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Exosphere: Fix extremely spooky Security Engine bugs, now makes it to the end of package2loader.

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This commit is contained in:
Michael Scire 2018-05-21 04:30:32 -06:00
parent ac7ee45493
commit 366cc5e189
7 changed files with 45 additions and 24 deletions
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21
exosphere/src/bootup.c
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@ -33,7 +33,7 @@ static bool g_has_booted_up = false;
void bootup_misc_mmio(void) {
/* Initialize Fuse registers. */
fuse_init();
/* Verify Security Engine sanity. */
se_set_in_context_save_mode(false);
/* TODO: se_verify_keys_unreadable(); */
@ -82,6 +82,8 @@ void bootup_misc_mmio(void) {
MC_SECURITY_CFG1_0 = 0;
MC_SECURITY_CFG3_0 = 3;
configure_default_carveouts();
/* Mark registers secure world only. */
/* Mark SATA_AUX, DTV, QSPI, SE, SATA, LA secure only. */
@ -111,14 +113,15 @@ void bootup_misc_mmio(void) {
MAKE_MC_REG(0x230) = 0xFFFFFFFF;
MAKE_MC_REG(0x234) = 0xFFFFFFFF;
MAKE_MC_REG(0xB98) = 0xFFFFFFFF;
MAKE_MC_REG(0x038) = 0;
MAKE_MC_REG(0x038) = 0xE;
MAKE_MC_REG(0x03C) = 0;
MAKE_MC_REG(0x0E0) = 0;
MAKE_MC_REG(0x0E4) = 0;
MAKE_MC_REG(0x0E8) = 0;
MAKE_MC_REG(0x0EC) = 0;
MAKE_MC_REG(0x0F0) = 0;
MAKE_MC_REG(0x0F4) = 0;
MAKE_MC_REG(0x9E0) = 0;
MAKE_MC_REG(0x9E4) = 0;
MAKE_MC_REG(0x9E8) = 0;
MAKE_MC_REG(0x9EC) = 0;
MAKE_MC_REG(0x9F0) = 0;
MAKE_MC_REG(0x9F4) = 0;
MAKE_MC_REG(0x01C) = 0;
MAKE_MC_REG(0x020) = 0;
MAKE_MC_REG(0x014) = 0x30000030;
MAKE_MC_REG(0x018) = 0x2800003F;
@ -129,7 +132,7 @@ void bootup_misc_mmio(void) {
(void)(MAKE_MC_REG(0x014));
MAKE_MC_REG(0x010) = 1;
(void)(MAKE_MC_REG(0x014));
/* Clear RESET Vector, setup CPU Secure Boot RESET Vectors. */
uint32_t reset_vec = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
EVP_CPU_RESET_VECTOR_0 = 0;