Add support for the Creative ZEN and renew the way firmwares are
created. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17239 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere
parent
4f4025f94b
commit
ad9d45a715
2 changed files with 61 additions and 38 deletions
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@ -30,17 +30,31 @@ static const char null_key_v2[] = "CTL:N0MAD|PDE0.DPMP.";
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static const char null_key_v3[] = "CTL:Z3N07|PDE0.DPMP.";
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static const char null_key_v4[] = "CTL:N0MAD|PDE0.DPFP.";
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static const struct device_info devices[] =
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static const unsigned char bootloader_v1[] =
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{
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0e\0n\0 \0V\0i\0s\0i\0o\0n\0:\0M",
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42, null_key_v2},
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0e\0n\0 \0V\0i\0s\0i\0o\0n\0:\0M\0 \0G\0o\0!",
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50, null_key_v2},
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0e\0n\0 \0V\0i\0s\0i\0o\0n\0 \0©\0T\0L",
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48, null_key_v2},
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0E\0N\0 \0V", 42, null_key_v4}
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0xD3, 0xF0, 0x29, 0xE3, /* MSR CPSR_cf, #0xD3 */
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0x09, 0xF6, 0xA0, 0xE3 /* MOV PC, #0x900000 */
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};
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static const unsigned char bootloader_v2[] =
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{
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0xD3, 0xF0, 0x29, 0xE3, /* MSR CPSR_cf, #0xD3 */
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0x09, 0xF6, 0xA0, 0xE3 /* MOV PC, #0x40000000 */
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};
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static const unsigned char bootloader_v3[] =
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{
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0 /* Unknown */
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};
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static const struct device_info devices[] =
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{
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0e\0n\0 \0V\0i\0s\0i\0o\0n\0:\0M", 42, null_key_v2, bootloader_v1, sizeof(bootloader_v1), 0x00900000},
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0e\0n\0 \0V\0i\0s\0i\0o\0n\0:\0M\0 \0G\0o\0!", 50, null_key_v2, bootloader_v1, sizeof(bootloader_v1), 0x00900000},
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0e\0n\0 \0V\0i\0s\0i\0o\0n\0 \0©\0T\0L", 48, null_key_v2, bootloader_v1, sizeof(bootloader_v1), 0x00900000},
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0E\0N\0 \0V", 42, null_key_v4, bootloader_v3, sizeof(bootloader_v3), 0x00000000},
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{"C\0r\0e\0a\0t\0i\0v\0e\0 \0Z\0E\0N", 48, null_key_v3, bootloader_v2, sizeof(bootloader_v2), 0x40000000}
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};
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/*
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Create a Zen Vision:M FRESCUE structure file
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@ -49,7 +63,7 @@ extern void int2le(unsigned int val, unsigned char* addr);
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extern unsigned int le2int(unsigned char* buf);
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static int make_ciff_file(unsigned char *inbuf, int length,
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static int make_ciff_file(unsigned char *inbuf, unsigned int length,
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unsigned char *outbuf, int device)
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{
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unsigned char key[20];
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@ -74,14 +88,11 @@ static int make_ciff_file(unsigned char *inbuf, int length,
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return length+0x90+0x1C+8;
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}
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static int make_jrm_file(unsigned char *inbuf, int length,
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unsigned char *outbuf)
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static int make_jrm_file(unsigned char *inbuf, unsigned int length,
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unsigned char *outbuf, int device)
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{
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int i;
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unsigned int i;
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unsigned int sum = 0;
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/* Calculate checksum for later use in header */
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for(i=0; i<length; i+= 4)
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sum += le2int(&inbuf[i]) + (le2int(&inbuf[i])>>16);
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/* Clear the header area to zero */
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memset(outbuf, 0, 0x18);
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@ -89,34 +100,42 @@ static int make_jrm_file(unsigned char *inbuf, int length,
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/* Header (EDOC) */
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memcpy(outbuf, "EDOC", 4);
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/* Total Size */
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int2le(length+0x20, &outbuf[0x4]);
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#define SIZEOF_BOOTLOADER_CODE devices[device].bootloader_size
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int2le(4+0xC+SIZEOF_BOOTLOADER_CODE+0xC+length, &outbuf[0x4]);
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/* 4 bytes of zero */
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/* Address = 0x900000 */
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int2le(0x900000, &outbuf[0xC]);
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memset(&outbuf[0x8], 0, 0x4);
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/* First block starts here ... */
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/* Address = 0x0 */
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memset(&outbuf[0xC], 0, 0x4);
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/* Size */
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int2le(length, &outbuf[0x10]);
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int2le(SIZEOF_BOOTLOADER_CODE, &outbuf[0x10]);
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/* Checksum */
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for(i=0; i<SIZEOF_BOOTLOADER_CODE; i+= 4)
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sum += le2int((unsigned char*)&devices[device].bootloader[i]) + (le2int((unsigned char*)&devices[device].bootloader[i])>>16);
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int2le(sum, &outbuf[0x14]);
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outbuf[0x16] = 0;
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outbuf[0x17] = 0;
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/* Data starts here... */
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memcpy(&outbuf[0x18], inbuf, length);
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/*Data */
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memcpy(&outbuf[0x18], devices[device].bootloader, SIZEOF_BOOTLOADER_CODE);
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/* Second block starts here ... */
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/* Address = 0x0 */
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/* Address = depends on target */
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#define SB_START (0x18+SIZEOF_BOOTLOADER_CODE)
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int2le(devices[device].memory_address, &outbuf[SB_START]);
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/* Size */
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int2le(0x4, &outbuf[0x18+length+0x4]);
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int2le(length, &outbuf[SB_START+0x4]);
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/* Checksum */
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outbuf[0x18+length+0x8] = 0xA9;
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outbuf[0x18+length+0x9] = 0xD9;
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/* Data: MOV PC, 0x900000 */
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outbuf[0x18+length+0xC] = 0x09;
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outbuf[0x18+length+0xD] = 0xF6;
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outbuf[0x18+length+0xE] = 0xA0;
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outbuf[0x18+length+0xF] = 0xE3;
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return length+0x18+0x10;
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sum = 0;
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for(i=0; i<length; i+= 4)
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sum += le2int(&inbuf[i]) + (le2int(&inbuf[i])>>16);
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int2le(sum, &outbuf[SB_START+0x8]);
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outbuf[SB_START+0xA] = 0;
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outbuf[SB_START+0xB] = 0;
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/* Data */
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memcpy(&outbuf[SB_START+0xC], inbuf, length);
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return SB_START+0xC+length;
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}
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int zvm_encode(char *iname, char *oname, int device)
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@ -156,7 +175,7 @@ int zvm_encode(char *iname, char *oname, int device)
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printf("out of memory!\n");
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return -1;
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}
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length = make_jrm_file(buf, len, outbuf);
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length = make_jrm_file(buf, len, outbuf, device);
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free(buf);
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buf = (unsigned char*)malloc(length+0x200);
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memset(buf, 0, length+0x200);
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@ -25,15 +25,19 @@ enum
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ZENVISIONM = 0,
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ZENVISIONM60 = 1,
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ZENVISION = 2,
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ZENV = 3
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ZENV = 3,
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ZEN = 4
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};
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struct device_info
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{
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const char* cinf; /*Must be Unicode encoded*/
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const int cinf_size;
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const unsigned int cinf_size;
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const char* null;
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} device_info;
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const unsigned char* bootloader;
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const unsigned int bootloader_size;
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const unsigned int memory_address;
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};
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int zvm_encode(char *iname, char *oname, int device);
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