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Improvements to SHIM_GET_ARG_* macros.

This commit is contained in:
gibbed 2015-05-30 20:43:47 -05:00
parent ce3359389b
commit 8c49281bb5
1 changed files with 38 additions and 4 deletions
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42
src/xenia/kernel/util/shim_utils.h
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@ -36,10 +36,44 @@ using PPCContext = xe::cpu::frontend::PPCContext;
#define SHIM_SET_MEM_32(a, v) xe::store_and_swap<uint32_t>(SHIM_MEM_ADDR(a), v)
#define SHIM_SET_MEM_64(a, v) xe::store_and_swap<uint64_t>(SHIM_MEM_ADDR(a), v)
#define SHIM_GET_ARG_8(n) (uint8_t)(ppc_context->r[3 + n])
#define SHIM_GET_ARG_16(n) (uint16_t)(ppc_context->r[3 + n])
#define SHIM_GET_ARG_32(n) (uint32_t)(ppc_context->r[3 + n])
#define SHIM_GET_ARG_64(n) ppc_context->r[3 + n]
namespace util {
inline uint32_t get_arg_stack_ptr(PPCContext* ppc_context, uint8_t index) {
return ((uint32_t)ppc_context->r[1]) + 0x54 + index * 8;
}
inline uint8_t get_arg_8(PPCContext* ppc_context, uint8_t index) {
if (index <= 7) {
return (uint8_t)ppc_context->r[3 + index];
}
return SHIM_MEM_8(get_arg_stack_ptr(ppc_context, index - 7));
}
inline uint16_t get_arg_16(PPCContext* ppc_context, uint8_t index) {
if (index <= 7) {
return (uint16_t)ppc_context->r[3 + index];
}
return SHIM_MEM_16(get_arg_stack_ptr(ppc_context, index - 7));
}
inline uint32_t get_arg_32(PPCContext* ppc_context, uint8_t index) {
if (index <= 7) {
return (uint32_t)ppc_context->r[3 + index];
}
return SHIM_MEM_32(get_arg_stack_ptr(ppc_context, index - 7));
}
inline uint64_t get_arg_64(PPCContext* ppc_context, uint8_t index) {
if (index <= 7) {
return ppc_context->r[3 + index];
}
return SHIM_MEM_64(get_arg_stack_ptr(ppc_context, index - 7));
}
}
#define SHIM_GET_ARG_8(n) util::get_arg_8(ppc_context, n)
#define SHIM_GET_ARG_16(n) util::get_arg_16(ppc_context, n)
#define SHIM_GET_ARG_32(n) util::get_arg_32(ppc_context, n)
#define SHIM_GET_ARG_64(n) util::get_arg_64(ppc_context, n)
#define SHIM_SET_RETURN_32(v) ppc_context->r[3] = (uint64_t)((int32_t)v)
#define SHIM_STRUCT(type, address) \