LEGO Indiana Jones

[savezelda.git] / twilight.c

diff --git a/twilight.c b/twilight.c
deleted file mode 100644 (file)
index 9ce9a2b..0000000
--- a/twilight.c
+++ /dev/null
@@ -1,222 +0,0 @@
-// Copyright 2008-2009  Segher Boessenkool  <segher@kernel.crashing.org>
-// This code is licensed to you under the terms of the GNU GPL, version 2;
-// see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
-
-#undef DEBUG_GECKO
-#undef DEBUG_BLINK
-
-typedef unsigned int u32;
-typedef unsigned char u8;
-
-int nand_open_E0(const char *path, void *buf, u32 mode);
-int nand_open_E2(const char *path, void *buf, u32 mode);
-int nand_open_J0(const char *path, void *buf, u32 mode);
-int nand_open_P0(const char *path, void *buf, u32 mode);
-
-int nand_read_E0(void *buf, void *dest, u32 len);
-int nand_read_E2(void *buf, void *dest, u32 len);
-int nand_read_J0(void *buf, void *dest, u32 len);
-int nand_read_P0(void *buf, void *dest, u32 len);
-
-void audio_stop_E0(void);
-void audio_stop_E2(void);
-void audio_stop_J0(void);
-void audio_stop_P0(void);
-
-void graphics_stop_E0(void);
-void graphics_stop_E2(void);
-void graphics_stop_J0(void);
-void graphics_stop_P0(void);
-
-static u8 nand_buf[0x100] __attribute__ ((aligned(0x40)));
-
-#ifdef DEBUG_GECKO
-void gecko_print(void *, const char *);
-
-#define PRINT(x) gecko_print(0, x)
-#define HEX(x) hex(x)
-
-static void hex(u32 x)
-{
-       u32 i;
-       u32 digit;
-       char s[10];
-
-       for (i = 0; i < 8; i++) {
-               digit = x >> 28;
-               x <<= 4;
-               s[i] = digit + '0' + (digit < 10 ? 0 : 'a' - 10 - '0');
-       }
-       s[8] = '\n';
-       s[9] = 0;
-       PRINT(s);
-}
-#else
-#define PRINT(x) do { } while (0)
-#define HEX(x) do { } while (0)
-#endif
-
-static void sync_cache(void *p, u32 n)
-{
-       u32 start, end;
-
-       start = (u32)p & ~31;
-       end = ((u32)p + n + 31) & ~31;
-       n = (end - start) >> 5;
-
-       while (n--) {
-               asm("dcbst 0,%0 ; icbi 0,%0" : : "b"(p));
-               p += 32;
-       }
-       asm("sync ; isync");
-}
-
-static void sync_before_read(void *p, u32 n)
-{
-       u32 start, end;
-
-       start = (u32)p & ~31;
-       end = ((u32)p + n + 31) & ~31;
-       n = (end - start) >> 5;
-
-       while (n--) {
-               asm("dcbf 0,%0" : : "b"(p));
-               p += 32;
-       }
-       asm("sync");
-}
-
-static void jump(void *p, u32 arg)
-{
-       PRINT("taking the plunge...\n");
-
-       asm("mr 3,%1 ; mtctr %0 ; bctrl" : : "r"(p), "r"(arg) : "r3");
-
-       PRINT("whoops, payload returned to us\n");
-}
-
-#ifdef DEBUG_BLINK
-static u32 read32(u32 addr)
-{
-       u32 x;
-
-       asm volatile("lwz %0,0(%1) ; sync" : "=r"(x) : "b"(0xc0000000 | addr));
-
-       return x;
-}
-
-static void write32(u32 addr, u32 x)
-{
-       asm("stw %0,0(%1) ; eieio" : : "r"(x), "b"(0xc0000000 | addr));
-}
-
-static void blink(u32 colour)
-{
-       u32 *fb = (u32 *)0xC0F00000;
-       u32 i;
-
-       // blink tray led
-       write32(0x0d8000c0, read32(0x0d8000c0) ^ 0x20);
-
-       for (i = 0; i < 640*576/2; i++)
-               fb[i] = colour;
-}
-#else
-#define blink(x) do { } while(0)
-#endif
-
-void __attribute__ ((noreturn)) main(u32 baddr)
-{
-       int ret, i, len;
-       char *area;
-       char *gameid = (char *)0x80000000;
-       int (*nand_open)(const char *path, void *buf, u32 mode);
-       int (*nand_read)(void *buf, void *dest, u32 len);
-       void (*audio_stop)(void);
-       void (*graphics_stop)(void);
-
-       PRINT("Hello, Brave New World!\n");
-
-       baddr -= 0x2c0;
-
-       switch (gameid[3]) {
-       case 'E':
-               if ((baddr>>16) == 0x8045) {
-                       nand_open = nand_open_E2;
-                       nand_read = nand_read_E2;
-                       audio_stop = audio_stop_E2;
-                       graphics_stop = graphics_stop_E2;
-               } else {
-                       nand_open = nand_open_E0;
-                       nand_read = nand_read_E0;
-                       audio_stop = audio_stop_E0;
-                       graphics_stop = graphics_stop_E0;
-               }
-               break;
-       case 'P':
-               nand_open = nand_open_P0;
-               nand_read = nand_read_P0;
-               audio_stop = audio_stop_P0;
-               graphics_stop = graphics_stop_P0;
-               break;
-       case 'J':
-               nand_open = nand_open_J0;
-               nand_read = nand_read_J0;
-               audio_stop = audio_stop_J0;
-               graphics_stop = graphics_stop_J0;
-               break;
-       default:
-               PRINT("unsupported game region\n");
-               for (;;)
-                       ;
-       }
-
-       audio_stop();
-       graphics_stop();
-
-       blink(0x266a26c0); // maroon
-
-       ret = nand_open("zeldaTp.dat", nand_buf, 1);
-
-       blink(0x7140718a); // olive
-
-       PRINT("nand open --> ");
-       HEX(ret);
-
-       area = (void *)0x90000020;
-
-       // Skip past save game, to loader.bin
-       ret = nand_read(nand_buf, area, 0x4000);
-
-       len = 0;
-       for (i = 0; i < 0x40; i++) {
-               PRINT("reading bootloader page: ");
-               HEX(i);
-
-               blink(0x40804080 + i*0x02000200); // grey
-
-               sync_before_read(area + 0x1000*i, 0x1000);
-               ret = nand_read(nand_buf, area + 0x1000*i, 0x1000);
-               len += ret;
-
-               blink(0x552b5515 + i*0x02000200); // lime
-
-               PRINT("--> ");
-               HEX(ret);
-               PRINT("\n");
-       }
-
-       for (i = 0; i < 0x100; i++)
-               HEX(((u32 *)area)[i]);
-
-       blink(0xc399c36a); // sky blue
-
-       sync_cache(area, len);
-       jump(area, 0x123);
-
-       blink(0x4c544cff); // red
-
-       PRINT("(shouldn't happen)\n");
-       for (;;)
-               ;
-}