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Flasher support for versionning

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Only bootrom with version > 1.0.0 will allow 512K writes
This commit is contained in:
slurdge 2019-07-19 18:21:20 +02:00 committed by Philippe Teuwen
parent c056e56492
commit 68aa9d631d
3 changed files with 28 additions and 3 deletions
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2
bootrom/bootrom.c
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@ -143,7 +143,7 @@ void UsbPacketReceived(uint8_t *packet, int len) {
case CMD_BL_VERSION: {
dont_ack = 1;
arg0 = VERSION_1_0_0;
arg0 = BL_VERSION_1_0_0;
reply_old(CMD_BL_VERSION, arg0, 0, 0, 0, 0);
}

24
client/flash.c
View file

@ -356,8 +356,30 @@ int flash_start_flashing(int enable_bl_writes, char *serial_port_name, uint32_t
*chipinfo = resp.oldarg[0];
}
int version = BL_VERSION_INVALID;
if (state & DEVICE_INFO_FLAG_UNDERSTANDS_VERSION) {
SendCommandBL(CMD_BL_VERSION, 0, 0, 0, NULL, 0);
PacketResponseNG resp;
WaitForResponse(CMD_BL_VERSION, &resp);
version = resp.oldarg[0];
if ((version < BL_VERSION_FIRST || version > BL_VERSION_LAST)) {
version = BL_VERSION_INVALID;
}
} else {
PrintAndLogEx(ERR, _RED_("Note: Your bootloader does not understand the new CMD_BL_VERSION command"));
PrintAndLogEx(ERR, _RED_("It is recommended that you update your bootloader") "\n");
}
bool allow_512k_writes = false;
if (version == BL_VERSION_INVALID) {
PrintAndLogEx(ERR, _RED_("Note: Your bootloader reported an invalid version number"));
PrintAndLogEx(ERR, _RED_("It is recommended that you update your bootloader") "\n");
} else if (version >= BL_VERSION_1_0_0) {
allow_512k_writes = true;
}
uint32_t flash_end = FLASH_START + AT91C_IFLASH_PAGE_SIZE * AT91C_IFLASH_NB_OF_PAGES / 2;
if (((*chipinfo & 0xF00) >> 8) > 9) {
if ((((*chipinfo & 0xF00) >> 8) > 9) && allow_512k_writes) {
flash_end = FLASH_START + AT91C_IFLASH_PAGE_SIZE * AT91C_IFLASH_NB_OF_PAGES;
}

5
include/pm3_cmd.h
View file

@ -541,7 +541,10 @@ typedef struct {
#define DEVICE_INFO_FLAG_UNDERSTANDS_VERSION (1<<6)
// Different versions here. Each version should increse the number
#define VERSION_1_0_0 1
#define BL_VERSION_INVALID 0
#define BL_VERSION_1_0_0 1
#define BL_VERSION_FIRST BL_VERSION_1_0_0
#define BL_VERSION_LAST BL_VERSION_1_0_0
/* CMD_START_FLASH may have three arguments: start of area to flash,
end of area to flash, optional magic.