sram bugfix + savestate refactoring

[picodrive.git] / platform / pandora / pandora.c

#include <stdio.h>\r
#include <stdlib.h>\r
#include <stdarg.h>\r
#include <string.h>\r
#include <unistd.h>\r
#include <sys/mman.h>\r
#include <sys/types.h>\r
#include <sys/stat.h>\r
#include <linux/fb.h>\r
#include <fcntl.h>\r
#include <errno.h>\r
\r
#include "../linux/sndout_oss.h"\r
#include "../common/arm_linux.h"\r
#include "../common/emu.h"\r
#include "pandora.h"\r
\r
static int fbdev = -1;\r
\r
#define SCREEN_MAP_SIZE (800*480*2)\r
static void *screen = MAP_FAILED;\r
\r
/* common */\r
void pnd_init(void)\r
{\r
	printf("entering init()\n"); fflush(stdout);\r
\r
	fbdev = open("/dev/fb0", O_RDWR);\r
	if (fbdev == -1)\r
	{\r
		perror("open(\"/dev/fb0\")");\r
		exit(1);\r
	}\r
\r
	screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);\r
	if (screen == MAP_FAILED)\r
	{\r
		perror("mmap(fbptr)");\r
		exit(1);\r
	}\r
	printf("fbptr %p\n", screen);\r
	g_screen_ptr = screen;\r
\r
	// snd\r
	sndout_oss_init();\r
\r
	printf("exitting init()\n"); fflush(stdout);\r
}\r
\r
void pnd_exit(void)\r
{\r
	if (screen != MAP_FAILED)\r
		munmap(screen, SCREEN_MAP_SIZE);\r
	if (fbdev >= 0)\r
		close(fbdev);\r
\r
	sndout_oss_exit();\r
\r
	printf("all done");\r
}\r
\r
/* lprintf */\r
void lprintf(const char *fmt, ...)\r
{\r
	va_list vl;\r
\r
	va_start(vl, fmt);\r
	vprintf(fmt, vl);\r
	va_end(vl);\r
}\r
\r
\r
/* fake GP2X */\r
/*\r
void set_gamma(int g100, int A_SNs_curve) {}\r
void set_FCLK(unsigned MHZ) {}\r
void set_LCD_custom_rate(int rate) {}\r
void unset_LCD_custom_rate(void) {}\r
void Pause940(int yes) {}\r
void Reset940(int yes, int bank) {}\r
*/\r