saulteafarmer/XenonRecomp
1
0
Fork 0
mirror of https://github.com/hedge-dev/XenonRecomp.git synced 2025-06-05 08:42:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Handle relativism, public ppc macros

Browse Source
This commit is contained in:
Sajid 2024-09-09 08:13:57 +06:00
parent 6d1e649eaf
commit 606463ac09
3 changed files with 52 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
thirdparty/disasm/dis-asm.h vendored
View File

@ -418,6 +418,7 @@ typedef struct powerpc_opcode
typedef struct ppc_insn
{
const powerpc_opcode* opcode;
uint32_t instruction;
uint32_t operands[8];
char op_str[160];
} ppc_insn;

13
thirdparty/disasm/ppc-dis.c vendored
View File

@ -145,9 +145,6 @@ extern const int powerpc_num_opcodes;
/* Opcode is only supported by PowerPC Cell family. */
#define PPC_OPCODE_CELL 0x8000000
/* A macro to extract the major opcode from an instruction. */
#define PPC_OP(i) (((i) >> 26) & 0x3f)
/* The operands table is an array of struct powerpc_operand. */
struct powerpc_operand
@ -5665,6 +5662,7 @@ static int decode_insn_powerpc(bfd_vma memaddr, disassemble_info* info, int bige
else
insn = bfd_getl32(buffer);
oinsn->instruction = insn;
/* Get the major opcode of the instruction. */
op = PPC_OP(insn);
@ -5740,6 +5738,15 @@ again:
value = operand_value_powerpc(operand, insn, dialect);
oinsn->operands[i_op] = value;
if (operand->flags & PPC_OPERAND_RELATIVE)
{
oinsn->operands[i_op] += memaddr;
}
else if (operand->flags & PPC_OPERAND_ABSOLUTE)
{
oinsn->operands[i_op] &= 0xffffffff;
}
if (need_comma)
{
stream = stream + sprintf(stream, ",");

21
thirdparty/disasm/ppc.h vendored
View File

@ -1,5 +1,26 @@
#pragma once
/* A macro to extract the major opcode from an instruction. */
#define PPC_OP(i) (((i) >> 26) & 0x3f)
/* A macro to extract the extended opcode from an instruction. */
#define PPC_XOP(i) (((i) >> 1) & 0x3ff)
#define PPC_OP_TDI 2
#define PPC_OP_TWI 3
#define PPC_OP_MULLI 7
#define PPC_OP_SUBFIC 8
#define PPC_OP_CMPLI 0xA
#define PPC_OP_CMPI 0xB
#define PPC_OP_ADDIC 0xC // addic
#define PPC_OP_ADDICR 0xD // addic.
#define PPC_OP_ADDI 0xE
#define PPC_OP_ADDIS 0xF
#define PPC_OP_BC 0x10
#define PPC_OP_SC 0x11
#define PPC_OP_B 0x12
#define PPC_OP_CTR 0x13
#define PPC_INST_ATTN 0
#define PPC_INST_TDLGTI 1
#define PPC_INST_TDLLTI 2