/*
- * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
+ * Copyright (C) 2010-2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <fuse.h>
#include <asm/io.h>
-#include <asm/arch/hab.h>
+#include <asm/system.h>
+#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/hab.h>
+
+HAB_FUNC(entry, enum hab_status)
+HAB_FUNC(exit, enum hab_status)
+HAB_FUNC5(authenticate_image, void *, uint8_t, size_t, void **, size_t *, hab_loader_callback_f_t)
+//HAB_FUNC1(run_dcd, enum hab_status, const uint8_t *)
+HAB_FUNC2(run_csf, enum hab_status, const uint8_t *, uint8_t)
+HAB_FUNC2(report_status, enum hab_status, enum hab_config *, enum hab_state *)
+HAB_FUNC4(report_event, enum hab_status, enum hab_status, uint32_t, uint8_t *, size_t *)
+HAB_FUNC3(check_target, enum hab_status, uint8_t, const void *, size_t)
+HAB_FUNC3(assert, enum hab_status, uint8_t, const void *, size_t)
+
+#define MAX_RECORD_BYTES (8 * 1024)
+
+struct record {
+ uint8_t tag; /* Tag */
+ uint8_t len[2]; /* Length */
+ uint8_t par; /* Version */
+ uint8_t contents[MAX_RECORD_BYTES];/* Record Data */
+ bool any_rec_flag;
+};
+
+char *rsn_str[] = {
+ "RSN = HAB_RSN_ANY (0x00)\n",
+ "RSN = HAB_ENG_FAIL (0x30)\n",
+ "RSN = HAB_INV_ADDRESS (0x22)\n",
+ "RSN = HAB_INV_ASSERTION (0x0C)\n",
+ "RSN = HAB_INV_CALL (0x28)\n",
+ "RSN = HAB_INV_CERTIFICATE (0x21)\n",
+ "RSN = HAB_INV_COMMAND (0x06)\n",
+ "RSN = HAB_INV_CSF (0x11)\n",
+ "RSN = HAB_INV_DCD (0x27)\n",
+ "RSN = HAB_INV_INDEX (0x0F)\n",
+ "RSN = HAB_INV_IVT (0x05)\n",
+ "RSN = HAB_INV_KEY (0x1D)\n",
+ "RSN = HAB_INV_RETURN (0x1E)\n",
+ "RSN = HAB_INV_SIGNATURE (0x18)\n",
+ "RSN = HAB_INV_SIZE (0x17)\n",
+ "RSN = HAB_MEM_FAIL (0x2E)\n",
+ "RSN = HAB_OVR_COUNT (0x2B)\n",
+ "RSN = HAB_OVR_STORAGE (0x2D)\n",
+ "RSN = HAB_UNS_ALGORITHM (0x12)\n",
+ "RSN = HAB_UNS_COMMAND (0x03)\n",
+ "RSN = HAB_UNS_ENGINE (0x0A)\n",
+ "RSN = HAB_UNS_ITEM (0x24)\n",
+ "RSN = HAB_UNS_KEY (0x1B)\n",
+ "RSN = HAB_UNS_PROTOCOL (0x14)\n",
+ "RSN = HAB_UNS_STATE (0x09)\n",
+ "RSN = INVALID\n",
+};
+
+char *sts_str[] = {
+ "STS = HAB_STS_ANY (0x00)\n",
+ "STS = HAB_FAILURE (0x33)\n",
+ "STS = HAB_WARNING (0x69)\n",
+ "STS = HAB_SUCCESS (0xF0)\n",
+ "STS = INVALID\n",
+};
+
+char *eng_str[] = {
+ "ENG = HAB_ENG_ANY (0x00)\n",
+ "ENG = HAB_ENG_SCC (0x03)\n",
+ "ENG = HAB_ENG_RTIC (0x05)\n",
+ "ENG = HAB_ENG_SAHARA (0x06)\n",
+ "ENG = HAB_ENG_CSU (0x0A)\n",
+ "ENG = HAB_ENG_SRTC (0x0C)\n",
+ "ENG = HAB_ENG_DCP (0x1B)\n",
+ "ENG = HAB_ENG_CAAM (0x1D)\n",
+ "ENG = HAB_ENG_SNVS (0x1E)\n",
+ "ENG = HAB_ENG_OCOTP (0x21)\n",
+ "ENG = HAB_ENG_DTCP (0x22)\n",
+ "ENG = HAB_ENG_ROM (0x36)\n",
+ "ENG = HAB_ENG_HDCP (0x24)\n",
+ "ENG = HAB_ENG_RTL (0x77)\n",
+ "ENG = HAB_ENG_SW (0xFF)\n",
+ "ENG = INVALID\n",
+};
+
+char *ctx_str[] = {
+ "CTX = HAB_CTX_ANY(0x00)\n",
+ "CTX = HAB_CTX_FAB (0xFF)\n",
+ "CTX = HAB_CTX_ENTRY (0xE1)\n",
+ "CTX = HAB_CTX_TARGET (0x33)\n",
+ "CTX = HAB_CTX_AUTHENTICATE (0x0A)\n",
+ "CTX = HAB_CTX_DCD (0xDD)\n",
+ "CTX = HAB_CTX_CSF (0xCF)\n",
+ "CTX = HAB_CTX_COMMAND (0xC0)\n",
+ "CTX = HAB_CTX_AUT_DAT (0xDB)\n",
+ "CTX = HAB_CTX_ASSERT (0xA0)\n",
+ "CTX = HAB_CTX_EXIT (0xEE)\n",
+ "CTX = INVALID\n",
+};
+
+uint8_t hab_statuses[ARRAY_SIZE(sts_str)] = {
+ HAB_STS_ANY,
+ HAB_FAILURE,
+ HAB_WARNING,
+ HAB_SUCCESS,
+ -1
+};
-/* -------- start of HAB API updates ------------*/
-
-#define hab_rvt_report_event_p \
-( \
- ((is_cpu_type(MXC_CPU_MX6Q) || \
- is_cpu_type(MXC_CPU_MX6D)) && \
- (soc_rev() >= CHIP_REV_1_5)) ? \
- ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
- (is_cpu_type(MXC_CPU_MX6DL) && \
- (soc_rev() >= CHIP_REV_1_2)) ? \
- ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
- ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT) \
-)
-
-#define hab_rvt_report_status_p \
-( \
- ((is_cpu_type(MXC_CPU_MX6Q) || \
- is_cpu_type(MXC_CPU_MX6D)) && \
- (soc_rev() >= CHIP_REV_1_5)) ? \
- ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
- (is_cpu_type(MXC_CPU_MX6DL) && \
- (soc_rev() >= CHIP_REV_1_2)) ? \
- ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
- ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS) \
-)
-
-#define hab_rvt_authenticate_image_p \
-( \
- ((is_cpu_type(MXC_CPU_MX6Q) || \
- is_cpu_type(MXC_CPU_MX6D)) && \
- (soc_rev() >= CHIP_REV_1_5)) ? \
- ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
- (is_cpu_type(MXC_CPU_MX6DL) && \
- (soc_rev() >= CHIP_REV_1_2)) ? \
- ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
- ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE) \
-)
-
-#define hab_rvt_entry_p \
-( \
- ((is_cpu_type(MXC_CPU_MX6Q) || \
- is_cpu_type(MXC_CPU_MX6D)) && \
- (soc_rev() >= CHIP_REV_1_5)) ? \
- ((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
- (is_cpu_type(MXC_CPU_MX6DL) && \
- (soc_rev() >= CHIP_REV_1_2)) ? \
- ((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
- ((hab_rvt_entry_t *)HAB_RVT_ENTRY) \
-)
-
-#define hab_rvt_exit_p \
-( \
- ((is_cpu_type(MXC_CPU_MX6Q) || \
- is_cpu_type(MXC_CPU_MX6D)) && \
- (soc_rev() >= CHIP_REV_1_5)) ? \
- ((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
- (is_cpu_type(MXC_CPU_MX6DL) && \
- (soc_rev() >= CHIP_REV_1_2)) ? \
- ((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
- ((hab_rvt_exit_t *)HAB_RVT_EXIT) \
-)
+uint8_t hab_reasons[ARRAY_SIZE(rsn_str)] = {
+ HAB_RSN_ANY,
+ HAB_ENG_FAIL,
+ HAB_INV_ADDRESS,
+ HAB_INV_ASSERTION,
+ HAB_INV_CALL,
+ HAB_INV_CERTIFICATE,
+ HAB_INV_COMMAND,
+ HAB_INV_CSF,
+ HAB_INV_DCD,
+ HAB_INV_INDEX,
+ HAB_INV_IVT,
+ HAB_INV_KEY,
+ HAB_INV_RETURN,
+ HAB_INV_SIGNATURE,
+ HAB_INV_SIZE,
+ HAB_MEM_FAIL,
+ HAB_OVR_COUNT,
+ HAB_OVR_STORAGE,
+ HAB_UNS_ALGORITHM,
+ HAB_UNS_COMMAND,
+ HAB_UNS_ENGINE,
+ HAB_UNS_ITEM,
+ HAB_UNS_KEY,
+ HAB_UNS_PROTOCOL,
+ HAB_UNS_STATE,
+ -1
+};
+
+uint8_t hab_contexts[ARRAY_SIZE(ctx_str)] = {
+ HAB_CTX_ANY,
+ HAB_CTX_FAB,
+ HAB_CTX_ENTRY,
+ HAB_CTX_TARGET,
+ HAB_CTX_AUTHENTICATE,
+ HAB_CTX_DCD,
+ HAB_CTX_CSF,
+ HAB_CTX_COMMAND,
+ HAB_CTX_AUT_DAT,
+ HAB_CTX_ASSERT,
+ HAB_CTX_EXIT,
+ -1
+};
+
+uint8_t hab_engines[ARRAY_SIZE(eng_str)] = {
+ HAB_ENG_ANY,
+ HAB_ENG_SCC,
+ HAB_ENG_RTIC,
+ HAB_ENG_SAHARA,
+ HAB_ENG_CSU,
+ HAB_ENG_SRTC,
+ HAB_ENG_DCP,
+ HAB_ENG_CAAM,
+ HAB_ENG_SNVS,
+ HAB_ENG_OCOTP,
+ HAB_ENG_DTCP,
+ HAB_ENG_ROM,
+ HAB_ENG_HDCP,
+ HAB_ENG_RTL,
+ HAB_ENG_SW,
+ -1
+};
bool is_hab_enabled(void)
{
- struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
- struct fuse_bank *bank = &ocotp->bank[0];
- struct fuse_bank0_regs *fuse =
- (struct fuse_bank0_regs *)bank->fuse_regs;
- uint32_t reg = readl(&fuse->cfg5);
+ uint32_t reg;
+ static int first = 1;
+ if (fuse_read(0, 6, ®)) {
+ printf("Failed to read SECURE_BOOT fuse\n");
+ return 0;
+ }
+
+ if (first) {
+ debug("rvt_base=%p\n", hab_rvt_base());
+ debug("hab_rvt_entry=%p\n", hab_rvt_entry_p);
+ debug("hab_rvt_exit=%p\n", hab_rvt_exit_p);
+ debug("hab_rvt_check_target=%p\n", hab_rvt_check_target_p);
+ debug("hab_rvt_authenticate_image=%p\n", hab_rvt_authenticate_image_p);
+ debug("hab_rvt_report_event=%p\n", hab_rvt_report_event_p);
+ debug("hab_rvt_report_status=%p\n", hab_rvt_report_status_p);
+ debug("hab_rvt_assert=%p\n", hab_rvt_assert_p);
+ first = 0;
+ }
return (reg & 0x2) == 0x2;
}
+static inline uint8_t get_idx(uint8_t *list, uint8_t tgt)
+{
+ uint8_t idx = 0;
+ uint8_t element = list[idx];
+ while (element != -1) {
+ if (element == tgt)
+ return idx;
+ element = list[++idx];
+ }
+ return -1;
+}
+
+void process_event_record(uint8_t *event_data, size_t bytes)
+{
+ struct record *rec = (struct record *)event_data;
+
+ printf("\n\n%s", sts_str[get_idx(hab_statuses, rec->contents[0])]);
+ printf("%s", rsn_str[get_idx(hab_reasons, rec->contents[1])]);
+ printf("%s", ctx_str[get_idx(hab_contexts, rec->contents[2])]);
+ printf("%s", eng_str[get_idx(hab_engines, rec->contents[3])]);
+}
+
void display_event(uint8_t *event_data, size_t bytes)
{
uint32_t i;
else
printf(" 0x%02x", event_data[i]);
}
+
+ process_event_record(event_data, bytes);
}
int get_hab_status(void)
{
- uint32_t index = 0; /* Loop index */
+ static uint32_t last_hab_event __attribute__((section(".data")));
+ uint32_t index = last_hab_event; /* Loop index */
uint8_t event_data[128]; /* Event data buffer */
size_t bytes = sizeof(event_data); /* Event size in bytes */
- enum hab_config config = 0;
- enum hab_state state = 0;
- hab_rvt_report_event_t *hab_rvt_report_event;
- hab_rvt_report_status_t *hab_rvt_report_status;
-
- hab_rvt_report_event = hab_rvt_report_event_p;
- hab_rvt_report_status = hab_rvt_report_status_p;
+ enum hab_config config;
+ enum hab_state state;
+ int ret;
if (is_hab_enabled())
- puts("\nSecure boot enabled\n");
+ puts("Secure boot enabled\n");
else
- puts("\nSecure boot disabled\n");
+ puts("Secure boot disabled\n");
/* Check HAB status */
- if (hab_rvt_report_status(&config, &state) != HAB_SUCCESS) {
- printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n",
- config, state);
-
+ enable_ocotp_clk(1);
+ config = state = 0; /* ROM code assumes short enums! */
+ ret = hab_rvt_report_status(&config, &state);
+ enable_ocotp_clk(0);
+ printf("HAB Configuration: 0x%02x, HAB State: 0x%02x\n",
+ config, state);
+ if (ret != HAB_SUCCESS) {
/* Display HAB Error events */
- while (hab_rvt_report_event(HAB_FAILURE, index, event_data,
+ while (hab_rvt_report_event(HAB_STS_ANY, index, event_data,
&bytes) == HAB_SUCCESS) {
puts("\n");
printf("--------- HAB Event %d -----------------\n",
bytes = sizeof(event_data);
index++;
}
+ ret = index - last_hab_event;
+ last_hab_event = index;
+ } else {
+ /* Display message if no HAB events are found */
+ puts("No HAB Events Found!\n");
+ ret = 0;
}
- /* Display message if no HAB events are found */
- else {
- printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n",
- config, state);
- puts("No HAB Events Found!\n\n");
+ return ret;
+}
+
+static inline enum hab_status hab_init(void)
+{
+ enum hab_status ret;
+
+ enable_ocotp_clk(1);
+ if (!is_hab_enabled()) {
+ puts("hab fuse not enabled\n");
+ return HAB_FAILURE;
}
- return 0;
+
+ hab_caam_clock_enable(1);
+
+ ret = hab_rvt_entry();
+ debug("hab_rvt_entry() returned %02x\n", ret);
+ if (ret != HAB_SUCCESS) {
+ printf("hab entry function failed: %02x\n", ret);
+ hab_caam_clock_enable(0);
+ }
+
+ return ret;
}
-int do_hab_status(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static inline enum hab_status hab_exit(void)
{
- if ((argc != 1)) {
- cmd_usage(cmdtp);
- return 1;
+ enum hab_status ret;
+
+ ret = hab_rvt_exit();
+ if (ret != HAB_SUCCESS)
+ printf("hab exit function failed: %02x\n", ret);
+
+ hab_caam_clock_enable(0);
+ enable_ocotp_clk(0);
+
+ return ret;
+}
+
+static enum hab_status hab_check_target(enum hab_target type, uint32_t addr, size_t len)
+{
+ enum hab_status ret;
+
+ ret = hab_init();
+ if (ret != HAB_SUCCESS)
+ return ret;
+
+ ret = hab_rvt_check_target(type, (void *)addr, len);
+ if (ret != HAB_SUCCESS) {
+ printf("check_target(0x%08x, 0x%08x) failed: %d\n",
+ addr, len, ret);
+ return ret;
+ }
+ ret = hab_exit();
+
+ if (ret == HAB_SUCCESS && get_hab_status() > 0) {
+ return HAB_FAILURE;
}
+ return ret;
+}
+
+static enum hab_status hab_assert(uint32_t type, uint32_t addr, size_t len)
+{
+ enum hab_status ret;
+
+ ret = hab_init();
+ if (ret != HAB_SUCCESS)
+ return ret;
+
+ ret = hab_rvt_assert(type, (void *)addr, len);
+ if (ret != HAB_SUCCESS) {
+ printf("assert(0x%08x, 0x%08x) failed: %d\n",
+ addr, len, ret);
+ return ret;
+ }
+ ret = hab_exit();
+
+ if (ret == HAB_SUCCESS && get_hab_status() > 0) {
+ return HAB_FAILURE;
+ }
+ return ret;
+}
+
+static int do_hab_status(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ if (argc != 1)
+ return CMD_RET_USAGE;
get_hab_status();
- return 0;
+ return CMD_RET_SUCCESS;
+}
+
+static int do_hab_check_target(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ enum hab_target type = HAB_TGT_ANY;
+ uint32_t addr;
+ size_t len;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ addr = simple_strtoul(argv[1], NULL, 16);
+ len = simple_strtoul(argv[2], NULL, 16);
+ if (argc > 3) {
+ switch (argv[3][0]) {
+ case 'p':
+ case 'P':
+ type = HAB_TGT_PERIPHERAL;
+ break;
+ case 'm':
+ case 'M':
+ type = HAB_TGT_MEMORY;
+ break;
+ case 'a':
+ case 'A':
+ break;
+ default:
+ printf("Invalid type '%s'\n", argv[3]);
+ return CMD_RET_USAGE;
+ }
+ }
+ if (hab_check_target(type, addr, len) != HAB_SUCCESS)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
+}
+
+static int do_hab_assert(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ uint32_t type = 0;
+ uint32_t addr;
+ size_t len;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ addr = simple_strtoul(argv[1], NULL, 16);
+ len = simple_strtoul(argv[2], NULL, 16);
+ if (argc > 3) {
+ type = simple_strtoul(argv[3], NULL, 16);
+ }
+
+ if (hab_assert(type, addr, len) != HAB_SUCCESS)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
"display HAB status",
""
);
+
+U_BOOT_CMD(
+ hab_check_target, 4, 0, do_hab_check_target,
+ "verify an address range via HAB",
+ "addr len [type]\n"
+ "\t\taddr -\taddress to verify\n"
+ "\t\tlen -\tlength of addr range to verify\n"
+ );
+
+U_BOOT_CMD(
+ hab_assert, 4, 0, do_hab_assert,
+ "Test an assertion against the HAB audit log",
+ "addr len [type]\n"
+ "\t\taddr -\taddress to verify\n"
+ "\t\tlen -\tlength of addr range to verify\n"
+ );
projects / karo-tx-uboot.git / blobdiff