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Clean up eboot

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This commit is contained in:
Ivan Grokhotkov
2015-06-05 08:08:53 +03:00
parent a4126b1235
commit 73740d6e6d
7 changed files with 88 additions and 52 deletions
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26
bootloaders/eboot/eboot_command.c
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@ -28,7 +28,7 @@ uint32_t eboot_command_calculate_crc32(const struct eboot_command* cmd)
offsetof(struct eboot_command, crc32));
}
void eboot_command_read(struct eboot_command* cmd)
int eboot_command_read(struct eboot_command* cmd)
{
const uint32_t dw_count = sizeof(struct eboot_command) / sizeof(uint32_t);
uint32_t* dst = (uint32_t *) cmd;
@ -39,9 +39,27 @@ void eboot_command_read(struct eboot_command* cmd)
uint32_t crc32 = eboot_command_calculate_crc32(cmd);
if (cmd->magic & EBOOT_MAGIC_MASK != EBOOT_MAGIC ||
cmd->crc32 != crc32) {
cmd->action = ACTION_LOAD_APP;
cmd->args[0] = 0;
return 1;
}
return 0;
}
void eboot_command_write(struct eboot_command* cmd)
{
cmd->magic = EBOOT_MAGIC;
cmd->crc32 = eboot_command_calculate_crc32(cmd);
const uint32_t dw_count = sizeof(struct eboot_command) / sizeof(uint32_t);
const uint32_t* src = (const uint32_t *) cmd;
for (uint32_t i = 0; i < dw_count; ++i) {
RTC_MEM[i] = src[i];
}
}
void eboot_command_clear()
{
RTC_MEM[offsetof(struct eboot_command, magic) / sizeof(uint32_t)] = 0;
RTC_MEM[offsetof(struct eboot_command, crc32) / sizeof(uint32_t)] = 0;
}