Added dynstr, fixed NULL pointer access

This commit is contained in:
Xavi Del Campo 2020-04-23 23:02:27 +02:00
parent 7ab44f41ca
commit aecaf18a95
4 changed files with 33 additions and 24 deletions

3
.gitmodules vendored Normal file
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@ -0,0 +1,3 @@
[submodule "dynstr/dynstr"]
path = dynstr/dynstr
url = https://github.com/XaviDCR92/dynstr

1
dynstr/dynstr Submodule

@ -0,0 +1 @@
Subproject commit 357d4f2c0fc52ae7e5967f542161d59d09830e27

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@ -14,12 +14,12 @@ PGXP_value* CPU_reg = CPU_reg_mem;
PGXP_value* CP0_reg = CP0_reg_mem;
// Instruction register decoding
#define op(_instr) (_instr >> 26) // The op part of the instruction register
#define func(_instr) ((_instr) & 0x3F) // The funct part of the instruction register
#define op(_instr) (_instr >> 26) // The op part of the instruction register
#define func(_instr) ((_instr) & 0x3F) // The funct part of the instruction register
#define sa(_instr) ((_instr >> 6) & 0x1F) // The sa part of the instruction register
#define rd(_instr) ((_instr >> 11) & 0x1F) // The rd part of the instruction register
#define rt(_instr) ((_instr >> 16) & 0x1F) // The rt part of the instruction register
#define rs(_instr) ((_instr >> 21) & 0x1F) // The rs part of the instruction register
#define rd(_instr) ((_instr >> 11) & 0x1F) // The rd part of the instruction register
#define rt(_instr) ((_instr >> 16) & 0x1F) // The rt part of the instruction register
#define rs(_instr) ((_instr >> 21) & 0x1F) // The rs part of the instruction register
#define imm(_instr) (_instr & 0xFFFF) // The immediate part of the instruction register
void PGXP_InitCPU()
@ -31,7 +31,7 @@ void PGXP_InitCPU()
// invalidate register (invalid 8 bit read)
void InvalidLoad(u32 addr, u32 code, u32 value)
{
u32 reg = ((code >> 16) & 0x1F); // The rt part of the instruction register
u32 reg = ((code >> 16) & 0x1F); // The rt part of the instruction register
PGXP_value* pD = NULL;
PGXP_value p;
@ -60,7 +60,7 @@ void InvalidLoad(u32 addr, u32 code, u32 value)
// invalidate memory address (invalid 8 bit write)
void InvalidStore(u32 addr, u32 code, u32 value)
{
u32 reg = ((code >> 16) & 0x1F); // The rt part of the instruction register
u32 reg = ((code >> 16) & 0x1F); // The rt part of the instruction register
PGXP_value* pD = NULL;
PGXP_value p;
@ -86,7 +86,7 @@ void PGXP_CPU_ADDI(u32 instr, u32 rtVal, u32 rsVal)
// Rt = Rs + Imm (signed)
psx_value tempImm;
PGXP_value ret;
Validate(&CPU_reg[rs(instr)], rsVal);
ret = CPU_reg[rs(instr)];
tempImm.d = imm(instr);
@ -674,11 +674,11 @@ void PGXP_CPU_SLL(u32 instr, u32 rdVal, u32 rtVal)
PGXP_value ret;
u32 sh = sa(instr);
Validate(&CPU_reg[rt(instr)], rtVal);
ret = CPU_reg[rt(instr)];
// TODO: Shift flags
#if 1
#if 1
double x = f16Unsign(CPU_reg[rt(instr)].x);
double y = f16Unsign(CPU_reg[rt(instr)].y);
if (sh >= 32)
@ -797,7 +797,7 @@ void PGXP_CPU_SRL(u32 instr, u32 rdVal, u32 rtVal)
else if ((valt.w.h & mask) == 0)
x = x;
else
x += y * (1 << (16 - sh));//f16Overflow(y);
x += y * (1 << (16 - sh));//f16Overflow(y);
y = y / (1 << sh);
x = f16Sign(x);
@ -882,7 +882,7 @@ void PGXP_CPU_SRA(u32 instr, u32 rdVal, u32 rtVal)
else
{
x = x / (1 << sh);
// check for potential sign extension in overflow
psx_value valt;
valt.d = rtVal;
@ -892,7 +892,7 @@ void PGXP_CPU_SRA(u32 instr, u32 rdVal, u32 rtVal)
else if ((valt.w.h & mask) == 0)
x = x;
else
x += y * (1 << (16 - sh));//f16Overflow(y);
x += y * (1 << (16 - sh));//f16Overflow(y);
y = y / (1 << sh);
x = f16Sign(x);
@ -1076,7 +1076,7 @@ void PGXP_CPU_SRLV(u32 instr, u32 rdVal, u32 rtVal, u32 rsVal)
else
{
x = x / (1 << sh);
// check for potential sign extension in overflow
psx_value valt;
valt.d = rtVal;
@ -1086,7 +1086,7 @@ void PGXP_CPU_SRLV(u32 instr, u32 rdVal, u32 rtVal, u32 rsVal)
else if ((valt.w.h & mask) == 0)
x = x;
else
x += y * (1 << (16 - sh));//f16Overflow(y);
x += y * (1 << (16 - sh));//f16Overflow(y);
y = y / (1 << sh);
x = f16Sign(x);
@ -1173,7 +1173,7 @@ void PGXP_CPU_SRAV(u32 instr, u32 rdVal, u32 rtVal, u32 rsVal)
else
{
x = x / (1 << sh);
// check for potential sign extension in overflow
psx_value valt;
valt.d = rtVal;
@ -1183,7 +1183,7 @@ void PGXP_CPU_SRAV(u32 instr, u32 rdVal, u32 rtVal, u32 rsVal)
else if ((valt.w.h & mask) == 0)
x = x;
else
x += y * (1 << (16 - sh));//f16Overflow(y);
x += y * (1 << (16 - sh));//f16Overflow(y);
y = y / (1 << sh);
x = f16Sign(x);
@ -1402,4 +1402,4 @@ void PGXP_CP0_CTC0(u32 instr, u32 rdVal, u32 rtVal)
}
void PGXP_CP0_RFE(u32 instr)
{}
{}

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@ -160,7 +160,7 @@ void CALLBACK GPUpgxpCacheVertex(short sx, short sy, const unsigned char* _pVert
if ((fabsf(pOldVertex->x - pNewVertex->x) > 0.1f) ||
(fabsf(pOldVertex->y - pNewVertex->y) > 0.1f) ||
(fabsf(pOldVertex->z - pNewVertex->z) > 0.1f))
{
{
pOldVertex->mFlags = 5;
return;
}
@ -390,6 +390,11 @@ int PGXP_GetVertices(unsigned int* addr, void* pOutput, int xOffs, int yOffs)
// calculate offset to actual data
int offset = 0;
/* Dirty hack */
if (!pDMABlock)
return 0;
while ((pDMABlock[offset] != *addr) && (offset < blockSize))
{
unsigned char command = (unsigned char)((pDMABlock[offset] >> 24) & 0xff);
@ -455,7 +460,7 @@ int PGXP_GetVertices(unsigned int* addr, void* pOutput, int xOffs, int yOffs)
}
// Log incorrect vertices
//if (PGXP_tDebug &&
//if (PGXP_tDebug &&
// (fabs((float)pPrimData[stride * i * 2] - primStart[stride * i].x) > debug_tolerance) ||
// (fabs((float)pPrimData[(stride * i * 2) + 1] - primStart[stride * i].y) > debug_tolerance))
// __Log("GPPV: v:%x (%d, %d) pgxp(%f, %f)|\n", (currentAddr + offset + 1 + (i * stride)) * 4, pPrimData[stride * i * 2], pPrimData[(stride * i * 2) + 1], primStart[stride * i].x, primStart[stride * i].y);
@ -527,7 +532,7 @@ enum PGXP_vDebugMode
vDEBUG_MAX,
vDEBUG_TEXCOORD,
vDEBUG_ID,
vDEBUG_ID,
};
const char red[4] = { 255, 0, 0, 255 };
@ -569,7 +574,7 @@ void ColourFromRange(float val, float min, float max, GLubyte alpha, int wrap)
if (wrap)
val = fmod(val, 1);
if (0 <= val && val<= 1.f / 8.f)
if (0 <= val && val<= 1.f / 8.f)
{
r = 0;
g = 0;
@ -672,7 +677,7 @@ void PGXP_colour(OGLVertex* vertex, GLubyte alpha, int prim, int isTextured, int
glColor4ubv(vertex->c.col);
break;
}
break;
case vDEBUG_TEXTURE:
// Texture only
@ -830,4 +835,4 @@ int PGXP_DrawDebugQuad(OGLVertex* vertex1, OGLVertex* vertex2, OGLVertex* vertex
int PGXP_DrawDebugTriQuad(OGLVertex* vertex1, OGLVertex* vertex2, OGLVertex* vertex3, OGLVertex* vertex4, int colourMode, int isTextured)
{
return DrawDebugPrim(DRAW_TRIQUAD, vertex1, vertex2, vertex3, vertex4, colourMode, isTextured);
}
}