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[exosphere] Map the crt0 too

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This commit is contained in:
TuxSH 2018-05-11 16:13:45 +02:00
parent 05b8b42164
commit 0d8ba7706d
2 changed files with 10 additions and 7 deletions
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1
exosphere/src/bootup.c
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@ -270,6 +270,7 @@ void identity_unmap_iram_cd_tzram(void) {
uintptr_t *mmu_l2_tbl = (uintptr_t *)TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_L2_TRANSLATION_TABLE);*/
uintptr_t *mmu_l3_tbl = (uintptr_t *)TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE);
mmu_unmap_range(3, mmu_l3_tbl, IDENTITY_GET_MAPPING_ADDRESS(IDENTITY_MAPPING_IRAM_A_CCRT0), IDENTITY_GET_MAPPING_SIZE(IDENTITY_MAPPING_IRAM_A_CCRT0));
mmu_unmap_range(3, mmu_l3_tbl, IDENTITY_GET_MAPPING_ADDRESS(IDENTITY_MAPPING_IRAM_CD), IDENTITY_GET_MAPPING_SIZE(IDENTITY_MAPPING_IRAM_CD));
/*mmu_unmap_range(3, mmu_l3_tbl, IDENTITY_GET_MAPPING_ADDRESS(IDENTITY_MAPPING_TZRAM), IDENTITY_GET_MAPPING_SIZE(IDENTITY_MAPPING_TZRAM));

16
exosphere/src/memory_map.h
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@ -8,9 +8,10 @@
#define ATTRIB_MEMTYPE_DEVICE MMU_PTE_BLOCK_MEMTYPE(MMU_MT_DEVICE_NGNRE)
/* Identity mappings (addr, size, additional attributes, is block range) */
#define _MMAPID0 ( 0x40020000ull, 0x20000ull, 0ull, false ) /* iRAM-C+D (contains the secmon's coldboot crt0) */
#define _MMAPID1 ( 0x7C010000ull, 0x10000ull, 0ull, false ) /* TZRAM (contains the secmon's warmboot crt0) */
#define _MMAPID2 ( 0x80000000ull, 4ull << 30, MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_NS, true ) /* DRAM (4GB) */
#define _MMAPID0 ( 0x40006000ull, 0x01000ull, 0ull, false ) /* Part of iRAM-A, where our coldboot crt0 is */
#define _MMAPID1 ( 0x40020000ull, 0x20000ull, 0ull, false ) /* iRAM-C+D */
#define _MMAPID2 ( 0x7C010000ull, 0x10000ull, 0ull, false ) /* TZRAM (contains the secmon's warmboot crt0) */
#define _MMAPID3 ( 0x80000000ull, 4ull << 30, MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_NS, true ) /* DRAM (4GB) */
/* MMIO (addr, size, is secure) */
#define _MMAPDEV0 ( 0x50041000ull, 0x1000ull, true ) /* ARM Interrupt Distributor */
@ -57,10 +58,11 @@
#define WARMBOOT_RAM_SEGMENT_BASE (LP0_ENTRY_RAM_SEGMENT_BASE + 0x000047000ull) /* increment seems to be arbitrary ? */
#define TZRAM_SEGMENT_BASE (MMIO_BASE + 0x000160000ull)
#define IDENTITY_MAPPING_IRAM_CD 0
#define IDENTITY_MAPPING_TZRAM 1
#define IDENTITY_MAPPING_DRAM 2
#define IDENTIY_MAPPING_ID_MAX 3
#define IDENTITY_MAPPING_IRAM_A_CCRT0 0
#define IDENTITY_MAPPING_IRAM_CD 1
#define IDENTITY_MAPPING_TZRAM 2
#define IDENTITY_MAPPING_DRAM 3
#define IDENTIY_MAPPING_ID_MAX 4
#define MMIO_DEVID_GICD 0
#define MMIO_DEVID_GICC 1