* instruction fetch from a no-execute segment will cause ISI exception */
@ -923,11 +919,8 @@ static TLBEntry* dtlb2_refill(uint32_t guest_va, int is_write)
if (bat_res.hit) {
// check block protection
if (!bat_res.prot || ((bat_res.prot & 1) && is_write)) {
LOG_F(WARNING, "BAT DSI exception in TLB2 refill!");
LOG_F(WARNING, "Attempt to write to read-only region, LA=0x%08X, PC=0x%08X!", guest_va, ppc_state.pc);
//UnmappedMem.tag = tag;
//UnmappedMem.host_va_offset = (int64_t)(&UnmappedVal) - guest_va;
//return &UnmappedMem;
LOG_F(9, "BAT DSI exception in TLB2 refill!");
LOG_F(9, "Attempt to write to read-only region, LA=0x%08X, PC=0x%08X!", guest_va, ppc_state.pc);
ppc_state.spr[SPR::DSISR] = 0x08000000 | (is_write << 25);
ppc_state.spr[SPR::DAR] = guest_va;
mmu_exception_handler(Except_Type::EXC_DSI, 0);
@ -1535,8 +1528,7 @@ void mem_write_qword(uint32_t addr, uint64_t value) {
mmu_write_vmem<uint64_t>(addr, value);
if (addr & 7) {
LOG_F(ERROR, "SOS! Attempt to write unaligned QWORD to 0x%08X\n", addr);
exit(-1); // FIXME!
ABORT_F("SOS! Attempt to write unaligned QWORD to 0x%08X\n", addr);
}
/* data address translation if enabled */
@ -1593,8 +1585,7 @@ uint64_t mem_grab_qword(uint32_t addr) {
tlb_translate_addr(addr);
if (addr & 7) {
LOG_F(ERROR, "SOS! Attempt to read unaligned QWORD at 0x%08X\n", addr);
exit(-1); // FIXME!
ABORT_F("SOS! Attempt to read unaligned QWORD at 0x%08X\n", addr);
}
/* data address translation if enabled */
@ -1675,8 +1666,7 @@ uint8_t* quickinstruction_translate(uint32_t addr) {
real_addr = last_exec_area.mem_ptr + (addr - last_exec_area.start);
ppc_set_cur_instruction(real_addr);
} else {
LOG_F(WARNING, "attempt to execute code at %08X!\n", addr);
exit(-1); // FIXME: ugly error handling, must be the proper exception!
ABORT_F("Attempt to execute code at %08X!\n", addr);
}
}

16
main.cpp
View File

@ -50,6 +50,12 @@ void sigint_handler(int signum) {
exit(0);
}
void sigabrt_handler(int signum) {
LOG_F(INFO, "Shutting down...");
delete gMachineObj.release();
}
static string appDescription = string(
"\nDingusPPC - Prototype 5bf5 (8/23/2020) "
"\nWritten by divingkatae and maximumspatium "
@ -171,9 +177,19 @@ int main(int argc, char** argv) {
goto bail;
}
// graceful handling of fatal errors
loguru::set_fatal_handler([](const loguru::Message& message) {
enter_debugger();
abort();
});
// redirect SIGINT to our own handler
signal(SIGINT, sigint_handler);
// redirect SIGABRT to our own handler
signal(SIGABRT, sigabrt_handler);
#ifdef SDL
if (SDL_Init(SDL_INIT_AUDIO)){
LOG_F(ERROR, "SDL_Init error: %s", SDL_GetError());