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[libpicofe.git] / psp / psp.c

diff --git a/psp/psp.c b/psp/psp.c
index 6b65c2a..4046e29 100644 (file)
--- a/psp/psp.c
+++ b/psp/psp.c
@@ -7,6 +7,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <pspkernel.h>
 #include <pspiofilemgr.h>
@@ -19,19 +20,20 @@
 #include "psp.h"
 #include "emu.h"
 #include "../common/lprintf.h"
+#include "version.h"
 
 extern int pico_main(void);
 
 #ifndef FW15
 
-PSP_MODULE_INFO("PicoDrive", 0, 1, 35);
+PSP_MODULE_INFO("PicoDrive", 0, 1, 50);
 PSP_HEAP_SIZE_MAX();
 
 int main() { return pico_main(); }     /* just a wrapper */
 
 #else
 
-PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 35);
+PSP_MODULE_INFO("PicoDrive", 0x1000, 1, 50);
 PSP_MAIN_THREAD_ATTR(0);
 
 int main()
@@ -59,6 +61,8 @@ int main()
 unsigned int __attribute__((aligned(16))) guCmdList[GU_CMDLIST_SIZE];
 
 void *psp_screen = VRAM_FB0;
+int psp_unhandled_suspend = 0;
+
 static int current_screen = 0; /* front bufer */
 
 static SceUID main_thread_id = -1;
@@ -76,19 +80,26 @@ static int exit_callback(int arg1, int arg2, void *common)
 static int power_callback(int unknown, int pwrflags, void *common)
 {
        static int old_state = PGS_Menu;
+       int i;
 
        lprintf("power_callback: flags: 0x%08X\n", pwrflags);
 
        /* check for power switch and suspending as one is manual and the other automatic */
        if (pwrflags & PSP_POWER_CB_POWER_SWITCH || pwrflags & PSP_POWER_CB_SUSPENDING || pwrflags & PSP_POWER_CB_STANDBY)
        {
-               if (engineState != PGS_Suspending) {
+               if (engineState != PGS_Suspending && engineState != PGS_SuspendAck) {
                        old_state = engineState;
                        engineState = PGS_Suspending;
                }
+               for (i = 0; i < 10 && engineState != PGS_SuspendAck; i++)
+                       sceKernelDelayThread(100*1024);
+
        }
        else if (pwrflags & PSP_POWER_CB_RESUME_COMPLETE)
+       {
                engineState = old_state;
+               psp_unhandled_suspend = 1;
+       }
 
        //sceDisplayWaitVblankStart();
        return 0;
@@ -115,9 +126,15 @@ static int callback_thread(SceSize args, void *argp)
 void psp_init(void)
 {
        SceUID thid;
+       char buff[128], *r;
+
+       /* fw 1.5 sometimes returns 8002032c, although getcwd works */
+       r = getcwd(buff, sizeof(buff));
+       if (r) sceIoChdir(buff);
 
        main_thread_id = sceKernelGetThreadId();
 
+       lprintf("\n%s\n", "PicoDrive v" VERSION " " __DATE__ " " __TIME__);
        lprintf("running on %08x kernel\n", sceKernelDevkitVersion()),
        lprintf("entered psp_init, threadId %08x, priority %i\n", main_thread_id,
                sceKernelGetThreadCurrentPriority());
@@ -258,6 +275,28 @@ void psp_wait_suspend(void)
        sceDisplayWaitVblankStart();
 }
 
+void psp_resume_suspend(void)
+{
+       // for some reason file IO doesn't seem to work
+       // after resume for some period of time, at least on 1.5
+       SceUID fd;
+       int i;
+       for (i = 0; i < 30; i++) {
+               fd = sceIoOpen("EBOOT.PBP", PSP_O_RDONLY, 0777);
+               if (fd >= 0) break;
+               sceKernelDelayThread(100 * 1024);
+       }
+       if (fd >= 0) sceIoClose(fd);
+       sceDisplayWaitVblankStart();
+       psp_unhandled_suspend = 0;
+       if (i < 30)
+               lprintf("io resumed after %i tries\n", i);
+       else {
+               lprintf("io resume failed with %08x\n", fd);
+               sceKernelDelayThread(500 * 1024);
+       }
+}
+
 /* alt logging */
 #define LOG_FILE "log.txt"
 
@@ -271,6 +310,8 @@ typedef struct _log_entry
 static log_entry *le_root = NULL;
 #endif
 
+/* strange: if this function leaks memory (before psp_init() call?),
+ * resume after suspend breaks on 3.90 */
 void lprintf(const char *fmt, ...)
 {
        va_list vl;
@@ -281,6 +322,7 @@ void lprintf(const char *fmt, ...)
        va_end(vl);
 #else
        static SceUID logfd = -1;
+       static int msg_count = 0;
        char buff[256];
        log_entry *le, *le1;
 
@@ -307,7 +349,7 @@ void lprintf(const char *fmt, ...)
 
        logfd = sceIoOpen(LOG_FILE, PSP_O_WRONLY|PSP_O_APPEND, 0777);
        if (logfd < 0) {
-               logfd = -2;
+               if (msg_count == 0) logfd = -2;
                return;
        }
 
@@ -321,10 +363,12 @@ void lprintf(const char *fmt, ...)
                        le1 = le->next;
                        sceIoWrite(logfd, le->buff, strlen(le->buff));
                        free(le);
+                       msg_count++;
                }
        }
 
        sceIoWrite(logfd, buff, strlen(buff));
+       msg_count++;
 
        // make sure it gets flushed
        sceIoClose(logfd);