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Exosphere: Change physical segment maps depending on firmware version

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This commit is contained in:
Michael Scire 2018-08-02 21:33:55 -07:00
parent 441e58be56
commit adc496b6a7
5 changed files with 84 additions and 22 deletions
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7
exosphere/src/bootup.c
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@ -147,7 +147,12 @@ void bootup_misc_mmio(void) {
(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);
uint32_t reset_vec;
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
reset_vec = TZRAM_GET_SEGMENT_5X_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
} else {
reset_vec = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
}
EVP_CPU_RESET_VECTOR_0 = 0;
SB_AA64_RESET_LOW_0 = reset_vec | 1;
SB_AA64_RESET_HIGH_0 = 0;