diff options
Diffstat (limited to 'mkm.c')
| -rw-r--r-- | mkm.c | 27 |
1 files changed, 15 insertions, 12 deletions
@@ -63,7 +63,6 @@ static int volatile_init = 0; -static hal_core_t *core = NULL; #define MKM_VOLATILE_STATUS_ADDRESS 0 #define MKM_VOLATILE_SCLK_DIV 0x20 @@ -86,14 +85,15 @@ static hal_error_t hal_mkm_volatile_init(void) hal_error_t err; uint32_t status; + hal_core_t *core = NULL; - if ((core = hal_core_find(MKMIF_NAME, NULL)) == NULL) - return HAL_ERROR_CORE_NOT_FOUND; + if ((err = hal_core_alloc(MKMIF_NAME, &core, NULL)) != LIBHAL_OK) + return err; if ((err = hal_mkmif_set_clockspeed(core, MKM_VOLATILE_SCLK_DIV)) != LIBHAL_OK || (err = hal_mkmif_init(core)) != LIBHAL_OK || (err = hal_mkmif_read_word(core, MKM_VOLATILE_STATUS_ADDRESS, &status)) != LIBHAL_OK) - return err; + goto out; if (status != MKM_STATUS_SET && status != MKM_STATUS_NOT_SET) { /* @@ -103,11 +103,14 @@ static hal_error_t hal_mkm_volatile_init(void) uint8_t buf[KEK_LENGTH] = {0}; if ((err = hal_mkmif_write(core, MKM_VOLATILE_STATUS_ADDRESS + 4, buf, sizeof(buf))) != LIBHAL_OK || (err = hal_mkmif_write_word(core, MKM_VOLATILE_STATUS_ADDRESS, MKM_STATUS_NOT_SET)) != LIBHAL_OK) - return err; + goto out; } volatile_init = 1; - return LIBHAL_OK; + +out: + hal_core_free(core); + return err; } hal_error_t hal_mkm_volatile_read(uint8_t *buf, const size_t len) @@ -119,7 +122,7 @@ hal_error_t hal_mkm_volatile_read(uint8_t *buf, const size_t len) return HAL_ERROR_MASTERKEY_BAD_LENGTH; if ((err = hal_mkm_volatile_init()) != LIBHAL_OK || - (err = hal_mkmif_read_word(core, MKM_VOLATILE_STATUS_ADDRESS, &status)) != LIBHAL_OK) + (err = hal_mkmif_read_word(NULL, MKM_VOLATILE_STATUS_ADDRESS, &status)) != LIBHAL_OK) return err; if (buf != NULL && len) { @@ -129,7 +132,7 @@ hal_error_t hal_mkm_volatile_read(uint8_t *buf, const size_t len) */ if (status != MKM_STATUS_SET) memset(buf, 0x0, len); - else if ((err = hal_mkmif_read(core, MKM_VOLATILE_STATUS_ADDRESS + 4, buf, len)) != LIBHAL_OK) + else if ((err = hal_mkmif_read(NULL, MKM_VOLATILE_STATUS_ADDRESS + 4, buf, len)) != LIBHAL_OK) return err; } @@ -153,8 +156,8 @@ hal_error_t hal_mkm_volatile_write(const uint8_t * const buf, const size_t len) return HAL_ERROR_MASTERKEY_FAIL; if ((err = hal_mkm_volatile_init()) != LIBHAL_OK || - (err = hal_mkmif_write(core, MKM_VOLATILE_STATUS_ADDRESS + 4, buf, len)) != LIBHAL_OK || - (err = hal_mkmif_write_word(core, MKM_VOLATILE_STATUS_ADDRESS, MKM_STATUS_SET)) != LIBHAL_OK) + (err = hal_mkmif_write(NULL, MKM_VOLATILE_STATUS_ADDRESS + 4, buf, len)) != LIBHAL_OK || + (err = hal_mkmif_write_word(NULL, MKM_VOLATILE_STATUS_ADDRESS, MKM_STATUS_SET)) != LIBHAL_OK) return err; return LIBHAL_OK; @@ -169,8 +172,8 @@ hal_error_t hal_mkm_volatile_erase(const size_t len) return HAL_ERROR_MASTERKEY_BAD_LENGTH; if ((err = hal_mkm_volatile_init()) != LIBHAL_OK || - (err = hal_mkmif_write(core, MKM_VOLATILE_STATUS_ADDRESS + 4, buf, sizeof(buf))) != LIBHAL_OK || - (err = hal_mkmif_write_word(core, MKM_VOLATILE_STATUS_ADDRESS, MKM_STATUS_NOT_SET)) != LIBHAL_OK) + (err = hal_mkmif_write(NULL, MKM_VOLATILE_STATUS_ADDRESS + 4, buf, sizeof(buf))) != LIBHAL_OK || + (err = hal_mkmif_write_word(NULL, MKM_VOLATILE_STATUS_ADDRESS, MKM_STATUS_NOT_SET)) != LIBHAL_OK) return err; return LIBHAL_OK; |