Macintosh-Tools/dingusppc
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bench1: Fixes and changes.

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Change test size from 32KB to 8MB. The benchmark should last about 1 second.
Set power_on to true before running any ppc_exec_* functions.
This commit is contained in:
joevt
2024-09-16 13:53:27 -07:00
committed by dingusdev
parent aed250a64d
commit 4a71dbe7bb
1 changed files with 31 additions and 10 deletions
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41
benchmark/bench1.cpp
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@@ -1,6 +1,6 @@
/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-21 divingkatae and maximum
Copyright (C) 2018-24 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
@@ -25,6 +25,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "cpu/ppc/ppcmmu.h"
#include "devices/memctrl/mpc106.h"
#include <thirdparty/loguru/loguru.hpp>
#include <debugger/debugger.h>
uint32_t cs_code[] = {
0x3863FFFC, 0x7C861671, 0x41820090, 0x70600002, 0x41E2001C, 0xA0030004,
@@ -38,6 +39,8 @@ uint32_t cs_code[] = {
0x7C650194, 0x4E800020
};
// 0x7FFFFFFC is the max
constexpr uint32_t test_size = 0x800000;
int main(int argc, char** argv) {
int i;
@@ -53,7 +56,7 @@ int main(int argc, char** argv) {
MPC106* grackle_obj = new MPC106;
/* we need some RAM */
if (!grackle_obj->add_ram_region(0, 0x9000)) {
if (!grackle_obj->add_ram_region(0, 0x1000 + test_size)) {
LOG_F(ERROR, "Could not create RAM region");
delete(grackle_obj);
return -1;
@@ -70,16 +73,34 @@ int main(int argc, char** argv) {
srand(0xCAFEBABE);
for (i = 0; i < 32768; i++) {
mmu_write_vmem<uint8_t>(0x1000+i, rand() % 256);
LOG_F(INFO, "Test size is 0x%X", test_size);
LOG_F(INFO, "First few bytes:");
for (i = 0; i < test_size; i++) {
uint8_t val = rand() % 256;
mmu_write_vmem<uint8_t>(0x1000+i, val);
if (i < 64) {
printf("%02x", val);
if (i % 32 == 31)
printf("\n");
}
}
printf("\n");
power_on = true;
#if 0
/* prepare benchmark code execution */
ppc_state.pc = 0;
ppc_state.gpr[3] = 0x1000; // buf
ppc_state.gpr[4] = 0x8000; // len
ppc_state.gpr[5] = 0; // sum
ppc_state.gpr[3] = 0x1000; // buf
ppc_state.gpr[4] = test_size; // len
ppc_state.gpr[5] = 0; // sum
enter_debugger();
#endif
ppc_state.pc = 0;
ppc_state.gpr[3] = 0x1000; // buf
ppc_state.gpr[4] = test_size; // len
ppc_state.gpr[5] = 0; // sum
ppc_exec_until(0xC4);
LOG_F(INFO, "Checksum: 0x%08X", ppc_state.gpr[3]);
@@ -92,9 +113,9 @@ int main(int argc, char** argv) {
for (i = 0; i < 5; i++) {
ppc_state.pc = 0;
ppc_state.gpr[3] = 0x1000; // buf
ppc_state.gpr[4] = 0x8000; // len
ppc_state.gpr[5] = 0; // sum
ppc_state.gpr[3] = 0x1000; // buf
ppc_state.gpr[4] = test_size; // len
ppc_state.gpr[5] = 0; // sum
auto start_time = std::chrono::steady_clock::now();