initial commit

Makefile

@@ -0,0 +1,17 @@
+SUBDIRS = installer launcher demo
+
+all: subdirs
+
+subdirs:
+	for dir in $(SUBDIRS); do \
+	  $(MAKE) -C $$dir; \
+	done
+
+clean: subdirs_clean
+
+subdirs_clean:
+	for dir in $(SUBDIRS); do \
+	  $(MAKE) -C $$dir clean; \
+	done
+
+.PHONY: subdirs subdirs_clean $(SUBDIRS)

config.mk

@@ -0,0 +1,6 @@
+BASELIBC = ../../Baselibc
+
+CC = mipsel-sde-elf-gcc
+LD = $(CC)
+CFLAGS = -G0 -mno-gpopt -Wall -W -march=mips32r2
+LDFLAGS = -G0 -nostartfiles -nostdlib -T actsemi.ld -Wl,-n

demo/Makefile

@@ -0,0 +1,12 @@
+include ../config.mk
+TARGET = demo.elf
+
+CFLAGS += -O2 -I$(BASELIBC)/include
+LIBS = -L$(BASELIBC) -lc
+OBJS = demo.o
+
+$(TARGET): $(OBJS)
+	$(LD) $(LDFLAGS) -o $@ $< $(LIBS)
+
+clean:
+	rm -f $(OBJS) $(TARGET)

demo/actsemi.ld

@@ -0,0 +1,25 @@
+ENTRY(_init_proc)
+
+SECTIONS
+{
+	. = 0x51400000;
+	/* . = 0x52000000; */
+	.init : { *(.init) }
+	.text :	{ *(.text) }
+	.fini : { *(.fini) }
+	. = ALIGN(4);
+	.dlsym : { *(.dlsym) }
+	.dlstr : { *(.dlstr) }
+	. = ALIGN(0x20000);
+	.ctors : { *(.ctors) }
+	.dtors : { *(.dtors) }
+	. = ALIGN(4);
+	.data : { *(.data); *(.sdata); *(.rodata*) }
+	. = ALIGN(4);
+	.sbss : { KEEP(*(.sbss)); *(.scommon) }
+	. = ALIGN(4);
+	/* _bss_start = .; */
+	.bss  : { KEEP(*(.bss))  }
+	/* _bss_end = .; */
+	end = .; _end = .; __end = .;
+}

demo/demo.c

@@ -0,0 +1,230 @@
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+
+#define VERSION "R1.02"
+
+//#define DEBUG_VERBOSE
+
+int open(const char *pathname, int flags, ...);
+int write(int fd, const void *buf, unsigned int count);
+int close(int fd);
+
+int usleep(int usecs);
+
+void api_install(int id, void **apitbl);
+unsigned int get_count(void);
+
+#define O_WRONLY 0x0001
+#define O_CREAT 0x0200
+#define O_TRUNC 0x0400
+
+#define SEEK_END 2
+
+int p1CoreLoop(void);
+void p1EnqueueKey(void *input);
+int p1_control(int cmd, void *data);
+
+void *p1apitbl[] = {
+  p1CoreLoop,
+  p1EnqueueKey,
+  p1_control
+};
+const void *p1apitbl_p = p1apitbl;
+
+char t[256];	/* text buffer */
+int fd;	/* debug output fd */
+
+void  __attribute__ ((section (".init"))) _init_proc(void)
+{
+  fd = open("/mnt/disk0/test.txt", O_WRONLY | O_CREAT | O_TRUNC);
+#define HELLO_WORLD "Hello, World, version " VERSION "!\n"
+  write(fd, HELLO_WORLD, sizeof(HELLO_WORLD) - 1);
+
+  api_install(7, p1apitbl);
+}
+
+void __attribute__ ((section (".fini"))) _term_proc(void)
+{
+}
+
+uint32_t general_plugin_info = 0;
+uint32_t *get_plugin_info(void)
+{
+  return &general_plugin_info;
+}
+
+const char *P1_SO_VERSION = VERSION;
+
+struct rect {
+  uint32_t w;
+  uint32_t h;
+};
+
+struct rect screen_size;
+uint16_t *screen_fb;
+int redraw = 0;
+
+int p1CoreLoop(void)
+{
+  static unsigned int last_run = 0;
+  unsigned int elapsed = get_count() - last_run;
+  if (elapsed < 16) {
+    //if (elapsed < 6)
+    //  usleep(5000);
+    return 0;
+  }
+  last_run = get_count();
+  static int y = 0;
+  static int dir = 1;
+#ifdef DEBUG_VERBOSE
+  sprintf(t, "loop at %u\n", last_run);
+  write(fd, t, strlen(t));
+#endif
+  memset(screen_fb, 0, 320 * 240 * 2);
+  memset(screen_fb + y * 320, 0xff, 20 * 320 * 2);
+  y += dir;
+  if (y >= 220 || y == 0)
+    dir = -dir;
+  redraw = 1;
+  return 0;
+}
+
+void p1EnqueueKey(void *input)
+{
+#ifdef DEBUG_VERBOSE
+  write(fd, "key\n", 4);
+#endif
+}
+
+struct cmd_22 {
+  uint32_t key_code_mode;
+  uint32_t key_code[0x10];
+  uint32_t key_file_len;
+};
+
+int cmd_22(struct cmd_22 *data)
+{
+  return 0;
+}
+
+int max_screen_dimensions(struct rect *r)
+{
+  sprintf(t, "screen size %d/%d\n", (int)r->w, (int)r->h);
+  write(fd, t, strlen(t));
+  screen_size = *r;
+  return 0;
+}
+
+struct rect_form {
+  uint32_t w;
+  uint32_t h;
+  uint32_t format;
+};
+
+int get_our_dimensions(struct rect_form *rf)
+{
+  rf->w = 320;
+  rf->h = 240;
+  rf->format = 1;
+  return 0;
+}
+
+int p1_control(int cmd, void *data)
+{
+  int ret;
+#ifdef DEBUG_VERBOSE
+  sprintf(t, "cmd %d data 0x%x\n", cmd, (unsigned int)data);
+  write(fd, t, strlen(t));
+#endif
+
+  switch (cmd) {
+    case 0:	/* init */
+      return 0;
+    case 1:	/* reset */
+      write(fd, "reset!\n", 7);
+      return 0;
+    case 2:	/* game name? */
+      sprintf(t, "name %s\n", (char *)data);
+      write(fd, t, strlen(t));
+      return 0;
+    case 3:
+      write(fd, "shutdown\n", 9);
+      close(fd);
+      return 0;
+    case 4:
+      sprintf(t, "another name %s\n", (char *)data);
+      write(fd, t, strlen(t));
+      return 0;
+    case 7:	/* sound enable */
+      sprintf(t, "sound enable %d\n", *((int *)data));
+      write(fd, t, strlen(t));
+      return 0;
+    case 13:	/* get our dimensions, format */
+      return get_our_dimensions((struct rect_form *)data);
+    case 14:
+#ifdef DEBUG_VERBOSE
+      sprintf(t, "framebuffer addr 0x%x\n", *((unsigned int *)data));
+      write(fd, t, strlen(t));
+#endif
+      screen_fb = *((uint16_t **)data);
+      return 0;
+    case 15:
+      return max_screen_dimensions((struct rect*)data);
+    case 16:	/* screen mode */
+      sprintf(t, "screen mode %d\n", *((int *)data));
+      write(fd, t, strlen(t));
+      return 0;
+    case 17:	/* get redraw flag */
+#ifdef DEBUG_VERBOSE
+      sprintf(t, "redraw?\n");
+      write(fd, t, strlen(t));
+#endif
+      ret = redraw;
+      redraw = 0;
+      return ret;
+    case 18:	/* input mode */
+      sprintf(t, "input mode %d\n", *((int *)data));
+      write(fd, t, strlen(t));
+      return 0;
+    case 22:
+      return cmd_22((struct cmd_22 *)data);
+    default:
+      sprintf(t, "unknown command %d, data 0x%x\n", cmd, (unsigned int)data);
+      write(fd, t, strlen(t));
+      return 0;
+  }
+}
+
+#define SYSCALL(name, no) \
+  asm(".global " #name "\n" \
+      #name ":\n" \
+      "li $v1, " #no "\n" \
+      "syscall 0\n");
+
+SYSCALL(open, 0x60000)
+SYSCALL(write, 0x60003)
+SYSCALL(lseek, 0x60004)
+SYSCALL(close, 0x60001)
+SYSCALL(api_install, 0x10028)
+//SYSCALL(malloc, 0x1003a)
+//SYSCALL(free, 0x1003b)
+SYSCALL(get_count, 0x10038)
+SYSCALL(usleep, 0x70084)
+
+asm(
+".section .dlsym,\"a\"\n"
+".word P1_SO_VERSION\n"
+".word _dlstr_P1_SO_VERSION\n"
+".word get_plugin_info\n"
+".word _dlstr_get_plugin_info\n"
+".word p1apitbl\n"
+".word _dlstr_api_table\n"
+".section .dlstr,\"a\"\n"
+"_dlstr_P1_SO_VERSION:\n"
+".string \"P1_SO_VERSION\\0\"\n"
+"_dlstr_get_plugin_info:\n"
+".string \"get_plugin_info\\0\"\n"
+"_dlstr_api_table:\n"
+".string \"api_table\\0\"\n"
+);

installer/Makefile

@@ -0,0 +1,12 @@
+include ../config.mk
+TARGET = installer.elf
+
+CFLAGS += -O2 -I$(BASELIBC)/include
+LIBS = -L$(BASELIBC) -lc
+OBJS = installer.o
+
+$(TARGET): $(OBJS)
+	$(LD) $(LDFLAGS) -o $@ $< $(LIBS)
+
+clean:
+	rm -f $(OBJS) $(TARGET)

installer/actsemi.ld

@@ -0,0 +1,24 @@
+ENTRY(_init_proc)
+
+SECTIONS
+{
+	. = 0x51400000;
+	.init : { *(.init) }
+	.text :	{ *(.text) }
+	.fini : { *(.fini) }
+	. = ALIGN(4);
+	.dlsym : { *(.dlsym) }
+	.dlstr : { *(.dlstr) }
+	. = ALIGN(0x20000);
+	.ctors : { *(.ctors) }
+	.dtors : { *(.dtors) }
+	. = ALIGN(4);
+	.data : { *(.data); *(.sdata); *(.rodata*) }
+	. = ALIGN(4);
+	.sbss : { KEEP(*(.sbss)); *(.scommon) }
+	. = ALIGN(4);
+	/* _bss_start = .; */
+	.bss  : { KEEP(*(.bss))  }
+	/* _bss_end = .; */
+	end = .; _end = .; __end = .;
+}