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Code Issues Releases Activity

Fix mmu descriptor mistakes

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This commit is contained in:
TuxSH 2018-02-25 14:37:44 +01:00
parent c46a3cc794
commit ab38217720
2 changed files with 6 additions and 6 deletions
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10
exosphere/memory_map.h
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@ -47,8 +47,8 @@ static const struct {
size_t size;
uint64_t attributes;
} g_lp0_entry_ram_segments[] = {
{ 0x40020000, 0x10000, MMU_PTE_TABLE_NS | ATTRIB_MEMTYPE_DEVICE }, /* Encrypted TZRAM */
{ 0x40003000, 0x01000, MMU_PTE_TABLE_NS | ATTRIB_MEMTYPE_DEVICE }, /* LP0 entry code */
{ 0x40020000, 0x10000, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE }, /* Encrypted TZRAM */
{ 0x40003000, 0x01000, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE }, /* LP0 entry code */
{ 0x7C010000, 0x10000, MMU_AP_PRIV_RO | ATTRIB_MEMTYPE_NORMAL }, /* TZRAM to encrypt */
};
@ -57,8 +57,8 @@ static const struct {
size_t size;
uint64_t attributes;
} g_warmboot_ram_segments[] = {
{ 0x8000F000, 0x01000, MMU_PTE_TABLE_NS | ATTRIB_MEMTYPE_DEVICE }, /* Encrypted SE state for bootROM */
{ 0x80010000, 0x10000, MMU_PTE_TABLE_NS | ATTRIB_MEMTYPE_DEVICE }, /* Encrypted TZRAM for warmboot.bin */
{ 0x8000F000, 0x01000, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE }, /* Encrypted SE state for bootROM */
{ 0x80010000, 0x10000, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE }, /* Encrypted TZRAM for warmboot.bin */
};
static const struct {
@ -170,7 +170,7 @@ static inline uintptr_t mmio_get_device_address(unsigned int device_id) {
static inline void mmio_map_all_devices(uintptr_t *mmu_l3_tbl) {
static const uint64_t secure_device_attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_DEVICE;
static const uint64_t device_attributes = MMU_PTE_TABLE_NS | secure_device_attributes;
static const uint64_t device_attributes = MMU_PTE_BLOCK_NS | secure_device_attributes;
for(size_t i = 0, offset = 0; i < sizeof(g_devices) / sizeof(g_devices[0]); i++) {
uint64_t attributes = g_devices[i].is_secure ? secure_device_attributes : device_attributes;

2
exosphere/mmu.h
View file

@ -49,7 +49,7 @@
#define MMU_PTE_TYPE_BLOCK 1
/* L3 only */
#define MMU_PTE_TYPE_PAGE 1
#define MMU_PTE_TYPE_PAGE 3
#define MMU_PTE_TABLE_PXN BITL(59)
#define MMU_PTE_TABLE_XN BITL(60)