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fw: Add checksum to partition table

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Refuse to boot if blake2s digest over the partition table does not match
digest stored on flash
This commit is contained in:
Mikael Ågren 2025-04-03 15:48:51 +02:00
parent 7d9aa7c647
commit 469546ff33
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GPG key ID: E02DA3D397792C46
11 changed files with 207 additions and 73 deletions
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8
hw/application_fpga/fw/tk1/main.c
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@ -41,7 +41,7 @@ static volatile uint32_t *ram_data_rand = (volatile uint32_t *)TK1_MMIO_TK1_R
static volatile struct reset *resetinfo = (volatile struct reset *)TK1_MMIO_RESETINFO_BASE;
// clang-format on
struct partition_table part_table;
struct partition_table_storage part_table_storage;
#define APP_SIZE_SLOT0 21684
// Context for the loading of a TKey program
@ -531,7 +531,7 @@ int main(void)
// TODO end of remove block
if (part_table_read(&part_table) != 0) {
if (part_table_read(&part_table_storage) != 0) {
// Couldn't read or create partition table
assert(1 == 2);
}
@ -541,7 +541,7 @@ int main(void)
#endif
// Hardocde size of slot 0
part_table.pre_app_data[0].size = APP_SIZE_SLOT0;
part_table_storage.table.pre_app_data[0].size = APP_SIZE_SLOT0;
// part_table.pre_app_data[1].size = 0x20000;
// TODO Just start something from flash without looking in
@ -583,7 +583,7 @@ int main(void)
break;
case FW_STATE_LOAD_FLASH:
if (load_flash_app(&part_table, ctx.digest, ctx.flash_slot) < 0) {
if (load_flash_app(&part_table_storage.table, ctx.digest, ctx.flash_slot) < 0) {
debug_puts("Couldn't load app from flash\n");
state = FW_STATE_FAIL;
break;