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COS: Implement PPC va_list, va_arg and update related functions

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This commit is contained in:
Exzap 2024-08-13 01:00:49 +02:00
parent 9812a47cb1
commit e02cc42d67
5 changed files with 182 additions and 71 deletions
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83
src/Cafe/OS/common/OSCommon.h
View File

@ -23,3 +23,86 @@ void osLib_returnFromFunction64(PPCInterpreter_t* hCPU, uint64 returnValue64);
// utility functions
#include "Cafe/OS/common/OSUtil.h"
// va_list
struct ppc_va_list
{
uint8be gprIndex;
uint8be fprIndex;
uint8be _padding2[2];
MEMPTR<uint8be> overflow_arg_area;
MEMPTR<uint8be> reg_save_area;
};
static_assert(sizeof(ppc_va_list) == 0xC);
struct ppc_va_list_reg_storage
{
uint32be gpr_save_area[8]; // 32 bytes, r3 to r10
float64be fpr_save_area[8]; // 64 bytes, f1 to f8
ppc_va_list vargs;
uint32be padding;
};
static_assert(sizeof(ppc_va_list_reg_storage) == 0x70);
// Equivalent of va_start for PPC HLE functions. Must be called before any StackAllocator<> definitions
#define ppc_define_va_list(__gprIndex, __fprIndex) \
MPTR vaOriginalR1 = PPCInterpreter_getCurrentInstance()->gpr[1]; \
StackAllocator<ppc_va_list_reg_storage> va_list_storage; \
for(int i=3; i<=10; i++) va_list_storage->gpr_save_area[i-3] = PPCInterpreter_getCurrentInstance()->gpr[i]; \
for(int i=1; i<=8; i++) va_list_storage->fpr_save_area[i-1] = PPCInterpreter_getCurrentInstance()->fpr[i].fp0; \
va_list_storage->vargs.gprIndex = __gprIndex; \
va_list_storage->vargs.fprIndex = __fprIndex; \
va_list_storage->vargs.reg_save_area = (uint8be*)&va_list_storage; \
va_list_storage->vargs.overflow_arg_area = {vaOriginalR1 + 8}; \
ppc_va_list& vargs = va_list_storage->vargs;
enum class ppc_va_type
{
INT32 = 1,
INT64 = 2,
FLOAT_OR_DOUBLE = 3,
};
static void* _ppc_va_arg(ppc_va_list* vargs, ppc_va_type argType)
{
void* r;
switch ( argType )
{
default:
cemu_assert_suspicious();
case ppc_va_type::INT32:
if ( vargs[0].gprIndex < 8u )
{
r = &vargs->reg_save_area[4 * vargs->gprIndex];
vargs->gprIndex++;
return r;
}
r = vargs->overflow_arg_area;
vargs->overflow_arg_area += 4;
return r;
case ppc_va_type::INT64:
if ( (vargs->gprIndex & 1) != 0 )
vargs->gprIndex++;
if ( vargs->gprIndex < 8 )
{
r = &vargs->reg_save_area[4 * vargs->gprIndex];
vargs->gprIndex += 2;
return r;
}
vargs->overflow_arg_area = {(vargs->overflow_arg_area.GetMPTR()+7) & 0xFFFFFFF8};
r = vargs->overflow_arg_area;
vargs->overflow_arg_area += 8;
return r;
case ppc_va_type::FLOAT_OR_DOUBLE:
if ( vargs->fprIndex < 8 )
{
r = &vargs->reg_save_area[0x20 + 8 * vargs->fprIndex];
vargs->fprIndex++;
return r;
}
vargs->overflow_arg_area = {(vargs->overflow_arg_area.GetMPTR()+7) & 0xFFFFFFF8};
r = vargs->overflow_arg_area;
vargs->overflow_arg_area += 8;
return r;
}
}

112
src/Cafe/OS/libs/coreinit/coreinit_Misc.cpp
View File

@ -7,14 +7,9 @@
namespace coreinit
{
/* coreinit logging and string format */
sint32 ppcSprintf(const char* formatStr, char* strOut, sint32 maxLength, PPCInterpreter_t* hCPU, sint32 initialParamIndex)
sint32 ppc_vprintf(const char* formatStr, char* strOut, sint32 maxLength, ppc_va_list* vargs)
{
char tempStr[4096];
sint32 integerParamIndex = initialParamIndex;
sint32 floatParamIndex = 0;
sint32 writeIndex = 0;
while (*formatStr)
{
@ -101,8 +96,7 @@ namespace coreinit
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
sint32 tempLen = sprintf(tempStr, tempFormat, PPCInterpreter_getCallParamU32(hCPU, integerParamIndex));
integerParamIndex++;
sint32 tempLen = sprintf(tempStr, tempFormat, (uint32)*(uint32be*)_ppc_va_arg(vargs, ppc_va_type::INT32));
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
@ -120,13 +114,12 @@ namespace coreinit
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
MPTR strOffset = PPCInterpreter_getCallParamU32(hCPU, integerParamIndex);
MPTR strOffset = *(uint32be*)_ppc_va_arg(vargs, ppc_va_type::INT32);
sint32 tempLen = 0;
if (strOffset == MPTR_NULL)
tempLen = sprintf(tempStr, "NULL");
else
tempLen = sprintf(tempStr, tempFormat, memory_getPointerFromVirtualOffset(strOffset));
integerParamIndex++;
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
@ -136,25 +129,6 @@ namespace coreinit
}
strOut[std::min(maxLength - 1, writeIndex)] = '\0';
}
else if (*formatStr == 'f')
{
// float
formatStr++;
strncpy(tempFormat, formatStart, std::min((std::ptrdiff_t)sizeof(tempFormat) - 1, formatStr - formatStart));
if ((formatStr - formatStart) < sizeof(tempFormat))
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
sint32 tempLen = sprintf(tempStr, tempFormat, (float)hCPU->fpr[1 + floatParamIndex].fp0);
floatParamIndex++;
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
break;
strOut[writeIndex] = tempStr[i];
writeIndex++;
}
}
else if (*formatStr == 'c')
{
// character
@ -164,8 +138,24 @@ namespace coreinit
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
sint32 tempLen = sprintf(tempStr, tempFormat, PPCInterpreter_getCallParamU32(hCPU, integerParamIndex));
integerParamIndex++;
sint32 tempLen = sprintf(tempStr, tempFormat, (uint32)*(uint32be*)_ppc_va_arg(vargs, ppc_va_type::INT32));
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
break;
strOut[writeIndex] = tempStr[i];
writeIndex++;
}
}
else if (*formatStr == 'f' || *formatStr == 'g' || *formatStr == 'G')
{
formatStr++;
strncpy(tempFormat, formatStart, std::min((std::ptrdiff_t)sizeof(tempFormat) - 1, formatStr - formatStart));
if ((formatStr - formatStart) < sizeof(tempFormat))
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
sint32 tempLen = sprintf(tempStr, tempFormat, (double)*(betype<double>*)_ppc_va_arg(vargs, ppc_va_type::FLOAT_OR_DOUBLE));
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
@ -183,8 +173,7 @@ namespace coreinit
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
sint32 tempLen = sprintf(tempStr, tempFormat, (double)hCPU->fpr[1 + floatParamIndex].fp0);
floatParamIndex++;
sint32 tempLen = sprintf(tempStr, tempFormat, (double)*(betype<double>*)_ppc_va_arg(vargs, ppc_va_type::FLOAT_OR_DOUBLE));
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
@ -196,16 +185,13 @@ namespace coreinit
else if ((formatStr[0] == 'l' && formatStr[1] == 'l' && (formatStr[2] == 'x' || formatStr[2] == 'X')))
{
formatStr += 3;
// double (64bit)
// 64bit int
strncpy(tempFormat, formatStart, std::min((std::ptrdiff_t)sizeof(tempFormat) - 1, formatStr - formatStart));
if ((formatStr - formatStart) < sizeof(tempFormat))
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
if (integerParamIndex & 1)
integerParamIndex++;
sint32 tempLen = sprintf(tempStr, tempFormat, PPCInterpreter_getCallParamU64(hCPU, integerParamIndex));
integerParamIndex += 2;
sint32 tempLen = sprintf(tempStr, tempFormat, (uint64)*(uint64be*)_ppc_va_arg(vargs, ppc_va_type::INT64));
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
@ -223,10 +209,7 @@ namespace coreinit
tempFormat[(formatStr - formatStart)] = '\0';
else
tempFormat[sizeof(tempFormat) - 1] = '\0';
if (integerParamIndex & 1)
integerParamIndex++;
sint32 tempLen = sprintf(tempStr, tempFormat, PPCInterpreter_getCallParamU64(hCPU, integerParamIndex));
integerParamIndex += 2;
sint32 tempLen = sprintf(tempStr, tempFormat, (sint64)*(sint64be*)_ppc_va_arg(vargs, ppc_va_type::INT64));
for (sint32 i = 0; i < tempLen; i++)
{
if (writeIndex >= maxLength)
@ -255,9 +238,12 @@ namespace coreinit
return std::min(writeIndex, maxLength - 1);
}
/* coreinit logging and string format */
sint32 __os_snprintf(char* outputStr, sint32 maxLength, const char* formatStr)
{
sint32 r = ppcSprintf(formatStr, outputStr, maxLength, PPCInterpreter_getCurrentInstance(), 3);
ppc_define_va_list(3, 0);
sint32 r = ppc_vprintf(formatStr, outputStr, maxLength, &vargs);
return r;
}
@ -322,32 +308,40 @@ namespace coreinit
}
}
void OSReport(const char* format)
void COSVReport(COSReportModule module, COSReportLevel level, const char* format, ppc_va_list* vargs)
{
char buffer[1024 * 2];
sint32 len = ppcSprintf(format, buffer, sizeof(buffer), PPCInterpreter_getCurrentInstance(), 1);
WriteCafeConsole(CafeLogType::OSCONSOLE, buffer, len);
char tmpBuffer[1024];
sint32 len = ppc_vprintf(format, tmpBuffer, sizeof(tmpBuffer), vargs);
WriteCafeConsole(CafeLogType::OSCONSOLE, tmpBuffer, len);
}
void OSVReport(const char* format, MPTR vaArgs)
void OSReport(const char* format)
{
cemu_assert_unimplemented();
ppc_define_va_list(1, 0);
COSVReport(COSReportModule::coreinit, COSReportLevel::Info, format, &vargs);
}
void OSVReport(const char* format, ppc_va_list* vargs)
{
COSVReport(COSReportModule::coreinit, COSReportLevel::Info, format, vargs);
}
void COSWarn(int moduleId, const char* format)
{
char buffer[1024 * 2];
int prefixLen = sprintf(buffer, "[COSWarn-%d] ", moduleId);
sint32 len = ppcSprintf(format, buffer + prefixLen, sizeof(buffer) - prefixLen, PPCInterpreter_getCurrentInstance(), 2);
WriteCafeConsole(CafeLogType::OSCONSOLE, buffer, len + prefixLen);
ppc_define_va_list(2, 0);
char tmpBuffer[1024];
int prefixLen = sprintf(tmpBuffer, "[COSWarn-%d] ", moduleId);
sint32 len = ppc_vprintf(format, tmpBuffer + prefixLen, sizeof(tmpBuffer) - prefixLen, &vargs);
WriteCafeConsole(CafeLogType::OSCONSOLE, tmpBuffer, len + prefixLen);
}
void OSLogPrintf(int ukn1, int ukn2, int ukn3, const char* format)
{
char buffer[1024 * 2];
int prefixLen = sprintf(buffer, "[OSLogPrintf-%d-%d-%d] ", ukn1, ukn2, ukn3);
sint32 len = ppcSprintf(format, buffer + prefixLen, sizeof(buffer) - prefixLen, PPCInterpreter_getCurrentInstance(), 4);
WriteCafeConsole(CafeLogType::OSCONSOLE, buffer, len + prefixLen);
ppc_define_va_list(4, 0);
char tmpBuffer[1024];
int prefixLen = sprintf(tmpBuffer, "[OSLogPrintf-%d-%d-%d] ", ukn1, ukn2, ukn3);
sint32 len = ppc_vprintf(format, tmpBuffer + prefixLen, sizeof(tmpBuffer) - prefixLen, &vargs);
WriteCafeConsole(CafeLogType::OSCONSOLE, tmpBuffer, len + prefixLen);
}
void OSConsoleWrite(const char* strPtr, sint32 length)
@ -562,9 +556,11 @@ namespace coreinit
s_transitionToForeground = false;
cafeExportRegister("coreinit", __os_snprintf, LogType::Placeholder);
cafeExportRegister("coreinit", COSVReport, LogType::Placeholder);
cafeExportRegister("coreinit", COSWarn, LogType::Placeholder);
cafeExportRegister("coreinit", OSReport, LogType::Placeholder);
cafeExportRegister("coreinit", OSVReport, LogType::Placeholder);
cafeExportRegister("coreinit", COSWarn, LogType::Placeholder);
cafeExportRegister("coreinit", OSLogPrintf, LogType::Placeholder);
cafeExportRegister("coreinit", OSConsoleWrite, LogType::Placeholder);

14
src/Cafe/OS/libs/coreinit/coreinit_Misc.h
View File

@ -26,5 +26,19 @@ namespace coreinit
uint32 OSDriver_Register(uint32 moduleHandle, sint32 priority, OSDriverInterface* driverCallbacks, sint32 driverId, uint32be* outUkn1, uint32be* outUkn2, uint32be* outUkn3);
uint32 OSDriver_Deregister(uint32 moduleHandle, sint32 driverId);
enum class COSReportModule
{
coreinit = 0,
};
enum class COSReportLevel
{
Error = 0,
Warn = 1,
Info = 2
};
sint32 ppc_vprintf(const char* formatStr, char* strOut, sint32 maxLength, ppc_va_list* vargs);
void miscInit();
};

19
src/Common/MemPtr.h
View File

@ -92,19 +92,6 @@ public:
template <typename X>
explicit operator MEMPTR<X>() const { return MEMPTR<X>(this->m_value); }
//bool operator==(const MEMPTR<T>& v) const { return m_value == v.m_value; }
//bool operator==(const T* rhs) const { return (T*)(m_value == 0 ? nullptr : memory_base + (uint32)m_value) == rhs; } -> ambigious (implicit cast to T* allows for T* == T*)
//bool operator==(std::nullptr_t rhs) const { return m_value == 0; }
//bool operator!=(const MEMPTR<T>& v) const { return !(*this == v); }
//bool operator!=(const void* rhs) const { return !(*this == rhs); }
//bool operator!=(int rhs) const { return !(*this == rhs); }
//bool operator==(const void* rhs) const { return (void*)(m_value == 0 ? nullptr : memory_base + (uint32)m_value) == rhs; }
//explicit bool operator==(int rhs) const { return *this == (const void*)(size_t)rhs; }
MEMPTR operator+(const MEMPTR& ptr) { return MEMPTR(this->GetMPTR() + ptr.GetMPTR()); }
MEMPTR operator-(const MEMPTR& ptr) { return MEMPTR(this->GetMPTR() - ptr.GetMPTR()); }
@ -120,6 +107,12 @@ public:
return MEMPTR(this->GetMPTR() - v * 4);
}
MEMPTR& operator+=(sint32 v)
{
m_value += v * sizeof(T);
return *this;
}
template <class Q = T>
typename std::enable_if<!std::is_same<Q, void>::value, Q>::type&
operator*() const { return *GetPtr(); }

25
src/Common/betype.h
View File

@ -121,6 +121,12 @@ public:
return *this;
}
betype<T>& operator+=(const T& v) requires std::integral<T>
{
m_value = SwapEndian(T(value() + v));
return *this;
}
betype<T>& operator-=(const betype<T>& v)
{
m_value = SwapEndian(T(value() - v.value()));
@ -188,17 +194,36 @@ public:
return from_bevalue(T(~m_value));
}
// pre-increment
betype<T>& operator++() requires std::integral<T>
{
m_value = SwapEndian(T(value() + 1));
return *this;
}
// post-increment
betype<T> operator++(int) requires std::integral<T>
{
betype<T> tmp(*this);
m_value = SwapEndian(T(value() + 1));
return tmp;
}
// pre-decrement
betype<T>& operator--() requires std::integral<T>
{
m_value = SwapEndian(T(value() - 1));
return *this;
}
// post-decrement
betype<T> operator--(int) requires std::integral<T>
{
betype<T> tmp(*this);
m_value = SwapEndian(T(value() - 1));
return tmp;
}
private:
//T m_value{}; // before 1.26.2
T m_value;