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Atmosphere/exosphere/src/memory_map.h

171 lines
10 KiB
C

#ifndef EXOSPHERE_MEMORY_MAP_H
#define EXOSPHERE_MEMORY_MAP_H
#include "mmu.h"
#include "preprocessor.h"
#define ATTRIB_MEMTYPE_NORMAL MMU_PTE_BLOCK_MEMTYPE(MMU_MT_NORMAL)
#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) */
/* MMIO (addr, size, is secure) */
#define _MMAPDEV0 ( 0x50041000ull, 0x1000ull, true ) /* ARM Interrupt Distributor */
#define _MMAPDEV1 ( 0x50042000ull, 0x2000ull, true ) /* Interrupt Controller Physical CPU interface */
#define _MMAPDEV2 ( 0x70006000ull, 0x1000ull, false ) /* UART */
#define _MMAPDEV3 ( 0x60006000ull, 0x1000ull, false ) /* Clock and Reset */
#define _MMAPDEV4 ( 0x7000E000ull, 0x1000ull, true ) /* RTC, PMC */
#define _MMAPDEV5 ( 0x60005000ull, 0x1000ull, true ) /* TMRs, WDTs */
#define _MMAPDEV6 ( 0x6000C000ull, 0x1000ull, true ) /* System Registers */
#define _MMAPDEV7 ( 0x70012000ull, 0x2000ull, true ) /* SE */
#define _MMAPDEV8 ( 0x700F0000ull, 0x1000ull, true ) /* SYSCTR0 */
#define _MMAPDEV9 ( 0x70019000ull, 0x1000ull, true ) /* MC */
#define _MMAPDEV10 ( 0x7000F000ull, 0x1000ull, true ) /* FUSE (0x7000F800) */
#define _MMAPDEV11 ( 0x70000000ull, 0x4000ull, true ) /* MISC */
#define _MMAPDEV12 ( 0x60007000ull, 0x1000ull, true ) /* Flow Controller */
#define _MMAPDEV13 ( 0x40002000ull, 0x1000ull, true ) /* NX bootloader mailbox page */
#define _MMAPDEV14 ( 0x7000D000ull, 0x1000ull, true ) /* I2C-5,6 - SPI 2B-1 to 4 */
#define _MMAPDEV15 ( 0x6000D000ull, 0x1000ull, true ) /* GPIO-1 - GPIO-8 */
#define _MMAPDEV16 ( 0x7000C000ull, 0x1000ull, true ) /* I2C-I2C4 */
#define _MMAPDEV17 ( 0x6000F000ull, 0x1000ull, true ) /* Exception vectors */
#define _MMAPDEV18 ( 0x40038000ull, 0x8000ull, true ) /* DEBUG: IRAM */
/* LP0 entry ram segments (addr, size, additional attributes) */
#define _MMAPLP0ES0 ( 0x40020000ull, 0x10000ull, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE ) /* Encrypted TZRAM */
#define _MMAPLP0ES1 ( 0x40003000ull, 0x01000ull, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE ) /* LP0 entry code */
#define _MMAPLP0ES2 ( 0x7C010000ull, 0x10000ull, MMU_AP_PRIV_RO | ATTRIB_MEMTYPE_NORMAL ) /* TZRAM to encrypt */
/* Warmboot data ram segments (addr, size, additional attributes) */
#define _MMAPWBS0 ( 0x8000F000ull, 0x01000ull, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE ) /* Encrypted SE state for bootROM */
#define _MMAPWBS1 ( 0x80010000ull, 0x10000ull, MMU_PTE_BLOCK_NS | ATTRIB_MEMTYPE_DEVICE ) /* Encrypted TZRAM for warmboot.bin */
/* TZRAM segments (offset, size, VA increment, is executable) */
#define _MMAPTZS0 ( 0x3000ull, 0x10000 - 0x2000 - 0x3000ull, 0x10000ull, true ) /* Warmboot crt0 sections and main code segment */
#define _MMAPTZS1 ( 0x10000 - 0x2000ull, 0x2000ull, 0x04000ull, true ) /* pk2ldr segment */
#define _MMAPTZS2 ( 0ull, 0ull, 0x02000ull, false ) /* SPL .bss buffer, NOT mapped at startup */
#define _MMAPTZS3 ( 0x10000 - 0x2000ull, 0x1000ull, 0x02000ull, false ) /* Core 0ull1,2 stack */
#define _MMAPTZS4 ( 0x10000 - 0x1000ull, 0x1000ull, 0x02000ull, false ) /* Core 3 stack */
#define _MMAPTZS5 ( 0ull, 0x1000ull, 0x02000ull, true ) /* Secure Monitor exception vectors, some init stacks */
#define _MMAPTZS6 ( 0x1000ull, 0x1000ull, 0x02000ull, false ) /* L2 translation table */
#define _MMAPTZS7 ( 0x2000ull, 0x1000ull, 0x02000ull, false ) /* L3 translation table */
#define MMIO_BASE 0x1F0080000ull
#define LP0_ENTRY_RAM_SEGMENT_BASE (MMIO_BASE + 0x000100000ull)
#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 MMIO_DEVID_GICD 0
#define MMIO_DEVID_GICC 1
#define MMIO_DEVID_UART 2
#define MMIO_DEVID_CLKRST 3
#define MMIO_DEVID_RTC_PMC 4
#define MMIO_DEVID_TMRs_WDTs 5
#define MMIO_DEVID_SYSREGS 6
#define MMIO_DEVID_SE 7
#define MMIO_DEVID_SYSCTR0 8
#define MMIO_DEVID_MC 9
#define MMIO_DEVID_FUSE 10
#define MMIO_DEVID_MISC 11
#define MMIO_DEVID_FLOWCTRL 12
#define MMIO_DEVID_NXBOOTLOADER_MAILBOX 13
#define MMIO_DEVID_I2C56_SPI2B 14
#define MMIO_DEVID_GPIO 15
#define MMIO_DEVID_DTV_I2C234 16
#define MMIO_DEVID_EXCEPTION_VECTORS 17
#define MMIO_DEVID_DEBUG_IRAM 18
#define MMIO_DEVID_MAX 19
#define LP0_ENTRY_RAM_SEGMENT_ID_ENCRYPTED_TZRAM 0
#define LP0_ENTRY_RAM_SEGMENT_ID_LP0_ENTRY_CODE 1
#define LP0_ENTRY_RAM_SEGMENT_ID_CURRENT_TZRAM 2
#define LP0_ENTRY_RAM_SEGMENT_ID_MAX 3
#define WARMBOOT_RAM_SEGMENT_ID_SE_STATE 0
#define WARMBOOT_RAM_SEGMENT_ID_TZRAM 1
#define WARMBOOT_RAM_SEGMENT_ID_MAX 2
#define TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN 0
#define TZRAM_SEGMENT_ID_PK2LDR 1
#define TZRAM_SEGMENT_ID_USERPAGE 2
#define TZRAM_SEGMENT_ID_CORE012_STACK 3
#define TZRAM_SEGMENT_ID_CORE3_STACK 4
#define TZRAM_SEGEMENT_ID_SECMON_EVT 5
#define TZRAM_SEGMENT_ID_L2_TRANSLATION_TABLE 6
#define TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE 7
#define TZRAM_SEGMENT_ID_MAX 8
#define IDENTITY_GET_MAPPING_ADDRESS(mapping_id) (TUPLE_ELEM_0(CAT(_MMAPID, EVAL(mapping_id))))
#define IDENTITY_GET_MAPPING_SIZE(mapping_id) (TUPLE_ELEM_1(CAT(_MMAPID, EVAL(mapping_id))))
#define IDENTITY_GET_MAPPING_ATTRIBS(mapping_id) (TUPLE_ELEM_2(CAT(_MMAPID, EVAL(mapping_id))))
#define IDENTITY_IS_MAPPING_BLOCK_RANGE(mapping_id) (TUPLE_ELEM_3(CAT(_MMAPID, EVAL(mapping_id))))
#define MMIO_GET_DEVICE_PA(device_id) (TUPLE_ELEM_0(CAT(_MMAPDEV, EVAL(device_id))))
#define MMIO_GET_DEVICE_ADDRESS(device_id)\
(\
(TUPLE_FOLD_LEFT_1(EVAL(device_id), _MMAPDEV, PLUS) EVAL(MMIO_BASE)) +\
0x1000ull * (device_id)\
)
#define MMIO_GET_DEVICE_SIZE(device_id) (TUPLE_ELEM_1(CAT(_MMAPDEV, EVAL(device_id))))
#define MMIO_IS_DEVICE_SECURE(device_id) (TUPLE_ELEM_2(CAT(_MMAPDEV, EVAL(device_id))))
#define LP0_ENTRY_GET_RAM_SEGMENT_PA(segment_id) (TUPLE_ELEM_0(CAT(_MMAPLP0ES, EVAL(segment_id))))
#define LP0_ENTRY_GET_RAM_SEGMENT_ADDRESS(segment_id) (EVAL(LP0_ENTRY_RAM_SEGMENT_BASE) + 0x10000ull * (segment_id))
#define LP0_ENTRY_GET_RAM_SEGMENT_SIZE(segment_id) (TUPLE_ELEM_1(CAT(_MMAPLP0ES, EVAL(segment_id))))
#define LP0_ENTRY_GET_RAM_SEGMENT_ATTRIBS(segment_id) (TUPLE_ELEM_2(CAT(_MMAPLP0ES, EVAL(segment_id))))
#define WARMBOOT_GET_RAM_SEGMENT_PA(segment_id) (TUPLE_ELEM_0(CAT(_MMAPWBS, EVAL(segment_id))))
#define WARMBOOT_GET_RAM_SEGMENT_ADDRESS(segment_id) (TUPLE_FOLD_LEFT_1(EVAL(segment_id), _MMAPWBS, PLUS) EVAL(WARMBOOT_RAM_SEGMENT_BASE))
#define WARMBOOT_GET_RAM_SEGMENT_SIZE(segment_id) (TUPLE_ELEM_1(CAT(_MMAPWBS, EVAL(segment_id))))
#define WARMBOOT_GET_RAM_SEGMENT_ATTRIBS(segment_id) (TUPLE_ELEM_2(CAT(_MMAPWBS, EVAL(segment_id))))
#define TZRAM_GET_SEGMENT_PA(segment_id) (0x7C010000ull + (TUPLE_ELEM_0(CAT(_MMAPTZS, EVAL(segment_id)))))
#define TZRAM_GET_SEGMENT_ADDRESS(segment_id) (TUPLE_FOLD_LEFT_2(EVAL(segment_id), _MMAPTZS, PLUS) EVAL(TZRAM_SEGMENT_BASE))
#define TZRAM_GET_SEGMENT_SIZE(segment_id) (TUPLE_ELEM_1(CAT(_MMAPTZS, EVAL(segment_id))))
#define TZRAM_IS_SEGMENT_EXECUTABLE(segment_id) (TUPLE_ELEM_3(CAT(_MMAPTZS, EVAL(segment_id))))
/**********************************************************************************************/
/* We don't need unmapping functions */
ALINLINE static inline void identity_map_mapping(uintptr_t *mmu_l1_tbl, uintptr_t *mmu_l3_tbl, uintptr_t addr, size_t size, uint64_t attribs, bool is_block_range) {
if (is_block_range) {
mmu_map_block_range(1, mmu_l1_tbl, addr, addr, size, attribs | MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_NORMAL);
}
else {
mmu_map_page_range(mmu_l3_tbl, addr, addr, size, attribs | MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_NORMAL);
}
}
ALINLINE static inline void mmio_map_device(uintptr_t *mmu_l3_tbl, uintptr_t addr, uintptr_t pa, size_t size, bool is_secure) {
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_BLOCK_NS | secure_device_attributes;
uint64_t attributes = is_secure ? secure_device_attributes : device_attributes;
mmu_map_page_range(mmu_l3_tbl, addr, pa, size, attributes);
}
ALINLINE static inline void lp0_entry_map_ram_segment(uintptr_t *mmu_l3_tbl, uintptr_t addr, uintptr_t pa, size_t size, uint64_t attribs) {
uint64_t attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | attribs;
mmu_map_page_range(mmu_l3_tbl, addr, pa, size, attributes);
}
ALINLINE static inline void warmboot_map_ram_segment(uintptr_t *mmu_l3_tbl, uintptr_t addr, uintptr_t pa, size_t size, uint64_t attribs) {
uint64_t attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | attribs;
mmu_map_page_range(mmu_l3_tbl, addr, pa, size, attributes);
}
ALINLINE static inline void tzram_map_segment(uintptr_t *mmu_l3_tbl, uintptr_t addr, uintptr_t pa, size_t size, bool is_executable) {
uint64_t attributes = (is_executable ? 0 : MMU_PTE_BLOCK_XN) | MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_NORMAL;
mmu_map_page_range(mmu_l3_tbl, addr, pa, size, attributes);
}
#endif