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Cycle SM5 core at 1/8 RCP clock.

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This commit is contained in:
Tyler J. Stachecki 2015-10-02 23:37:16 -04:00
parent bb3e305061
commit 8265a98c2f
4 changed files with 40 additions and 15 deletions
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4
.gitmodules vendored Normal file
View file

@ -0,0 +1,4 @@
[submodule "si/sm5emu"]
path = si/sm5emu
url = https://github.com/tj90241/cen64-sm5emu.git
branch = cen64-sm5emu

1
CMakeLists.txt
View file

@ -331,6 +331,7 @@ set(RSP_SOURCES
set(SI_SOURCES
${PROJECT_SOURCE_DIR}/si/cic.c
${PROJECT_SOURCE_DIR}/si/controller.c
${PROJECT_SOURCE_DIR}/si/sm5emu/emu.c
)
set(VI_SOURCES

49
device/device.c
View file

@ -32,6 +32,8 @@ cen64_cold int angrylion_rdp_init(struct cen64_device *device);
cen64_cold static int device_debug_spin(struct cen64_device *device);
cen64_flatten cen64_hot static int device_spin(struct cen64_device *device);
void sm5_cycle(void);
// Creates and initializes a device.
struct cen64_device *device_create(struct cen64_device *device,
const struct rom_file *ddipl, const struct rom_file *ddrom,
@ -147,6 +149,19 @@ void device_run(struct cen64_device *device) {
}
// Continually cycles the device until setjmp returns.
static void spin_rcp_two_cycles(struct cen64_device *device) {
unsigned i;
for (i = 0; i < 2; i++) {
vr4300_cycle(&device->vr4300);
rsp_cycle(&device->rsp);
ai_cycle(&device->ai);
vi_cycle(&device->vi);
}
vr4300_cycle(&device->vr4300);
}
int device_spin(struct cen64_device *device) {
if (setjmp(device->bus.unwind_data))
return 1;
@ -154,21 +169,33 @@ int device_spin(struct cen64_device *device) {
while (1) {
unsigned i;
for (i = 0; i < 4; i++)
spin_rcp_two_cycles(device);
sm5_cycle();
}
return 0;
}
// Continually cycles the device until setjmp returns.
static void debug_spin_rcp_two_cycles(struct cen64_device *device,
struct vr4300_stats *vr4300_stats) {
unsigned i;
for (i = 0; i < 2; i++) {
vr4300_cycle(&device->vr4300);
rsp_cycle(&device->rsp);
ai_cycle(&device->ai);
vi_cycle(&device->vi);
vr4300_cycle_extra(&device->vr4300, vr4300_stats);
}
vr4300_cycle(&device->vr4300);
}
return 0;
vr4300_cycle_extra(&device->vr4300, vr4300_stats);
}
// Continually cycles the device until setjmp returns.
int device_debug_spin(struct cen64_device *device) {
struct vr4300_stats vr4300_stats;
@ -182,18 +209,10 @@ int device_debug_spin(struct cen64_device *device) {
while (1) {
unsigned i;
for (i = 0; i < 2; i++) {
vr4300_cycle(&device->vr4300);
rsp_cycle(&device->rsp);
ai_cycle(&device->ai);
vi_cycle(&device->vi);
for (i = 0; i < 4; i++)
debug_spin_rcp_two_cycles(device, &vr4300_stats);
vr4300_cycle_extra(&device->vr4300, &vr4300_stats);
}
vr4300_cycle(&device->vr4300);
vr4300_cycle_extra(&device->vr4300, &vr4300_stats);
sm5_cycle();
}
return 0;

1
si/sm5emu Submodule

@ -0,0 +1 @@
Subproject commit 2afa46705b7d1ad88b6cbf5d9e38f67e3a27bee5