diff options
Diffstat (limited to 'psp')
| -rw-r--r-- | psp/mips_emit.h | 7 | ||||
| -rw-r--r-- | psp/mips_stub.S | 13 |
2 files changed, 20 insertions, 0 deletions
diff --git a/psp/mips_emit.h b/psp/mips_emit.h index 12685e8..174fee5 100644 --- a/psp/mips_emit.h +++ b/psp/mips_emit.h @@ -44,6 +44,7 @@ void mips_indirect_branch_dual(u32 address); u32 execute_read_cpsr(); u32 execute_read_spsr(); void execute_swi(u32 pc); +void mips_cheat_hook(); u32 execute_spsr_restore(u32 address); void execute_store_cpsr(u32 new_cpsr, u32 store_mask); @@ -2422,6 +2423,12 @@ u32 execute_store_cpsr_body(u32 _cpsr, u32 store_mask, u32 address) generate_indirect_branch_cycle_update(dual); \ } \ +#define thumb_process_cheats() \ + generate_function_call(mips_cheat_hook); + +#define arm_process_cheats() \ + generate_function_call(mips_cheat_hook); + #ifdef TRACE_INSTRUCTIONS void trace_instruction(u32 pc) { diff --git a/psp/mips_stub.S b/psp/mips_stub.S index 08151db..786dc9e 100644 --- a/psp/mips_stub.S +++ b/psp/mips_stub.S @@ -44,6 +44,7 @@ .global init_emitter .global mips_lookup_pc .global smc_write +.global mips_cheat_hook .global write_io_epilogue .global memory_map_read @@ -256,6 +257,17 @@ mips_update_gba: nop +# Processes cheats whenever we hit the master PC +mips_cheat_hook: + sw $ra, REG_SAVE2($16) + save_registers + cfncall process_cheats, 8 + lw $ra, REG_SAVE2($16) + restore_registers + jr $ra + nop + + # Loads the main context and returns to it. # ARM regs must be saved before branching here return_to_main: @@ -649,6 +661,7 @@ fnptrs: .long set_cpu_mode # 5 .long execute_spsr_restore_body # 6 .long execute_store_cpsr_body # 7 + .long process_cheats # 8 #if !defined(HAVE_MMAP) |