fusee: cleanup and optimize boot sequence
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@@ -48,7 +48,6 @@ static void set_has_rebooted(bool rebooted) {
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MAKE_REG32(0x4003FFFC) = rebooted ? 0xFAFAFAFA : 0x00000000;
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}
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static void exfiltrate_keys_and_reboot_if_needed(uint32_t version) {
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volatile tegra_pmc_t *pmc = pmc_get_regs();
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uint8_t *enc_se_state = (uint8_t *)0x4003E000;
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@@ -124,7 +123,10 @@ static void cleanup_env(void) {
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/* Unmount the SD card. */
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unmount_sd();
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/* Turn off the backlight. */
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display_backlight(false);
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/* Terminate the display. */
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display_end();
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}
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@@ -150,7 +152,7 @@ int sept_main(uint32_t version) {
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/* Override the global logging level. */
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log_set_log_level(log_level);
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/* Initialize the display, console, etc. */
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/* Initialize the boot environment. */
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setup_env();
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/* Mark EMC scratch to say that sept has run. */
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@@ -166,14 +168,10 @@ int sept_main(uint32_t version) {
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stage2_args = (stage2_args_t *)(g_chainloader_arg_data + strlen(stage2_path) + 1); /* May be unaligned. */
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memcpy(&stage2_args->version, &stage2_version, 4);
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memcpy(&stage2_args->log_level, &log_level, sizeof(log_level));
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stage2_args->display_initialized = false;
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strcpy(stage2_args->bct0, "");
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g_chainloader_argc = 2;
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/* Wait a while. */
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mdelay(1500);
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/* Deinitialize the display, console, etc. */
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/* Terminate the boot environment. */
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cleanup_env();
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/* Finally, after the cleanup routines (__libc_fini_array, etc.) are called, jump to Stage2. */
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