DebuggerDriver.c matching in version 0

This commit is contained in:
Rainchus 2025-03-16 14:22:42 -05:00
parent 5c40f5a849
commit 91d6eb5428
2 changed files with 350 additions and 4 deletions

View File

@ -252,12 +252,10 @@ cflags_trk = [
cflags_odemuexi = [
*cflags_base,
"-inline auto,deferred"
# TODO figure out flags
]
if version_num > 0:
cflags_odemuexi.append("-inline auto,deferred")
cflags_amcstub = [
*cflags_base,
"-inline auto,deferred",
@ -805,7 +803,7 @@ config.libs = [
"cflags": cflags_odemuexi,
"host": False,
"objects": [
Object(MatchingFor("GMPE01_01"), "OdemuExi2/DebuggerDriver.c"),
Object(MatchingFor("GMPE01_00", "GMPE01_01"), "OdemuExi2/DebuggerDriver.c"),
],
},
{

View File

@ -1,3 +1,347 @@
#if VERSION == 0
#include <dolphin/exi.h>
#include <dolphin/hw_regs.h>
#include <dolphin/os.h>
typedef void (*MTRCallbackType)(int);
static MTRCallbackType MTRCallback;
static void (*DBGCallback)(u32, OSContext *);
static u32 SendMailData;
static s32 RecvDataLeng;
static u8 *pEXIInputFlag;
static u8 EXIInputFlag;
static u8 SendCount = 0x80;
#define IS_TRUE(x) ((x) != FALSE)
#define IS_FALSE(x) !IS_TRUE(x)
#define ROUND_UP(x, align) (((x) + (align)-1) & (-(align)))
// functions
static void CheckMailBox(void);
static void MWCallback(u32 a, OSContext *b);
static void DBGHandler(s16 a, OSContext *b);
static u32 DBGEXISelect(u32 v);
static void DBGEXIInit();
void DBClose(void) { }
void DBOpen(void) { }
BOOL DBWrite(void *src, u32 size)
{
u32 v;
u32 busyFlag;
BOOL interrupts = OSDisableInterrupts();
do {
_DBGReadStatus(&busyFlag);
} while (busyFlag & 2);
SendCount++;
v = ((SendCount & 1) ? 0x1000 : 0);
while (!DBGWrite(v | 0x1c000, src, ROUND_UP(size, 4)))
;
do {
_DBGReadStatus(&busyFlag);
} while (busyFlag & 2);
v = SendCount;
while (!DBGWriteMailbox((0x1f000000) | v << 0x10 | size))
;
do {
while (!_DBGReadStatus(&busyFlag))
;
} while (busyFlag & 2);
OSRestoreInterrupts(interrupts);
return 0;
}
BOOL DBRead(u32 *buffer, s32 count)
{
u32 interrupts = OSDisableInterrupts();
u32 v = SendMailData & 0x10000 ? 0x1000 : 0;
DBGRead(v + 0x1e000, buffer, ROUND_UP(count, 4));
RecvDataLeng = 0;
EXIInputFlag = 0;
OSRestoreInterrupts(interrupts);
return 0;
}
u32 DBQueryData(void)
{
BOOL interrupts;
EXIInputFlag = 0;
if (!RecvDataLeng) {
interrupts = OSDisableInterrupts();
CheckMailBox();
#if VERSION > 0
OSRestoreInterrupts(interrupts);
}
#else
}
OSRestoreInterrupts(interrupts);
#endif
return RecvDataLeng;
}
static void CheckMailBox(void)
{
u32 v;
DBGReadStatus(&v);
if (v & 1) {
DBGReadMailbox(&v);
v &= 0x1fffffff;
if ((v & 0x1f000000) == 0x1f000000) {
SendMailData = v;
RecvDataLeng = v & 0x7fff;
EXIInputFlag = 1;
}
}
}
void DBInitInterrupts(void)
{
__OSMaskInterrupts(0x18000);
__OSMaskInterrupts(0x40);
DBGCallback = &MWCallback;
__OSSetInterruptHandler(0x19, DBGHandler);
__OSUnmaskInterrupts(0x40);
}
void DBInitComm(u8 **a, MTRCallbackType b)
{
BOOL interrupts = OSDisableInterrupts();
{
pEXIInputFlag = (u8 *)EXIInputFlag;
pEXIInputFlag = &EXIInputFlag;
*a = pEXIInputFlag;
MTRCallback = b;
DBGEXIInit();
}
OSRestoreInterrupts(interrupts);
}
static void DBGHandler(s16 a, OSContext *b)
{
*__PIRegs = 0x1000;
if (DBGCallback) {
DBGCallback(a, b);
}
}
static void MWCallback(u32 a, OSContext *b)
{
EXIInputFlag = TRUE;
if (MTRCallback) {
MTRCallback(0);
}
}
#pragma push
#pragma dont_inline on
static BOOL DBGReadStatus(u32 *p1)
{
return _DBGReadStatus(p1);
}
#pragma pop
static BOOL _DBGReadStatus(u32 *p1)
{
BOOL total = FALSE;
u32 v;
DBGEXISelect(4);
v = 0x40000000;
total |= !(DBGEXIImm(&v, 2, 1));
total |= !(DBGEXISync());
total |= !(DBGEXIImm(p1, 4, 0));
total |= !(DBGEXISync());
total |= !(DBGEXIDeselect());
return !(total);
}
static BOOL DBGWrite(u32 count, void *buffer, s32 param3)
{
BOOL total = FALSE;
u32 *buf_p = (u32 *)buffer;
u32 v1;
u32 v;
DBGEXISelect(4);
v1 = (count & 0x1fffc) << 8 | 0xa0000000;
total |= IS_FALSE(DBGEXIImm(&v1, sizeof(v1), 1));
total |= IS_FALSE(DBGEXISync());
while (param3 != 0) {
v = *buf_p++;
total |= IS_FALSE(DBGEXIImm(&v, sizeof(v), 1));
total |= IS_FALSE(DBGEXISync());
param3 -= 4;
if (param3 < 0) {
param3 = 0;
}
}
total |= IS_FALSE(DBGEXIDeselect());
return IS_FALSE(total);
}
static BOOL DBGRead(u32 count, u32 *buffer, s32 param3)
{
BOOL total = FALSE;
u32 *buf_p = (u32 *)buffer;
u32 v1;
u32 v;
DBGEXISelect(4);
v1 = (count & 0x1fffc) << 8 | 0x20000000;
total |= IS_FALSE(DBGEXIImm(&v1, sizeof(v1), 1));
total |= IS_FALSE(DBGEXISync());
while (param3) {
total |= IS_FALSE(DBGEXIImm(&v, sizeof(v), 0));
total |= IS_FALSE(DBGEXISync());
*buf_p++ = v;
param3 -= 4;
if (param3 < 0) {
param3 = 0;
}
}
total |= IS_FALSE(DBGEXIDeselect());
return IS_FALSE(total);
}
#pragma push
#pragma dont_inline on
static BOOL DBGReadMailbox(u32 *p1)
{
long cmd;
long v;
DBGEXISelect(4);
v = 0x60000000;
cmd = 0;
cmd |= !(DBGEXIImm(&v, 2, 1));
cmd |= !(DBGEXISync());
cmd |= !(DBGEXIImm(p1, 4, 0));
cmd |= !(DBGEXISync());
cmd |= !(DBGEXIDeselect());
return !(cmd);
}
#pragma pop
static BOOL DBGWriteMailbox(u32 p1)
{
u32 cmd = 0xc0000000;
u32 v;
u32 base = p1;
BOOL total = FALSE;
DBGEXISelect(4);
v = (base & 0x1fffffff) | (cmd);
total |= IS_FALSE(DBGEXIImm(&v, sizeof(v), 1));
total |= IS_FALSE(DBGEXISync());
total |= IS_FALSE(DBGEXIDeselect());
return IS_FALSE(total);
}
static BOOL DBGEXIImm(void *buffer, s32 bytecounter, u32 write)
{
u8 *tempPointer;
u32 writeOutValue;
int i;
if (write) {
tempPointer = buffer;
writeOutValue = 0;
for (i = 0; i < bytecounter; i++) {
u8 *temp = ((u8 *)buffer) + i;
writeOutValue |= *temp << ((3 - i) << 3);
}
__EXIRegs[14] = writeOutValue;
}
__EXIRegs[13] = 1 | write << 2 | (bytecounter - 1) << 4;
DBGEXISync();
if (!write) {
writeOutValue = __EXIRegs[14];
tempPointer = buffer;
for (i = 0; i < bytecounter; i++) {
*tempPointer++ = writeOutValue >> ((3 - i) << 3);
}
}
return TRUE;
}
static BOOL DBGEXISync()
{
while (__EXIRegs[13] & 1)
;
return TRUE;
}
static BOOL DBGEXIDeselect(void)
{
__EXIRegs[10] &= 0x405;
return TRUE;
}
static u32 DBGEXISelect(u32 v)
{
u32 regs = __EXIRegs[10];
regs &= 0x405;
regs |= 0x80 | (v << 4);
__EXIRegs[10] = regs;
return TRUE;
}
static void DBGEXIInit()
{
__OSMaskInterrupts(0x18000);
__EXIRegs[10] = 0;
}
#elif VERSION == 1
#include <dolphin/exi.h>
#include <dolphin/hw_regs.h>
#include <dolphin/os.h>
@ -328,3 +672,7 @@ BOOL DBWrite(void *src, u32 size)
void DBOpen(void) { }
void DBClose(void) { }
#else
#endif