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Code Issues Releases Activity

Failed attempt to fix loops not being unrolled, other fixes.

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TuxSH 2018-02-25 21:41:16 +01:00
parent ed5f43ef39
commit 969b781a68
4 changed files with 52 additions and 41 deletions
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10
.gitignore vendored
View file

@ -51,9 +51,9 @@ Module.symvers
Mkfile.old Mkfile.old
dkms.conf dkms.conf
.*/ .**/
exosphere/bpmpfw/out/ exosphere/bpmpfw/out/**
exosphere/bpmpfw/build exosphere/bpmpfw/build/**
exosphere/build exosphere/build/**
exosphere/out exosphere/out/**

2
exosphere/src/coldboot_init.c
View file

@ -41,7 +41,7 @@ static void configure_ttbls(void) {
identity_map_all_mappings(mmu_l1_tbl, mmu_l3_tbl); identity_map_all_mappings(mmu_l1_tbl, mmu_l3_tbl);
mmio_map_all_devices(mmu_l3_tbl); mmio_map_all_devices(mmu_l3_tbl);
lp0_map_all_plaintext_ram_segments(mmu_l3_tbl); lp0_map_all_plaintext_ram_segments(mmu_l3_tbl);
lp0_map_all_ciphertext_ram_segments(mmu_l3_tbl); warmboot_map_all_ram_segments(mmu_l3_tbl);
tzram_map_all_segments(mmu_l3_tbl); tzram_map_all_segments(mmu_l3_tbl);
} }

72
exosphere/src/memory_map.h
View file

@ -82,6 +82,8 @@ static const struct {
#define WARMBOOT_RAM_SEGMENT_BASE (LP0_ENTRY_RAM_SEGMENT_BASE + 0x000047000) /* increment seems to be arbitrary ? */ #define WARMBOOT_RAM_SEGMENT_BASE (LP0_ENTRY_RAM_SEGMENT_BASE + 0x000047000) /* increment seems to be arbitrary ? */
#define TZRAM_SEGMENT_BASE (MMIO_BASE + 0x0001E0000) #define TZRAM_SEGMENT_BASE (MMIO_BASE + 0x0001E0000)
#define IDENTIY_MAPPING_ID_MAX 3
#define MMIO_DEVID_GICD 0 #define MMIO_DEVID_GICD 0
#define MMIO_DEVID_GICC 1 #define MMIO_DEVID_GICC 1
#define MMIO_DEVID_UART_A 2 #define MMIO_DEVID_UART_A 2
@ -100,13 +102,16 @@ static const struct {
#define MMIO_DEVID_GPIO 15 #define MMIO_DEVID_GPIO 15
#define MMIO_DEVID_DTV_I2C234 16 #define MMIO_DEVID_DTV_I2C234 16
#define MMIO_DEVID_EXCEPTION_VECTORS 17 #define MMIO_DEVID_EXCEPTION_VECTORS 17
#define MMIO_DEVID_MAX 18
#define LP0_ENTRY_RAM_SEGMENT_ID_DECRYPTED_TZRAM 0 #define LP0_ENTRY_RAM_SEGMENT_ID_DECRYPTED_TZRAM 0
#define LP0_ENTRY_RAM_SEGMENT_ID_LP0_ENTRY_CODE 1 #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_CURRENT_TZRAM 2
#define LP0_ENTRY_RAM_SEGMENT_ID_MAX 3
#define WARMBOOT_RAM_SEGMENT_ID_SE_STATE 0 #define WARMBOOT_RAM_SEGMENT_ID_SE_STATE 0
#define WARMBOOT_RAM_SEGMENT_ID_TZRAM 1 #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_WARMBOOT_CRT0_AND_MAIN 0
#define TZRAM_SEGMENT_ID_PK2LDR 1 #define TZRAM_SEGMENT_ID_PK2LDR 1
@ -116,12 +121,13 @@ static const struct {
#define TZRAM_SEGEMENT_ID_SECMON_EVT 5 #define TZRAM_SEGEMENT_ID_SECMON_EVT 5
#define TZRAM_SEGMENT_ID_L2_TRANSLATION_TABLE 6 #define TZRAM_SEGMENT_ID_L2_TRANSLATION_TABLE 6
#define TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE 7 #define TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE 7
#define TZRAM_SEGMENT_ID_MAX 8
/**********************************************************************************************/ /**********************************************************************************************/
static inline void identity_map_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void identity_map_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t *mmu_l3_tbl) {
static uint64_t base_attributes = MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_NORMAL; static uint64_t base_attributes = MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_NORMAL;
for(size_t i = 0; i < sizeof(g_identity_mappings) / sizeof(g_identity_mappings[0]); i++) { for(size_t i = 0; i < IDENTIY_MAPPING_ID_MAX; i++) {
uint64_t attributes = base_attributes | g_identity_mappings[i].attributes; uint64_t attributes = base_attributes | g_identity_mappings[i].attributes;
if(g_identity_mappings[i].is_block_range) { if(g_identity_mappings[i].is_block_range) {
mmu_map_block_range(1, mmu_l1_tbl, g_identity_mappings[i].address, g_identity_mappings[i].address, mmu_map_block_range(1, mmu_l1_tbl, g_identity_mappings[i].address, g_identity_mappings[i].address,
@ -134,8 +140,8 @@ static inline void identity_map_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t *m
} }
} }
static inline void identity_unmap_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void identity_unmap_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t *mmu_l3_tbl) {
for(size_t i = 0; i < sizeof(g_identity_mappings) / sizeof(g_identity_mappings[0]); i++) { for(size_t i = 0; i < IDENTIY_MAPPING_ID_MAX; i++) {
if(g_identity_mappings[i].is_block_range) { if(g_identity_mappings[i].is_block_range) {
mmu_unmap_range(1, mmu_l1_tbl, g_identity_mappings[i].address, g_identity_mappings[i].size); mmu_unmap_range(1, mmu_l1_tbl, g_identity_mappings[i].address, g_identity_mappings[i].size);
} }
@ -147,12 +153,12 @@ static inline void identity_unmap_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t
/**********************************************************************************************/ /**********************************************************************************************/
static inline uintptr_t mmio_get_device_pa(unsigned int device_id) { INLINE_UNROLL static inline uintptr_t mmio_get_device_pa(unsigned int device_id) {
return g_devices[device_id].pa; return g_devices[device_id].pa;
} }
#ifndef MEMORY_MAP_USE_IDENTIY_MAPPING #ifndef MEMORY_MAP_USE_IDENTIY_MAPPING
static inline uintptr_t mmio_get_device_address(unsigned int device_id) { INLINE_UNROLL static inline const uintptr_t mmio_get_device_address(unsigned int device_id) {
size_t offset = 0; size_t offset = 0;
for(unsigned int i = 0; i < device_id; i++) { for(unsigned int i = 0; i < device_id; i++) {
offset += g_devices[i].size; offset += g_devices[i].size;
@ -163,16 +169,16 @@ static inline uintptr_t mmio_get_device_address(unsigned int device_id) {
} }
#else #else
static inline uintptr_t mmio_get_device_address(unsigned int device_id) { INLINE_UNROLL static inline uintptr_t mmio_get_device_address(unsigned int device_id) {
return mmio_get_device_pa(device_id); return mmio_get_device_pa(device_id);
} }
#endif #endif
static inline void mmio_map_all_devices(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL 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 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; 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++) { for(size_t i = 0, offset = 0; i < MMIO_DEVID_MAX; i++) {
uint64_t attributes = g_devices[i].is_secure ? secure_device_attributes : device_attributes; uint64_t attributes = g_devices[i].is_secure ? secure_device_attributes : device_attributes;
mmu_map_page_range(mmu_l3_tbl, MMIO_BASE + offset, g_devices[i].pa, g_devices[i].size, attributes); mmu_map_page_range(mmu_l3_tbl, MMIO_BASE + offset, g_devices[i].pa, g_devices[i].size, attributes);
@ -181,8 +187,8 @@ static inline void mmio_map_all_devices(uintptr_t *mmu_l3_tbl) {
} }
} }
static inline void mmio_unmap_all_devices(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void mmio_unmap_all_devices(uintptr_t *mmu_l3_tbl) {
for(size_t i = 0, offset = 0; i < sizeof(g_devices) / sizeof(g_devices[0]); i++) { for(size_t i = 0, offset = 0; i < MMIO_DEVID_MAX; i++) {
mmu_unmap_range(3, mmu_l3_tbl, MMIO_BASE + offset, g_devices[i].size); mmu_unmap_range(3, mmu_l3_tbl, MMIO_BASE + offset, g_devices[i].size);
offset += g_devices[i].size; offset += g_devices[i].size;
@ -192,22 +198,22 @@ static inline void mmio_unmap_all_devices(uintptr_t *mmu_l3_tbl) {
/**********************************************************************************************/ /**********************************************************************************************/
static inline uintptr_t lp0_get_plaintext_ram_segment_pa(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t lp0_get_plaintext_ram_segment_pa(unsigned int segment_id) {
return g_lp0_entry_ram_segments[segment_id].pa; return g_lp0_entry_ram_segments[segment_id].pa;
} }
#ifndef MEMORY_MAP_USE_IDENTIY_MAPPING #ifndef MEMORY_MAP_USE_IDENTIY_MAPPING
static inline uintptr_t lp0_get_plaintext_ram_segment_address(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t lp0_get_plaintext_ram_segment_address(unsigned int segment_id) {
return LP0_ENTRY_RAM_SEGMENT_BASE + 0x10000 * segment_id; return LP0_ENTRY_RAM_SEGMENT_BASE + 0x10000 * segment_id;
} }
#else #else
static inline uintptr_t lp0_get_plaintext_ram_segment_address(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t lp0_get_plaintext_ram_segment_address(unsigned int segment_id) {
return lp0_get_plaintext_ram_segment_pa(segment_id); return lp0_get_plaintext_ram_segment_pa(segment_id);
} }
#endif #endif
static inline void lp0_map_all_plaintext_ram_segments(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void lp0_map_all_plaintext_ram_segments(uintptr_t *mmu_l3_tbl) {
for(size_t i = 0, offset = 0; i < sizeof(g_lp0_entry_ram_segments) / sizeof(g_lp0_entry_ram_segments[0]); i++) { for(size_t i = 0, offset = 0; i < LP0_ENTRY_RAM_SEGMENT_ID_MAX; i++) {
uint64_t attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | g_lp0_entry_ram_segments[i].attributes; uint64_t attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | g_lp0_entry_ram_segments[i].attributes;
mmu_map_page_range(mmu_l3_tbl, LP0_ENTRY_RAM_SEGMENT_BASE + offset, g_lp0_entry_ram_segments[i].pa, mmu_map_page_range(mmu_l3_tbl, LP0_ENTRY_RAM_SEGMENT_BASE + offset, g_lp0_entry_ram_segments[i].pa,
g_lp0_entry_ram_segments[i].size, attributes); g_lp0_entry_ram_segments[i].size, attributes);
@ -215,8 +221,8 @@ static inline void lp0_map_all_plaintext_ram_segments(uintptr_t *mmu_l3_tbl) {
} }
} }
static inline void lp0_unmap_all_plaintext_ram_segments(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void lp0_unmap_all_plaintext_ram_segments(uintptr_t *mmu_l3_tbl) {
for(size_t i = 0, offset = 0; i < sizeof(g_lp0_entry_ram_segments) / sizeof(g_lp0_entry_ram_segments[0]); i++) { for(size_t i = 0, offset = 0; i < LP0_ENTRY_RAM_SEGMENT_ID_MAX; i++) {
mmu_unmap_range(3, mmu_l3_tbl, LP0_ENTRY_RAM_SEGMENT_BASE + offset, g_lp0_entry_ram_segments[i].size); mmu_unmap_range(3, mmu_l3_tbl, LP0_ENTRY_RAM_SEGMENT_BASE + offset, g_lp0_entry_ram_segments[i].size);
offset += 0x10000; offset += 0x10000;
@ -225,12 +231,12 @@ static inline void lp0_unmap_all_plaintext_ram_segments(uintptr_t *mmu_l3_tbl) {
/**********************************************************************************************/ /**********************************************************************************************/
static inline uintptr_t lp0_get_ciphertext_ram_segment_pa(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t warmboot_get_ram_segment_pa(unsigned int segment_id) {
return g_warmboot_ram_segments[segment_id].pa; return g_warmboot_ram_segments[segment_id].pa;
} }
#ifndef MEMORY_MAP_USE_IDENTIY_MAPPING #ifndef MEMORY_MAP_USE_IDENTIY_MAPPING
static inline uintptr_t lp0_get_ciphertext_ram_segment_address(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t warmboot_get_ram_segment_address(unsigned int segment_id) {
size_t offset = 0; size_t offset = 0;
for(unsigned int i = 0; i < segment_id; i++) { for(unsigned int i = 0; i < segment_id; i++) {
offset += g_warmboot_ram_segments[i].size; offset += g_warmboot_ram_segments[i].size;
@ -239,13 +245,13 @@ static inline uintptr_t lp0_get_ciphertext_ram_segment_address(unsigned int segm
return WARMBOOT_RAM_SEGMENT_BASE + offset; return WARMBOOT_RAM_SEGMENT_BASE + offset;
} }
#else #else
static inline uintptr_t lp0_get_ciphertext_ram_segment_address(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t warmboot_get_ram_segment_address(unsigned int segment_id) {
return lp0_get_ciphertext_ram_segment_pa(segment_id); return warmboot_get_ram_segment_pa(segment_id);
} }
#endif #endif
static inline void lp0_map_all_ciphertext_ram_segments(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void warmboot_map_all_ram_segments(uintptr_t *mmu_l3_tbl) {
for(size_t i = 0, offset = 0; i < sizeof(g_warmboot_ram_segments) / sizeof(g_warmboot_ram_segments[0]); i++) { for(size_t i = 0, offset = 0; i < WARMBOOT_RAM_SEGMENT_ID_MAX; i++) {
uint64_t attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | g_warmboot_ram_segments[i].attributes; uint64_t attributes = MMU_PTE_BLOCK_XN | MMU_PTE_BLOCK_INNER_SHAREBLE | g_warmboot_ram_segments[i].attributes;
mmu_map_page_range(mmu_l3_tbl, WARMBOOT_RAM_SEGMENT_BASE + offset, g_warmboot_ram_segments[i].pa, mmu_map_page_range(mmu_l3_tbl, WARMBOOT_RAM_SEGMENT_BASE + offset, g_warmboot_ram_segments[i].pa,
g_warmboot_ram_segments[i].size, attributes); g_warmboot_ram_segments[i].size, attributes);
@ -253,8 +259,8 @@ static inline void lp0_map_all_ciphertext_ram_segments(uintptr_t *mmu_l3_tbl) {
} }
} }
static inline void lp0_unmap_all_ciphertext_ram_segments(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void warmboot_unmap_all_ram_segments(uintptr_t *mmu_l3_tbl) {
for(size_t i = 0, offset = 0; i < sizeof(g_warmboot_ram_segments) / sizeof(g_warmboot_ram_segments[0]); i++) { for(size_t i = 0, offset = 0; i < WARMBOOT_RAM_SEGMENT_ID_MAX; i++) {
mmu_unmap_range(3, mmu_l3_tbl, WARMBOOT_RAM_SEGMENT_BASE + offset, g_warmboot_ram_segments[i].size); mmu_unmap_range(3, mmu_l3_tbl, WARMBOOT_RAM_SEGMENT_BASE + offset, g_warmboot_ram_segments[i].size);
offset += g_warmboot_ram_segments[i].size; offset += g_warmboot_ram_segments[i].size;
@ -263,12 +269,12 @@ static inline void lp0_unmap_all_ciphertext_ram_segments(uintptr_t *mmu_l3_tbl)
/**********************************************************************************************/ /**********************************************************************************************/
static inline uintptr_t tzram_get_segment_pa(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t tzram_get_segment_pa(unsigned int segment_id) {
return 0x7C010000 + g_tzram_segments[segment_id].tzram_offset; return 0x7C010000 + g_tzram_segments[segment_id].tzram_offset;
} }
#ifndef MEMORY_MAP_USE_IDENTIY_MAPPING #ifndef MEMORY_MAP_USE_IDENTIY_MAPPING
static inline uintptr_t tzram_get_segment_address(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t tzram_get_segment_address(unsigned int segment_id) {
size_t offset = 0; size_t offset = 0;
for(unsigned int i = 0; i < segment_id; i++) { for(unsigned int i = 0; i < segment_id; i++) {
offset += g_tzram_segments[i].increment; offset += g_tzram_segments[i].increment;
@ -277,14 +283,14 @@ static inline uintptr_t tzram_get_segment_address(unsigned int segment_id) {
return TZRAM_SEGMENT_BASE + offset; return TZRAM_SEGMENT_BASE + offset;
} }
#else #else
static inline uintptr_t tzram_get_segment_address(unsigned int segment_id) { INLINE_UNROLL static inline uintptr_t tzram_get_segment_address(unsigned int segment_id) {
return tzram_get_segment_pa(segment_id); return tzram_get_segment_pa(segment_id);
} }
#endif #endif
static inline void tzram_map_all_segments(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void tzram_map_all_segments(uintptr_t *mmu_l3_tbl) {
/* Except the SPL userpage */ /* Except the SPL userpage */
for(size_t i = 0, offset = 0; i < sizeof(g_tzram_segments) / sizeof(g_tzram_segments[0]); i++) { for(size_t i = 0, offset = 0; i < TZRAM_SEGMENT_ID_MAX; i++) {
uint64_t attributes = (g_tzram_segments[i].is_code_segment ? 0 : MMU_PTE_BLOCK_XN) | MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_NORMAL; uint64_t attributes = (g_tzram_segments[i].is_code_segment ? 0 : MMU_PTE_BLOCK_XN) | MMU_PTE_BLOCK_INNER_SHAREBLE | ATTRIB_MEMTYPE_NORMAL;
if(g_tzram_segments[i].map_size == 0) { if(g_tzram_segments[i].map_size == 0) {
continue; continue;
@ -295,9 +301,9 @@ static inline void tzram_map_all_segments(uintptr_t *mmu_l3_tbl) {
} }
} }
static inline void tzram_unmap_all_segments(uintptr_t *mmu_l3_tbl) { INLINE_UNROLL static inline void tzram_unmap_all_segments(uintptr_t *mmu_l3_tbl) {
/* Except the SPL userpage */ /* Except the SPL userpage */
for(size_t i = 0, offset = 0; i < sizeof(g_warmboot_ram_segments) / sizeof(g_warmboot_ram_segments[0]); i++) { for(size_t i = 0, offset = 0; i < TZRAM_SEGMENT_ID_MAX; i++) {
if(g_tzram_segments[i].map_size == 0) { if(g_tzram_segments[i].map_size == 0) {
continue; continue;
} }

9
exosphere/src/utils.h
View file

@ -5,8 +5,13 @@
#include <stddef.h> #include <stddef.h>
#include <stdint.h> #include <stdint.h>
#define BIT(x) (1u << (x)) #define BIT(n) (1u << (n))
#define BITL(x) (1ull << (x)) #define BITL(n) (1ull << (n))
#define ALIGN(m) __attribute__((aligned(m)))
#define PACKED __attribute__((packed))
#define INLINE_UNROLL __attribute__((always_inline, optimize("unroll-all-loops")))
void panic(uint32_t code); void panic(uint32_t code);
void generic_panic(void); void generic_panic(void);