mirror of
https://gitee.com/anod/open_agb_firm.git
synced 2025-05-06 22:04:10 +08:00
78da297199
gfx: 常量大改名、函数大改名，增加了双缓冲的一些驱动函数 其他：基本是ARM9/ARM11宏修改和BIT取值修改，bool从c风格转成c++强类型风格等。sha.c使用了memory.h进行的改动(copy32)
139 lines
4.2 KiB
C
139 lines
4.2 KiB
C
#pragma once
|
|
|
|
/*
|
|
* This file is part of libn3ds
|
|
* Copyright (C) 2024 derrek, profi200
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "types.h"
|
|
#include "mem_map.h"
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
#ifdef __ARM11__
|
|
#define SHA_REGS_BASE (IO_COMMON_BASE + 0x1000)
|
|
#elif __ARM9__
|
|
#define SHA_REGS_BASE (IO_AHB_BASE + 0xA000)
|
|
#endif // #ifdef __ARM11__
|
|
|
|
// Vectorizing the FIFO improves code generation at the cost of being slightly slower for small data.
|
|
typedef u32 ShaFifo __attribute__((vector_size(64)));
|
|
|
|
typedef struct
|
|
{
|
|
vu32 cnt; // 0x00
|
|
vu32 blkcnt; // 0x04
|
|
u8 _0x8[0x38];
|
|
vu32 hash[8]; // 0x40
|
|
u8 _0x60[0x20];
|
|
volatile ShaFifo fifo; // 0x80 The FIFO is in the DMA region instead on ARM11.
|
|
} Sha;
|
|
static_assert(offsetof(Sha, fifo) == 0x80, "Error: Member fifo of Sha is not at offset 0x80!");
|
|
|
|
ALWAYS_INLINE Sha* getShaRegs(void)
|
|
{
|
|
return (Sha*)SHA_REGS_BASE;
|
|
}
|
|
|
|
ALWAYS_INLINE volatile ShaFifo* getShaFifo(Sha *const regs)
|
|
{
|
|
#ifdef __ARM11__
|
|
return (volatile ShaFifo*)((uintptr_t)regs + 0x200000);
|
|
#else
|
|
return ®s->fifo;
|
|
#endif // #ifdef __ARM11__
|
|
}
|
|
|
|
|
|
// REG_SHA_CNT
|
|
#define SHA_EN BIT(0) // Also used as busy flag.
|
|
#define SHA_FINAL_ROUND BIT(1) // Final round/add input padding.
|
|
#define SHA_I_DMA_EN BIT(2) // Input DMA enable.
|
|
#define SHA_IN_BIG BIT(3)
|
|
#define SHA_IN_LITTLE (0u)
|
|
#define SHA_OUT_BIG (SHA_IN_BIG)
|
|
#define SHA_OUT_LITTLE (SHA_IN_LITTLE)
|
|
#define SHA_256_MODE (0u)
|
|
#define SHA_224_MODE (1u<<4)
|
|
#define SHA_1_MODE (2u<<4)
|
|
#define SHA_MODE_MASK (SHA_1_MODE | SHA_224_MODE | SHA_256_MODE)
|
|
#define SHA_RB_MODE BIT(8) // Readback mode.
|
|
#define SHA_RB_FIFO_NE BIT(9) // Readback mode FIFO not empty status.
|
|
#define SHA_O_DMA_EN BIT(10) // Output DMA enable (readback mode).
|
|
|
|
|
|
|
|
/**
|
|
* @brief Sets input mode, endianess and starts the hash operation.
|
|
*
|
|
* @param[in] params Extra parameters like endianess. See REG_SHA_CNT defines above.
|
|
*/
|
|
void SHA_start(u16 params);
|
|
|
|
/**
|
|
* @brief Hashes the data pointed to.
|
|
*
|
|
* @param[in] data Pointer to data to hash.
|
|
* @param[in] size Size of the data to hash.
|
|
*/
|
|
void SHA_update(const u32 *data, u32 size);
|
|
|
|
/**
|
|
* @brief Generates the final hash.
|
|
*
|
|
* @param hash Pointer to memory to copy the hash to.
|
|
* @param[in] endianess Endianess bitmask for the hash.
|
|
*/
|
|
void SHA_finish(u32 *const hash, u16 endianess);
|
|
|
|
/**
|
|
* @brief Returns the current SHA engine state.
|
|
*
|
|
* @param out Pointer to memory to copy the state to.
|
|
*/
|
|
void SHA_getState(u32 *const out);
|
|
|
|
/**
|
|
* @brief Hashes a single block of data and outputs the hash.
|
|
*
|
|
* @param[in] data Pointer to data to hash.
|
|
* @param[in] size Size of the data to hash.
|
|
* @param hash Pointer to memory to copy the hash to.
|
|
* @param[in] params Extra parameters like endianess. See REG_SHA_CNT defines above.
|
|
* @param[in] hashEndianess Endianess bitmask for the hash.
|
|
*/
|
|
void sha(const u32 *data, u32 size, u32 *const hash, u16 params, u16 hashEndianess);
|
|
|
|
/**
|
|
* @brief Hashes a single block of data with DMA and outputs the hash.
|
|
*
|
|
* @param[in] data Pointer to data to hash.
|
|
* @param[in] size Size of the data to hash.
|
|
* @param hash Pointer to memory to copy the hash to.
|
|
* @param[in] params Extra parameters like endianess. See REG_SHA_CNT defines above.
|
|
* @param[in] hashEndianess Endianess bitmask for the hash.
|
|
*/
|
|
#ifdef __ARM9__
|
|
void sha_dma(const u32 *data, u32 size, u32 *const hash, u16 params, u16 hashEndianess);
|
|
#endif // #ifdef __ARM9__
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif |