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now supporting V2 Recorder, firmware_flash has extra checks against files for wrong platform (hope it's not too strict, causing false rejects)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4084 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jörg Hohensohn 2003-11-30 17:24:42 +00:00
parent 6a4e4c87c2
commit 4a80a738f1
2 changed files with 80 additions and 11 deletions
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89
apps/plugins/firmware_flash.c
View file

@ -21,9 +21,7 @@
****************************************************************************/
#include "plugin.h"
#ifndef ARCHOS_RECORDERV2
#ifndef SIMULATOR
#ifndef SIMULATOR /* only for target */
/* define DUMMY if you only want to "play" with the UI, does no harm */
/* #define DUMMY */
@ -40,15 +38,28 @@
#define UINT32 unsigned long
#endif
/* platform IDs as I have used them in my firmware templates */
#define ID_RECORDER 0
#define ID_FM 1
#define ID_PLAYER 2
#define ID_REC_V2 3
#if defined(ARCHOS_PLAYER)
#define FILE_TYPE "player"
#define KEEP VERSION_ADR /* keep the firmware version */
#define PLATFORM_ID ID_PLAYER
#elif defined(ARCHOS_RECORDER)
#define FILE_TYPE "rec"
#define KEEP MASK_ADR /* keep the mask value */
#define PLATFORM_ID ID_RECORDER
#elif defined(ARCHOS_RECORDERV2)
#define FILE_TYPE "v2"
#define KEEP MASK_ADR /* keep the mask value */
#define PLATFORM_ID ID_REC_V2
#elif defined(ARCHOS_FMRECORDER)
#define FILE_TYPE "fm"
#define KEEP MASK_ADR /* keep the mask value */
#define PLATFORM_ID ID_FM
#else
#error ("No known platform given!")
#endif
@ -63,6 +74,7 @@ typedef enum
eReadErr,
eBadContent,
eCrcErr,
eBadPlatform,
} tCheckResult;
/* result of the CheckBootROM() function */
@ -83,8 +95,9 @@ typedef struct
static struct plugin_api* rb; /* here is a global api struct pointer */
#define MASK_ADR 0xFC /* position of hardware mask value in Flash */
#define VERSION_ADR 0xFE /* position of firmware version value in Flash */
#define MASK_ADR 0xFC /* position of hardware mask value in Flash */
#define VERSION_ADR 0xFE /* position of firmware version value in Flash */
#define PLATFORM_ADR 0xFB /* position of my platform ID value in Flash */
#define SEC_SIZE 4096 /* size of one flash sector */
static UINT8* sector; /* better not place this on the stack... */
static volatile UINT8* FB = (UINT8*)0x02000000; /* Flash base address */
@ -252,7 +265,27 @@ unsigned crc_32(unsigned char* buf, unsigned len, unsigned crc32)
}
/*********** Firmware File Functions ************/
/*********** Firmware File Functions + helpers ************/
/* test if the version number is consistent with the platform */
bool CheckPlatform(int platform_id, UINT16 version)
{
if (version == 123)
{ /* it can be a FM or V2 recorder */
return (platform_id == ID_FM || platform_id == ID_REC_V2);
}
else if ((version >= 124 && version <= 128) || version == 200)
{ /* for my very first firmware, I foolishly changed it to 200 */
return (platform_id == ID_RECORDER);
}
else if (version == 0 || (version >= 300 && version <= 506))
{ /* for very old players, I've seen zero */
return (platform_id == ID_PLAYER);
}
return false; /* unknown */
}
tCheckResult CheckFirmwareFile(char* filename, int chipsize, bool is_romless)
{
@ -283,7 +316,7 @@ tCheckResult CheckFirmwareFile(char* filename, int chipsize, bool is_romless)
}
if (fileleft == 256*1024)
{ // original dumped firmware file has no CRC
{ // original dumped firmware file has no CRC nor platform ID
has_crc = false;
}
else
@ -303,8 +336,24 @@ tCheckResult CheckFirmwareFile(char* filename, int chipsize, bool is_romless)
return eReadErr;
}
// version number in file plausible with this hardware?
if (!CheckPlatform(PLATFORM_ID, *(UINT16*)(sector + VERSION_ADR)))
{
rb->close(fd);
return eBadPlatform;
}
if (has_crc)
{
crc32 = crc_32(sector, SEC_SIZE, crc32); /* checksum */
/* in addition to the CRC, my files also have a platform ID */
if (sector[PLATFORM_ADR] != PLATFORM_ID) /* for our hardware? */
{
rb->close(fd);
return eBadPlatform;
}
}
if (is_romless)
{ /* in this case, there is not much we can check */
@ -419,6 +468,7 @@ unsigned ProgramFirmwareFile(char* filename, int chipsize)
return failures;
}
/* returns the # of failures, 0 on success */
unsigned VerifyFirmwareFile(char* filename)
{
@ -452,6 +502,7 @@ unsigned VerifyFirmwareFile(char* filename)
return failures;
}
/***************** Support Functions *****************/
/* check if we have "normal" boot ROM or flash mirrored to zero */
@ -544,6 +595,13 @@ void DoUserDialog(char* filename)
rb->lcd_setfont(FONT_SYSFIXED);
/* test if the user is running the correct plugin for this box */
if (!CheckPlatform(PLATFORM_ID, *(UINT16*)(FB + VERSION_ADR)))
{
rb->splash(HZ*3, 0, true, "Wrong plugin");
return; /* exit */
}
/* check boot ROM */
result = CheckBootROM();
if (result == eUnknown)
@ -629,6 +687,10 @@ void DoUserDialog(char* filename)
rb->lcd_puts(0, 2, "CRC check failed,");
rb->lcd_puts(0, 3, "checksum mismatch.");
break;
case eBadPlatform:
rb->lcd_puts(0, 1, "Wrong file for");
rb->lcd_puts(0, 2, "this hardware.");
break;
default:
rb->lcd_puts(0, 1, "Check failed.");
break;
@ -754,6 +816,13 @@ void DoUserDialog(char* filename)
tCheckROM result;
bool is_romless;
/* test if the user is running the correct plugin for this box */
if (!CheckPlatform(PLATFORM_ID, *(UINT16*)(FB + VERSION_ADR)))
{
rb->splash(HZ*3, 0, true, "Wrong plugin");
return; /* exit */
}
/* check boot ROM */
result = CheckBootROM();
if (result == eUnknown)
@ -833,6 +902,10 @@ void DoUserDialog(char* filename)
rb->lcd_puts_scroll(0, 0, "File invalid.");
rb->lcd_puts_scroll(0, 1, "CRC check failed.");
break;
case eBadPlatform:
rb->lcd_puts_scroll(0, 0, "Wrong file for");
rb->lcd_puts_scroll(0, 1, "this hardware.");
break;
default:
rb->lcd_puts_scroll(0, 0, "Check failed.");
break;
@ -924,5 +997,3 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
}
#endif /* #ifndef SIMULATOR */
#endif /* model */