RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-04 23:07:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add dynarec support for PS3

Browse source
This commit is contained in:
OsirizX 2023-01-11 09:46:50 -08:00 • committed by irixxxx
parent 0512a22869
commit 08be5f1dab
3 changed files with 31 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

18
cpu/drc/emit_ppc.c
View file

@ -40,6 +40,7 @@
// reserved: r0(zero), r1(stack), r2(TOC), r13(TID)
// additionally reserved on OSX: r31(PIC), r30(frame), r11(parentframe)
// for OSX PIC code, on function calls r12 must contain the called address
#define TOC_REG 2
#define RET_REG 3
#define PARAM_REGS { 3, 4, 5, 6, 7, 8, 9, 10 }
#define PRESERVED_REGS { 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 }
@ -1506,19 +1507,36 @@ static int emith_cond_check(int cond)
#define emith_call_cond(cond, target) \
emith_call(target)
#ifdef __PS3__
#define emith_call_reg(r) do { \
emith_read_r_r_offs_ptr(TOC_REG, r, 8); \
emith_read_r_r_offs_ptr(r, r, 0); \
EMIT(PPC_MTSP_REG(r, CTR)); \
EMIT(PPC_BLCTRCOND(BXX)); \
} while(0)
#else
#define emith_call_reg(r) do { \
EMIT(PPC_MTSP_REG(r, CTR)); \
EMIT(PPC_BLCTRCOND(BXX)); \
} while(0)
#endif
#define emith_abicall_ctx(offs) do { \
emith_ctx_read_ptr(CR, offs); \
emith_call_reg(CR); \
} while (0)
#ifdef __PS3__
#define emith_abijump_reg(r) \
if ((r) != CR) emith_move_r_r(CR, r); \
emith_read_r_r_offs_ptr(TOC_REG, CR, 8); \
emith_read_r_r_offs_ptr(CR, CR, 0); \
emith_jump_reg(CR)
#else
#define emith_abijump_reg(r) \
if ((r) != CR) emith_move_r_r(CR, r); \
emith_jump_reg(CR)
#endif
#define emith_abijump_reg_c(cond, r) \
emith_abijump_reg(r)
#define emith_abicall(target) \