mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-28 19:07:47 -04:00
Matthew Stanley
71 lines
3.2 KiB
C
71 lines
3.2 KiB
C
#include "cpu_state.h"
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#include "mod_plugins.h"
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#undef NDEBUG
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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static int enabled, calls;
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static int replace(CPUState *cpu, uint32_t address) {
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assert(psx_mod_function_replacement_depth() == 1);
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++calls;
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if (!enabled)
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return 0;
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cpu->gpr[2] = address;
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return 1;
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}
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static int replace_with_ra_clobber(CPUState *cpu, uint32_t address) {
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cpu->gpr[31] = address;
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return 1;
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}
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int main(void) {
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CPUState cpu = {0}, before;
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cpu.gpr[31] = 0x80001234;
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cpu.pc = 0;
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before = cpu;
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assert(!psx_mod_try_function_replacement(&cpu, 0x80001000));
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assert(!memcmp(&before, &cpu, sizeof cpu));
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assert(!psx_mod_set_function_replacement(0, replace));
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assert(!psx_mod_set_function_replacement(0x80001001, replace));
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assert(psx_mod_set_function_replacement(0x80001000, replace));
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assert(!psx_mod_try_function_replacement(&cpu, 0x80001000));
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assert(calls == 1 && !memcmp(&before, &cpu, sizeof cpu));
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enabled = 1;
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assert(!psx_mod_try_function_replacement(&cpu, 0x80001004));
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assert(psx_mod_try_function_replacement(&cpu, 0x80001000));
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assert(cpu.pc == 0x80001234 && cpu.gpr[2] == 0x80001000 && cpu.gpr[31] == before.gpr[31]);
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assert(psx_mod_try_function_replacement(&cpu, 0xA0001000));
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assert(cpu.gpr[2] == 0xA0001000);
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assert(psx_mod_try_function_replacement(&cpu, 0x00001000));
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assert(!psx_mod_try_function_replacement(&cpu, 0x80201000));
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assert(psx_mod_set_function_replacement(0x80001000, 0));
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assert(!psx_mod_try_function_replacement(&cpu, 0x80001000));
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assert(psx_mod_set_function_replacement(0x80001000, 0));
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assert(psx_mod_set_function_replacement(0x80001000, replace_with_ra_clobber));
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assert(!psx_mod_try_function_replacement(0, 0x80001000));
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cpu.gpr[31] = 0x80001234;
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assert(psx_mod_try_function_replacement(&cpu, 0x80001000));
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assert(cpu.pc == 0x80001234 && cpu.gpr[31] == 0x80001000);
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assert(psx_mod_set_function_replacement(0x80001000, 0));
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for (unsigned i = 0; i < 64; ++i)
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assert(psx_mod_set_function_replacement(0x80002000 + 4 * i, replace));
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assert(!psx_mod_set_function_replacement(0x80004000, replace));
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assert(psx_mod_set_function_replacement(0x80002000, 0));
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assert(psx_mod_set_function_replacement(0x80004000, replace));
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assert(psx_mod_try_function_replacement(&cpu, 0x800020FC));
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assert(psx_mod_try_function_replacement(&cpu, 0x80004000));
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for (unsigned i = 1; i < 64; ++i)
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assert(psx_mod_set_function_replacement(0x80002000 + 4 * i, 0));
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assert(psx_mod_set_function_replacement(0x80004000, 0));
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before = cpu;
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assert(!psx_mod_try_function_replacement(&cpu, 0x80004000));
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assert(!memcmp(&before, &cpu, sizeof cpu));
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assert(psx_mod_set_function_replacement(0x80004000, replace));
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psx_mod_clear_function_replacements();
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assert(!psx_mod_try_function_replacement(&cpu, 0x80004000));
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assert(psx_mod_function_replacement_depth() == 0);
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psx_mod_function_replacement_restore_depth(3);
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assert(psx_mod_function_replacement_depth() == 3);
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psx_mod_function_replacement_restore_depth(0);
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puts("PASS native replacement opt-in, fallback, return ABI, unregister and capacity");
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}
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