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https://github.com/Atmosphere-NX/Atmosphere.git
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Update pk2ldr outline, prepare for bootup_misc_mmio() impl
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303e189559
commit
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4 changed files with 49 additions and 8 deletions
18
exosphere/src/bootup.c
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18
exosphere/src/bootup.c
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@ -0,0 +1,18 @@
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#include <stdint.h>
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#include "utils.h"
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#include "bootup.h"
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void bootup_misc_mmio(void) {
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/* TODO */
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/* This func will also be called on warmboot. */
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/* And will verify stored SE Test Vector, clear keyslots, */
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/* Generate an SRK, set the warmboot firmware location, */
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/* Configure the GPU uCode carveout, configure the Kernel default carveouts, */
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/* Initialize the PMC secure scratch registers, initialize MISC registers, */
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/* And assign "se_operation_completed" to Interrupt 0x5A. */
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}
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void setup_4x_mmio(void) {
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/* TODO */
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}
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10
exosphere/src/bootup.h
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10
exosphere/src/bootup.h
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#ifndef EXOSPHERE_BOOTUP_H
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#define EXOSPHERE_BOOTUP_H
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#include <stdint.h>
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void bootup_misc_mmio(void);
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void setup_4x_mmio(void);
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#endif
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@ -3,6 +3,7 @@
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#include "utils.h"
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#include "memory_map.h"
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#include "bootup.h"
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#include "cpu_context.h"
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#include "package2.h"
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#include "configitem.h"
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@ -376,13 +377,7 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
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wait(1000);
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/* TODO: bootup_misc_mmio(). */
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/* This func will also be called on warmboot. */
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/* And will verify stored SE Test Vector, clear keyslots, */
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/* Generate an SRK, set the warmboot firmware location, */
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/* Configure the GPU uCode carveout, configure the Kernel default carveouts, */
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/* Initialize the PMC secure scratch registers, initialize MISC registers, */
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/* And assign "se_operation_completed" to Interrupt 0x5A. */
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bootup_misc_mmio();
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/* TODO: initalize cpu context */
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@ -406,7 +401,13 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
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setup_boot_config();
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/* Synchronize with NX BOOTLOADER. */
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sync_with_nx_bootloader(NX_BOOTLOADER_STATE_LOADED_PACKAGE2);
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if (mkey_get_revision() >= MASTERKEY_REVISION_400_CURRENT) {
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sync_with_nx_bootloader(NX_BOOTLOADER_STATE_DRAM_INITIALIZED_4X);
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/* TODO: copy_warmboot_bin_to_dram(); */
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sync_with_nx_bootloader(NX_BOOTLOADER_STATE_LOADED_PACKAGE2_4X);
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} else {
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sync_with_nx_bootloader(NX_BOOTLOADER_STATE_LOADED_PACKAGE2);
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}
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/* Remove the identity mapping for iRAM-C+D & TZRAM */
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identity_unmap_iram_cd_tzram();
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@ -441,6 +442,13 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
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/* TODO: lots of boring MMIO */
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if (mkey_get_revision() >= MASTERKEY_REVISION_400_CURRENT) {
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sync_with_nx_bootloader(NX_BOOTLOADER_STATE_FINISHED_4X);
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setup_4x_mmio();
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} else {
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sync_with_nx_bootloader(NX_BOOTLOADER_STATE_FINISHED);
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}
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/* TODO: Update SCR_EL3 depending on value in Bootconfig. */
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if (MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE) {
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@ -18,9 +18,14 @@ static inline uintptr_t get_nx_bootloader_mailbox_base(void) {
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#define NX_BOOTLOADER_STATE_INIT 0
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#define NX_BOOTLOADER_STATE_MOVED_BOOTCONFIG 1
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#define NX_BOOTLOADER_STATE_LOADED_PACKAGE2 2
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#define NX_BOOTLOADER_STATE_FINISHED 3
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#define NX_BOOTLOADER_STATE_DRAM_INITIALIZED_4X 2
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#define NX_BOOTLOADER_STATE_LOADED_PACKAGE2_4X 3
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#define NX_BOOTLOADER_STATE_FINISHED_4X 4
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/* Physaddr 0x40002EFC */
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#define MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE (*((volatile uint32_t *)(MAILBOX_NX_BOOTLOADER_BASE + 0xEFCULL)))
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