#include <errno.h>
#include <time.h>
#include <sys/resource.h>
+#include <sys/ioctl.h>
+#include <linux/soundcard.h>
+#include <linux/fb.h>
#include "header.h"
+#include "../common/host_fb.h"
+#include "../common/cmn.h"
#include "sys_cacheflush.h"
+#include "realfuncs.h"
-//#define LOG_IO
-//#define LOG_IO_UNK
+#if (dbg & 2)
+#define LOG_IO_UNK
+#endif
+#if (dbg & 4)
+#define LOG_IO
+#endif
//#define LOG_SEGV
#ifdef LOG_IO
u32 *regs = (u32 *)&context->uc_mcontext.arm_r0;
u32 *pc = (u32 *)regs[15];
struct op_context *op_ctx;
- int lp_size;
+ int i, lp_size;
if (((regs[15] ^ (u32)&segv_sigaction) & 0xff000000) == 0 || // PC is in our segment or
(((regs[15] ^ (u32)g_linkpage) & ~(LINKPAGE_ALLOC - 1)) == 0) || // .. in linkpage
{
// real crash - time to die
err("segv %d %p @ %08x\n", info->si_code, info->si_addr, regs[15]);
+ for (i = 0; i < 8; i++)
+ err(" r%d=%08x r%2d=%08x\n", i, regs[i], i+8, regs[i+8]);
signal(num, SIG_DFL);
raise(num);
return;
void emu_init(void *map_bottom)
{
- struct sigaction segv_action = {
+ sigaction_t segv_action = {
.sa_sigaction = segv_sigaction,
.sa_flags = SA_SIGINFO,
};
*((char *)g_handler_stack_end - 4096) = 1;
g_linkpage = (void *)(((u32)map_bottom - LINKPAGE_ALLOC) & ~0xfff);
- pret = mmap(g_linkpage, LINKPAGE_ALLOC, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+ pret = mmap(g_linkpage, LINKPAGE_ALLOC, PROT_READ|PROT_WRITE,
+ MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
if (pret != g_linkpage) {
perror(PFX "mmap linkpage");
exit(1);
// host stuff
ret = host_video_init(&host_stride, 0);
if (ret != 0) {
- err("can't alloc screen\n");
+ err("can't init video\n");
exit(1);
}
host_screen = host_video_flip();
// mmsp2 defaults
mmsp2.mlc_stl_adr = 0x03101000; // fb2 is at 0x03381000
+ mmsp2.mlc_stl_cntl = 0x4ab; // 16bpp, region 1 active
sigemptyset(&segv_action.sa_mask);
sigaction(SIGSEGV, &segv_action, NULL);
if (fd == FAKEDEV_FB1)
return emu_mmap_dev(length, prot, flags, offset + 0x03381000);
- err("bad/ni mmap(?, %d, %x, %x, %d, %08x)", length, prot, flags, fd, offset);
+ err("bad/ni mmap(?, %d, %x, %x, %d, %08x)\n", length, prot, flags, fd, offset);
errno = EINVAL;
return MAP_FAILED;
}
-#include <sys/ioctl.h>
-#include <linux/soundcard.h>
-
static int emu_sound_ioctl(int fd, int request, void *argp)
{
int *arg = argp;
return ioctl(fd, request, argp);
}
-#include <linux/fb.h>
-
int emu_do_ioctl(int fd, int request, void *argp)
{
if (fd == emu_interesting_fds[IFD_SOUND].fd)
return emu_sound_ioctl(fd, request, argp);
- if (argp == NULL)
- goto fail;
+ switch (fd) {
+ /* *********************** */
+ case FAKEDEV_FB0:
+ case FAKEDEV_FB1:
+ if (argp == NULL)
+ goto fail;
- if (fd == FAKEDEV_FB0 || fd == FAKEDEV_FB1) {
switch (request) {
case FBIOGET_FSCREENINFO: {
struct fb_fix_screeninfo *fix = argp;
strcpy(fix->id, "mmsp2_RGB0");
fix->type = FB_TYPE_PACKED_PIXELS;
fix->accel = FB_ACCEL_NONE;
+ fix->visual = FB_VISUAL_TRUECOLOR;
+ fix->line_length = 320*2;
fix->smem_start = (fd == FAKEDEV_FB0) ? 0x03101000 : 0x03381000;
fix->smem_len = 320*240*2;
return 0;
}
case FBIOGET_VSCREENINFO: {
struct fb_var_screeninfo *var = argp;
- static const struct fb_bitfield fbb_red = { offset: 0, length: 4, };
- static const struct fb_bitfield fbb_green = { offset: 0, length: 4, };
- static const struct fb_bitfield fbb_blue = { offset: 0, length: 4, };
+ static const struct fb_bitfield fbb_red = { offset: 11, length: 5, };
+ static const struct fb_bitfield fbb_green = { offset: 5, length: 6, };
+ static const struct fb_bitfield fbb_blue = { offset: 0, length: 5, };
memset(var, 0, sizeof(*var));
var->activate = FB_ACTIVATE_NOW;
var->blue = fbb_blue;
return 0;
}
+ case FBIOPUT_VSCREENINFO: {
+ struct fb_var_screeninfo *var = argp;
+ dbg(" put vscreen: %dx%d@%d\n", var->xres, var->yres, var->bits_per_pixel);
+ if (var->xres != 320 || var->yres != 240 || var->bits_per_pixel != 16)
+ return -1;
+ return 0;
+ }
}
+
+ /* *********************** */
+ case FAKEDEV_TTY0:
+ // fake tty0 to make GPH SDL happy
+ if (request == 0x4b46) // KDGKBENT
+ return -1;
+ return 0;
}
fail:
- err("bad/ni ioctl(%d, %08x, %p)", fd, request, argp);
+ err("bad/ni ioctl(%d, %08x, %p)\n", fd, request, argp);
errno = EINVAL;
return -1;
}
+static const struct {
+ const char *from;
+ const char *to;
+} path_map[] = {
+ { "/mnt/tmp/", "/tmp/" },
+};
+
+// FIXME: threads..
+static const char *wrap_path(const char *path)
+{
+ static char tmp_path[512];
+ int i, len;
+
+ // do only path mapping for now
+ for (i = 0; i < ARRAY_SIZE(path_map); i++) {
+ len = strlen(path_map[i].from);
+ if (strncmp(path, path_map[i].from, len) == 0) {
+ snprintf(tmp_path, sizeof(tmp_path), "%s%s", path_map[i].to, path + len);
+ dbg("mapped path \"%s\" -> \"%s\"\n", path, tmp_path);
+ return tmp_path;
+ }
+ }
+
+ return path;
+}
+
+void *emu_do_fopen(const char *path, const char *mode)
+{
+ return fopen(wrap_path(path), mode);
+}
+
+int emu_do_system(const char *command)
+{
+ static char tmp_path[512];
+ char *p, *p2;
+
+ if (command == NULL)
+ return -1;
+
+ // pass through stuff in PATH
+ p = strchr(command, ' ');
+ p2 = strchr(command, '/');
+ if (p2 == NULL || (p != NULL && p2 > p))
+ return system(command);
+
+ make_local_path(tmp_path, sizeof(tmp_path), "ginge_prep");
+ p = tmp_path + strlen(tmp_path);
+
+ snprintf(p, sizeof(tmp_path) - (p - tmp_path), " %s", wrap_path(command));
+ dbg("system: \"%s\"\n", tmp_path);
+ return system(tmp_path);
+}
+
notaz.gp2x.de / ginge.git / blobdiff