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Catch these cases, maybe we are missing something

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SimoneN64
2023-11-08 23:59:36 +01:00
parent 91b0c33208
commit c82841f0fd
4 changed files with 33 additions and 48 deletions
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75
src/backend/core/mmio/PI.cpp
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@@ -58,13 +58,11 @@ auto PI::BusRead8(Mem& mem, u32 addr) -> u8 {
switch (addr) {
case REGION_PI_UNKNOWN:
//Util::warn("Reading byte from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
Util::panic("Reading byte from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN - This is the N64DD, returning FF because it is not emulated", addr);
case REGION_PI_64DD_REG:
//Util::warn("Reading byte from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
Util::panic("Reading byte from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG - This is the N64DD, returning FF because it is not emulated", addr);
case REGION_PI_64DD_ROM:
//Util::warn("Reading byte from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM - This is the N64DD, returning FF because it is not emulated", addr);
Util::warn("Reading byte from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
case REGION_PI_SRAM:
return mem.BackupRead8(addr - SREGION_PI_SRAM);
@@ -75,7 +73,7 @@ auto PI::BusRead8(Mem& mem, u32 addr) -> u8 {
}
u32 index = BYTE_ADDRESS(addr) - SREGION_PI_ROM;
if (index > mem.rom.size) {
//Util::warn("Address 0x{:08X} accessed an index {}/0x{:X} outside the bounds of the ROM! ({}/0x{:016X})", addr, index, index, mem.rom.size, mem.rom.size);
Util::warn("Address 0x{:08X} accessed an index {}/0x{:X} outside the bounds of the ROM! ({}/0x{:016X})", addr, index, index, mem.rom.size, mem.rom.size);
return 0xFF;
}
return mem.rom.cart[index];
@@ -100,18 +98,16 @@ void PI::BusWrite8(Mem& mem, u32 addr, u32 val) {
switch (addr) {
case REGION_PI_UNKNOWN:
//Util::warn("Writing byte 0x{:02X} to address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", val, addr);
return;
Util::panic("Writing byte 0x{:02X} to address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", val, addr);
case REGION_PI_64DD_REG:
if (addr == 0x05000020) {
fprintf(stderr, "%c", val);
} else {
//Util::warn("Writing byte 0x{:02X} to address 0x{:08X} in region: REGION_PI_64DD_ROM, this is the 64DD, ignoring!", val, addr);
Util::panic("Writing byte 0x{:02X} to address 0x{:08X} in region: REGION_PI_64DD_ROM, this is the 64DD, ignoring!", val, addr);
}
return;
case REGION_PI_64DD_ROM:
//Util::warn("Writing byte 0x{:02X} to address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", val, addr);
return;
Util::panic("Writing byte 0x{:02X} to address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", val, addr);
case REGION_PI_SRAM:
mem.BackupWrite8(addr - SREGION_PI_SRAM, val);
return;
@@ -133,14 +129,11 @@ auto PI::BusRead16(Mem& mem, u32 addr) -> u16 {
switch (addr) {
case REGION_PI_UNKNOWN:
//Util::warn("Reading half from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
Util::panic("Reading half from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN - This is the N64DD, returning FF because it is not emulated", addr);
case REGION_PI_64DD_REG:
//Util::warn("Reading half from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
Util::panic("Reading half from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG - This is the N64DD, returning FF because it is not emulated", addr);
case REGION_PI_64DD_ROM:
//Util::warn("Reading half from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
Util::panic("Reading half from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM - This is the N64DD, returning FF because it is not emulated", addr);
case REGION_PI_SRAM:
Util::panic("Reading half from address 0x{:08X} in unsupported region: REGION_PI_SRAM", addr);
case REGION_PI_ROM: {
@@ -156,27 +149,23 @@ auto PI::BusRead16(Mem& mem, u32 addr) -> u16 {
}
}
void PI::BusWrite16(Mem& mem, u32 addr, u16 val) {
void PI::BusWrite16(u32 addr, u16 val) {
if (!WriteLatch(val << 16)) [[unlikely]] {
return;
}
switch (addr) {
case REGION_PI_UNKNOWN:
//Util::warn("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", val, addr);
return;
Util::panic("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", val, addr);
case REGION_PI_64DD_REG:
//Util::warn("Writing half 0x{:04X} to address 0x{:08X} in region: REGION_PI_64DD_ROM, this is the 64DD, ignoring!", val, addr);
return;
Util::panic("Writing half 0x{:04X} to address 0x{:08X} in region: REGION_PI_64DD_ROM, this is the 64DD, ignoring!", val, addr);
case REGION_PI_64DD_ROM:
//Util::warn("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", val, addr);
return;
Util::panic("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", val, addr);
case REGION_PI_SRAM:
//Util::warn("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_SRAM", val, addr);
return;
Util::panic("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_SRAM", val, addr);
case REGION_PI_ROM:
//Util::warn("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_ROM", val, addr);
return;
Util::warn("Writing half 0x{:04X} to address 0x{:08X} in unsupported region: REGION_PI_ROM", val, addr);
break;
default:
Util::panic("Should never end up here! Access to address {:08X} which did not match any PI bus regions!", addr);
}
@@ -189,13 +178,13 @@ auto PI::BusRead32(Mem& mem, u32 addr) -> u32 {
switch (addr) {
case REGION_PI_UNKNOWN:
//Util::warn("Reading word from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN - This is the N64DD, returning FF because it is not emulated", addr);
Util::warn("Reading word from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
case REGION_PI_64DD_REG:
//Util::warn("Reading word from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG - This is the N64DD, returning FF because it is not emulated", addr);
Util::warn("Reading word from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
case REGION_PI_64DD_ROM:
//Util::warn("Reading word from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM - This is the N64DD, returning FF because it is not emulated", addr);
Util::warn("Reading word from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM - This is the N64DD, returning FF because it is not emulated", addr);
return 0xFF;
case REGION_PI_SRAM:
return mem.BackupRead32();
@@ -208,7 +197,7 @@ auto PI::BusRead32(Mem& mem, u32 addr) -> u32 {
case CART_ISVIEWER_FLUSH:
Util::panic("Read from ISViewer flush!");
}
//Util::warn("Address 0x{:08X} accessed an index {}/0x{:X} outside the bounds of the ROM!", addr, index, index);
Util::warn("Address 0x{:08X} accessed an index {}/0x{:X} outside the bounds of the ROM!", addr, index, index);
return 0;
} else {
return Util::ReadAccess<u32>(mem.rom.cart, index);
@@ -225,19 +214,19 @@ void PI::BusWrite32(Mem& mem, u32 addr, u32 val) {
if (!WriteLatch(val)) [[unlikely]] {
return;
}
//Util::warn("Writing word 0x{:08X} to address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", val, addr);
Util::warn("Writing word 0x{:08X} to address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", val, addr);
return;
case REGION_PI_64DD_REG:
if (!WriteLatch(val)) [[unlikely]] {
return;
}
//Util::warn("Writing word 0x{:08X} to address 0x{:08X} in region: REGION_PI_64DD_ROM, this is the 64DD, ignoring!", val, addr);
Util::warn("Writing word 0x{:08X} to address 0x{:08X} in region: REGION_PI_64DD_ROM, this is the 64DD, ignoring!", val, addr);
return;
case REGION_PI_64DD_ROM:
if (!WriteLatch(val)) [[unlikely]] {
return;
}
//Util::warn("Writing word 0x{:08X} to address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", val, addr);
Util::warn("Writing word 0x{:08X} to address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", val, addr);
return;
case REGION_PI_SRAM:
if (!WriteLatch(val)) [[unlikely]] {
@@ -266,7 +255,7 @@ void PI::BusWrite32(Mem& mem, u32 addr, u32 val) {
if (!WriteLatch(val)) [[unlikely]] {
return;
}
//Util::warn("Writing word 0x{:08X} to address 0x{:08X} in unsupported region: REGION_PI_ROM", val, addr);
Util::warn("Writing word 0x{:08X} to address 0x{:08X} in unsupported region: REGION_PI_ROM", val, addr);
}
return;
default:
@@ -281,17 +270,13 @@ auto PI::BusRead64(Mem& mem, u32 addr) -> u64 {
switch (addr) {
case REGION_PI_UNKNOWN:
//Util::warn("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", addr);
return 0xFFFFFFFFFFFFFFFF;
Util::panic("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_UNKNOWN", addr);
case REGION_PI_64DD_REG:
//Util::warn("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG", addr);
return 0xFFFFFFFFFFFFFFFF;
Util::panic("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_64DD_REG", addr);
case REGION_PI_64DD_ROM:
//Util::warn("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", addr);
return 0xFFFFFFFFFFFFFFFF;
Util::panic("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_64DD_ROM", addr);
case REGION_PI_SRAM:
//Util::warn("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_SRAM", addr);
return 0xFFFFFFFFFFFFFFFF;
Util::panic("Reading dword from address 0x{:08X} in unsupported region: REGION_PI_SRAM", addr);
case REGION_PI_ROM: {
u32 index = addr - SREGION_PI_ROM;
if (index > mem.rom.size - 7) { // -7 because we're reading an entire dword
@@ -319,7 +304,7 @@ void PI::BusWrite64(Mem& mem, u32 addr, u64 val) {
case REGION_PI_SRAM:
Util::panic("Writing dword 0x{:016X} to address 0x{:08X} in unsupported region: REGION_PI_SRAM", val, addr);
case REGION_PI_ROM:
//Util::warn("Writing dword 0x{:016X} to address 0x{:08X} in unsupported region: REGION_PI_ROM", val, addr);
Util::warn("Writing dword 0x{:016X} to address 0x{:08X} in unsupported region: REGION_PI_ROM", val, addr);
break;
default:
Util::panic("Should never end up here! Access to address %08X which did not match any PI bus regions!", addr);