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Finish implementing Security Engine context save

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This commit is contained in:
Michael Scire
2018-02-27 19:05:45 -08:00
parent a8a2f8c3f6
commit fba3d1c2d9
2 changed files with 106 additions and 16 deletions
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24
exosphere/src/se.h
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@@ -1,6 +1,7 @@
#ifndef EXOSPHERE_SE_H
#define EXOSPHERE_SE_H
#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
@@ -58,6 +59,23 @@
#define OP_CTX_SAVE 3
#define OP_RESTART_IN 4
#define CTX_SAVE_SRC_SHIFT 29
#define CTX_SAVE_SRC_STICKY_BITS (0 << CTX_SAVE_SRC_SHIFT)
#define CTX_SAVE_SRC_KEYTABLE_AES (2 << CTX_SAVE_SRC_SHIFT)
#define CTX_SAVE_SRC_KEYTABLE_RSA (1 << CTX_SAVE_SRC_SHIFT)
#define CTX_SAVE_SRC_MEM (4 << CTX_SAVE_SRC_SHIFT)
#define CTX_SAVE_SRC_SRK (6 << CTX_SAVE_SRC_SHIFT)
#define CTX_SAVE_KEY_LOW_BITS 0
#define CTX_SAVE_KEY_HIGH_BITS 1
#define CTX_SAVE_KEY_ORIGINAL_IV 2
#define CTX_SAVE_KEY_UPDATED_IV 3
#define CTX_SAVE_STICKY_BIT_INDEX_SHIFT 24
#define CTX_SAVE_KEY_INDEX_SHIFT 8
#define CTX_SAVE_RSA_KEY_INDEX_SHIFT 16
#define CTX_SAVE_RSA_KEY_BLOCK_INDEX_SHIFT 12
#define RSA_2048_BYTES 0x100
typedef struct security_engine {
@@ -74,7 +92,9 @@ typedef struct security_engine {
unsigned int _0x28;
unsigned int _0x2C;
unsigned char HASH_RESULT_REG[0x20];
unsigned char _0x50[0x1B0];
unsigned char _0x50[0x20];
unsigned int CONTEXT_SAVE_CONFIG_REG;
unsigned char _0x74[0x18C];
unsigned int SHA_CONFIG_REG;
unsigned int SHA_MSG_LENGTH_REG;
unsigned int _0x20C;
@@ -125,6 +145,8 @@ typedef struct security_engine {
unsigned char _0x820[0x17E0];
} security_engine_t;
static_assert(sizeof(security_engine_t) == 0x2000, "Mis-defined Security Engine Registers!");
typedef struct {
uint32_t address;
uint32_t size;