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native windows threads, set a higher thread priority to the tick thread,

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implement Pause/ResumeEmulator()
This commit is contained in:
gbeauche 2004-12-11 09:42:34 +00:00
parent 2bbbde1e2b
commit 22efcbc6e4
1 changed files with 18 additions and 15 deletions
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33
SheepShaver/src/Windows/main_windows.cpp
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@ -25,7 +25,6 @@
#include <SDL.h>
#include <SDL_mutex.h>
#include <SDL_thread.h>
#include "sysdeps.h"
#include "main.h"
@ -55,6 +54,7 @@
#include "vm_alloc.h"
#include "sigsegv.h"
#include "thunks.h"
#include "util_windows.h"
#define DEBUG 0
#include "debug.h"
@ -99,11 +99,11 @@ static EmulatorData *emulator_data;
static uint8 last_xpram[XPRAM_SIZE]; // Buffer for monitoring XPRAM changes
static bool nvram_thread_active = false; // Flag: NVRAM watchdog installed
static volatile bool nvram_thread_cancel; // Flag: Cancel NVRAM thread
static SDL_Thread *nvram_thread = NULL; // NVRAM watchdog
static HANDLE nvram_thread = NULL; // NVRAM watchdog
static bool tick_thread_active = false; // Flag: MacOS thread installed
static volatile bool tick_thread_cancel; // Flag: Cancel 60Hz thread
static SDL_Thread *tick_thread = NULL; // 60Hz thread
static SDL_Thread *emul_thread = NULL; // MacOS thread
static HANDLE tick_thread = NULL; // 60Hz thread
static HANDLE emul_thread = NULL; // MacOS thread
static uintptr sig_stack = 0; // Stack for PowerPC interrupt routine
uint32 SheepMem::page_size; // Size of a native page
@ -117,8 +117,8 @@ uintptr SheepMem::data; // Top of SheepShaver data (stack like storage)
static bool kernel_data_init(void);
static void kernel_data_exit(void);
static void Quit(void);
static int nvram_func(void *arg);
static int tick_func(void *arg);
static DWORD WINAPI nvram_func(void *arg);
static DWORD WINAPI tick_func(void *arg);
static void jump_to_rom(uint32 entry);
extern void emul_ppc(uint32 start);
@ -547,16 +547,19 @@ int main(int argc, char **argv)
// Start 60Hz thread
tick_thread_cancel = false;
tick_thread_active = ((tick_thread = SDL_CreateThread(tick_func, NULL)) != NULL);
tick_thread_active = ((tick_thread = create_thread(tick_func)) != NULL);
SetThreadPriority(tick_thread, THREAD_PRIORITY_ABOVE_NORMAL);
D(bug("Tick thread installed (%ld)\n", tick_thread));
// Start NVRAM watchdog thread
memcpy(last_xpram, XPRAM, XPRAM_SIZE);
nvram_thread_cancel = false;
nvram_thread_active = ((nvram_thread = SDL_CreateThread(nvram_func, NULL)) != NULL);
nvram_thread_active = ((nvram_thread = create_thread(nvram_func, NULL)) != NULL);
SetThreadPriority(nvram_thread, THREAD_PRIORITY_BELOW_NORMAL);
D(bug("NVRAM thread installed (%ld)\n", nvram_thread));
// Jump to ROM boot routine
// Get my thread ID and jump to ROM boot routine
emul_thread = GetCurrentThread();
D(bug("Jumping to ROM\n"));
jump_to_rom(ROM_BASE + 0x310000);
D(bug("Returned from ROM\n"));
@ -579,13 +582,13 @@ static void Quit(void)
// Stop 60Hz thread
if (tick_thread_active) {
tick_thread_cancel = true;
SDL_WaitThread(tick_thread, NULL);
wait_thread(tick_thread);
}
// Stop NVRAM watchdog thread
if (nvram_thread_active) {
nvram_thread_cancel = true;
SDL_WaitThread(nvram_thread, NULL);
wait_thread(nvram_thread);
}
// Save NVRAM
@ -747,12 +750,12 @@ void QuitEmulator(void)
void PauseEmulator(void)
{
// TODO: implement pause/resume
SuspendThread(emul_thread);
}
void ResumeEmulator(void)
{
// TODO: implement pause/resume
ResumeThread(emul_thread);
}
@ -815,7 +818,7 @@ static void nvram_watchdog(void)
}
}
static int nvram_func(void *arg)
static DWORD nvram_func(void *arg)
{
while (!nvram_thread_cancel) {
for (int i=0; i<60 && !nvram_thread_cancel; i++)
@ -830,7 +833,7 @@ static int nvram_func(void *arg)
* 60Hz thread (really 60.15Hz)
*/
static int tick_func(void *arg)
static DWORD tick_func(void *arg)
{
int tick_counter = 0;
uint64 start = GetTicks_usec();