diff options
Diffstat (limited to 'arm')
| -rw-r--r-- | arm/arm_emit.h | 8 | ||||
| -rw-r--r-- | arm/arm_stub.S | 16 |
2 files changed, 24 insertions, 0 deletions
diff --git a/arm/arm_emit.h b/arm/arm_emit.h index 1432617..4368a80 100644 --- a/arm/arm_emit.h +++ b/arm/arm_emit.h @@ -31,6 +31,8 @@ u32 prepare_store_reg(u32 scratch_reg, u32 reg_index); void generate_load_reg(u32 ireg, u32 reg_index); void complete_store_reg(u32 scratch_reg, u32 reg_index); void complete_store_reg_pc_no_flags(u32 scratch_reg, u32 reg_index); +void thumb_cheat_hook(); +void arm_cheat_hook(); u32 arm_update_gba_arm(u32 pc); u32 arm_update_gba_thumb(u32 pc); @@ -1876,6 +1878,12 @@ u32 execute_store_cpsr_body(u32 _cpsr, u32 store_mask, u32 address) generate_indirect_branch_cycle_update(dual_thumb); \ } \ +#define thumb_process_cheats() \ + generate_function_call(thumb_cheat_hook); + +#define arm_process_cheats() \ + generate_function_call(arm_cheat_hook); + #define thumb_swi() \ generate_swi_hle_handler(opcode & 0xFF, thumb); \ generate_function_call(execute_swi_thumb); \ diff --git a/arm/arm_stub.S b/arm/arm_stub.S index 944d36a..222bb21 100644 --- a/arm/arm_stub.S +++ b/arm/arm_stub.S @@ -288,6 +288,22 @@ arm_update_gba_builder(idle_arm, arm, add) arm_update_gba_builder(idle_thumb, thumb, add) +@ Cheat hooks for master function +@ This is called whenever PC == cheats-master-function +@ Just calls the C function to process cheats + +#define cheat_hook_builder(mode) ;\ +defsymbl(mode##_cheat_hook) ;\ + save_flags() ;\ + store_registers_##mode() ;\ + call_c_function(process_cheats) ;\ + load_registers_##mode() ;\ + restore_flags() ;\ + bx lr ;\ + +cheat_hook_builder(arm) +cheat_hook_builder(thumb) + @ These are b stubs for performing indirect branches. They are not @ linked to and don't return, instead they link elsewhere. |