Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-02 06:15:52 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fixing the src and dst of register so they are being read right (PPC brain)

Browse source 
Adding stw for dissembler and converting (PPC and IA32)
Fixing a counter bug in ConvertBitToByte, ConvertBitToByte32, GetMaskByte, GetMaskByte32
we did miss one bit calculation when we count the mask the bit 0 

svn path=/trunk/; revision=25527
This commit is contained in:
Magnus Olsen 2007-01-19 08:20:42 +00:00
parent 4f8fd087f7
commit fa8f26e7c6
10 changed files with 97 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

10
rosapps/devutils/cputointel/ConvertToIA32Process.c
View file

@ -28,7 +28,7 @@
* mmx/sse/fpu 7 = 28
*/
static void standardreg(CPU_INT *RegTableCount, CPU_UNINT reg, CPU_INT setup_ebp, FILE *outfp)
static void standardreg(CPU_INT *RegTableCount, CPU_INT reg, CPU_INT setup_ebp, FILE *outfp)
{
/* eax */
if (reg == RegTableCount[3])
@ -66,7 +66,7 @@ static void standardreg(CPU_INT *RegTableCount, CPU_UNINT reg, CPU_INT setup_ebp
fprintf(outfp,"esi");
}
/* edi */
else if (reg == RegTableCount[10])
else if (reg == RegTableCount[11])
{
fprintf(outfp,"edi");
}
@ -194,7 +194,11 @@ CPU_INT ConvertToIA32Process( FILE *outfp,
standardreg( RegTableCount,
pMystart->dst,
setup_ebp, outfp);
fprintf(outfp," %d], ",pMystart->dst_extra);
if (pMystart->dst_extra>=0)
fprintf(outfp," +%d], ",pMystart->dst_extra);
else
fprintf(outfp," %d], ",pMystart->dst_extra);
standardreg( RegTableCount,
pMystart->src,
setup_ebp, outfp);

8
rosapps/devutils/cputointel/ConvertingProcess.c
View file

@ -42,13 +42,19 @@ CPU_INT ConvertProcess(FILE *outfp, CPU_INT FromCpuid, CPU_INT ToCpuid)
if ((ptmpMystart->type & 8) == 8)
RegTableCount[ptmpMystart->dst]++;
if ((ptmpMystart->type & 32) == 32)
RegTableCount[ptmpMystart->src]++;
if ((ptmpMystart->type & 64) == 64)
RegTableCount[ptmpMystart->dst]++;
if (ptmpMystart == ptmpMyend)
ptmpMystart=NULL;
else
ptmpMystart = (PMYBrainAnalys) ptmpMystart->ptr_next;
}
for (t=0;t<31;t++)
for (t=0;t<=31;t++)
{
if (RegTableCount[t]!=0)
{

5
rosapps/devutils/cputointel/CpuToIntel.c
View file

@ -94,8 +94,11 @@ int main(int argc, char * argv[])
//}
// mode 0 disambler
// mode 1 convert to intel
// mode 2 convert to ppc
//return LoadPFileImage(infile,outfile,BaseAddress,cpuid,type, mode);
return LoadPFileImage("e:\\testppc.exe","e:\\cputointel.asm",0,0,0,1); // disambler
return LoadPFileImage("e:\\testppc.exe","e:\\cputointel.asm",0,0,0,1);
// return LoadPFileImage("e:\\testms.exe","e:\\cputointel.asm",0,0,0,1); // convert
}

1
rosapps/devutils/cputointel/From/PPC/PPC.h
View file

@ -12,6 +12,7 @@ CPU_INT PPCBrain( CPU_BYTE *cpu_buffer,
/* here we put the prototype for the opcode api that brain need we show a example for it */
CPU_INT PPC_Blr( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch);
CPU_INT PPC_Li( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch);
CPU_INT PPC_Stw( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch);
CPU_INT PPC_Stwu( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos, CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch);
/* Export comment thing see m68k for example

14
rosapps/devutils/cputointel/From/PPC/PPCBrain.c
View file

@ -80,6 +80,18 @@ CPU_INT PPCBrain( CPU_BYTE *cpu_buffer,
cpu_pos += retsize;
}
/* stw */
if ((cpuint - (cpuint & GetMaskByte32(cpuPPCInit_stw))) == ConvertBitToByte32(cpuPPCInit_stw))
{
retsize = PPC_Stw( outfp, cpu_buffer, cpu_pos, cpu_size,
BaseAddress, cpuarch);
if (retsize<0)
retcode = 1;
else
cpu_pos += retsize;
}
retcode = 0;
/* stwu */
if ((cpuint - (cpuint & GetMaskByte32(cpuPPCInit_stwu))) == ConvertBitToByte32(cpuPPCInit_stwu))
{
@ -116,6 +128,6 @@ CPU_INT PPCBrain( CPU_BYTE *cpu_buffer,
}
}
// return 0; // hack getting dismabler working or converting working
return 0; // hack getting dismabler working or converting working
return retcode;
}

1
rosapps/devutils/cputointel/From/PPC/PPCBrain.h
View file

@ -12,6 +12,7 @@
/* FIXME RA should be 0 in stwu */
CPU_BYTE cpuPPCInit_Blr[32] = {0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,1,1,1,0};
CPU_BYTE cpuPPCInit_Li[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,1,1,1,0,2,2};
CPU_BYTE cpuPPCInit_stw[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,0,2,2};
CPU_BYTE cpuPPCInit_stwu[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,1,2,2};
/* mask */
/*

55
rosapps/devutils/cputointel/From/PPC/PPCopcode.c
View file

@ -28,7 +28,7 @@
*/
/* Get Dest register */
#define PPC_GetBitArrayDstReg(opcode) (((opcode & 0x3) << 3) | ((opcode & 0xE000) >> 13))
#define PPC_GetBitArraySrcReg(opcode) (((opcode & 0x3) << 3) | ((opcode & 0xE000) >> 13))
/* Get Source register */
CPU_UNINT PPC_GetBitArrayBto31xx(CPU_UNINT opcode)
@ -75,7 +75,7 @@ CPU_INT PPC_Li( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
{
CPU_UNINT opcode;
opcode = GetData32Le(cpu_buffer);
opcode = GetData32Le(&cpu_buffer[cpu_pos]);
BaseAddress +=cpu_pos;
@ -87,15 +87,15 @@ CPU_INT PPC_Li( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
pMyBrainAnalys->op = OP_ANY_mov;
pMyBrainAnalys->type= 8 + 16; /* 8 dst reg, 16 imm */
pMyBrainAnalys->src_size = 16;
pMyBrainAnalys->src = PPC_GetBitArrayBto31(opcode);
pMyBrainAnalys->dst = PPC_GetBitArrayDstReg(opcode);
pMyBrainAnalys->src = PPC_GetBitArraySrcReg(opcode);
pMyBrainAnalys->dst = PPC_GetBitArrayBto31(opcode);
pMyBrainAnalys->memAdr=BaseAddress;
return 4;
}
CPU_INT PPC_Stwu( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
CPU_INT PPC_Stw( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch)
{
/* r1 store at -0x20(r1) */
@ -103,7 +103,46 @@ CPU_INT PPC_Stwu( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
CPU_UNINT opcode;
CPU_SHORT tmp = 0;
opcode = GetData32Le(cpu_buffer);
opcode = GetData32Le(&cpu_buffer[cpu_pos]);
BaseAddress +=cpu_pos;
/* own translatons langues */
if (AllocAny()!=0) /* alloc memory for pMyBrainAnalys */
{
return -1;
}
tmp = _byteswap_ushort( ((CPU_SHORT)((opcode >> 16) & 0xffff)));
pMyBrainAnalys->op = OP_ANY_mov;
pMyBrainAnalys->type= 2 + 64;
pMyBrainAnalys->src_size = 32;
pMyBrainAnalys->dst_size = 32;
pMyBrainAnalys->src = PPC_GetBitArraySrcReg(opcode);
pMyBrainAnalys->dst = PPC_GetBitArrayBto31xx(opcode);
pMyBrainAnalys-> dst_extra = tmp;
pMyBrainAnalys->memAdr=BaseAddress;
return 4;
}
CPU_INT PPC_Stwu( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch)
{
/* r1 store at -0x20(r1) */
CPU_UNINT opcode;
CPU_INT DstReg;
CPU_SHORT tmp = 0;
opcode = GetData32Le(&cpu_buffer[cpu_pos]);
DstReg = PPC_GetBitArrayBto31xx(opcode);
if (DstReg == 0)
{
return 0;
}
BaseAddress +=cpu_pos;
@ -119,8 +158,8 @@ CPU_INT PPC_Stwu( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
pMyBrainAnalys->type= 2 + 64 + 128;
pMyBrainAnalys->src_size = 32;
pMyBrainAnalys->dst_size = 32;
pMyBrainAnalys->src = PPC_GetBitArrayBto31xx(opcode);
pMyBrainAnalys->dst = PPC_GetBitArrayDstReg(opcode);
pMyBrainAnalys->src = PPC_GetBitArraySrcReg(opcode);
pMyBrainAnalys->dst = DstReg;
pMyBrainAnalys-> dst_extra = tmp;
pMyBrainAnalys->memAdr=BaseAddress;

3
rosapps/devutils/cputointel/ImageLoader.c
View file

@ -485,7 +485,8 @@ CPU_INT PEFileStart( CPU_BYTE *memory, CPU_UNINT pos,
fprintf(outfp,"; CPU found POWERPC\n");
//PPCBrain(memory, pos, cpu_size, base, 0, outfp);
machine_type = IMAGE_FILE_MACHINE_POWERPC;
return PPCBrain(memory+SectionHeader->PointerToRawData, 0, SectionHeader->SizeOfRawData, 0, 0, outfp);
PPCBrain(memory+SectionHeader->PointerToRawData, 0, SectionHeader->SizeOfRawData, 0, 0, outfp);
break;
case IMAGE_FILE_MACHINE_POWERPCFP:

10
rosapps/devutils/cputointel/OpCodePPC.txt
View file

@ -9,11 +9,15 @@ Bit expain
1 = mean bit is set
2 = mean this bit can be 0 or 1
opcode Name Desciptions
0010 0000 0000 0000 1000 0000 0100 1110 blr return from a functions
opcode Name Desciptions
0010 0000 0000 0000 1000 0000 0100 1110 blr return from a functions
0222 2222 2222 2222 2222 2222 0011 1000 Li reg,#imm move a value to a register
0222 2222 2222 2222 2222 2222 0011 1000 Li reg,#imm move a value to a register
2222 2222 2222 2222 2222 2222 1001 0022 stw reg,mem store a value into memory
2222 2222 2222 2222 2222 2222 1001 0122 stwu reg,mem store contain of reg to memory and
move reg to that memory position

16
rosapps/devutils/cputointel/misc.c
View file

@ -36,10 +36,10 @@
CPU_UNINT ConvertBitToByte(CPU_BYTE *bit)
{
CPU_UNINT Byte = 0;
CPU_UNINT t;
CPU_INT t;
CPU_UNINT size = 15;
for(t=size;t>0;t--)
for(t=size;t>=0;t--)
{
if (bit[size-t] != 2)
Byte = Byte + (bit[size-t]<<t);
@ -51,10 +51,10 @@ CPU_UNINT ConvertBitToByte(CPU_BYTE *bit)
CPU_UNINT GetMaskByte(CPU_BYTE *bit)
{
CPU_UNINT MaskByte = 0;
CPU_UNINT t;
CPU_INT t;
CPU_UNINT size = 15;
for(t=size;t>0;t--)
for(t=size;t>=0;t--)
{
if (bit[size-t] == 2)
{
@ -68,10 +68,10 @@ CPU_UNINT GetMaskByte(CPU_BYTE *bit)
CPU_UNINT ConvertBitToByte32(CPU_BYTE *bit)
{
CPU_UNINT Byte = 0;
CPU_UNINT t;
CPU_INT t;
CPU_UNINT size = 31;
for(t=size;t>0;t--)
for(t=size;t>=0;t--)
{
if (bit[size-t] != 2)
Byte = Byte + (bit[size-t]<<t);
@ -83,10 +83,10 @@ CPU_UNINT ConvertBitToByte32(CPU_BYTE *bit)
CPU_UNINT GetMaskByte32(CPU_BYTE *bit)
{
CPU_UNINT MaskByte = 0;
CPU_UNINT t;
CPU_INT t;
CPU_UNINT size = 31;
for(t=size;t>0;t--)
for(t=size;t>=0;t--)
{
if (bit[size-t] == 2)
{