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https://github.com/d0k3/GodMode9.git
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58 lines
1.6 KiB
C
Executable File
58 lines
1.6 KiB
C
Executable File
/*
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* This file is part of GodMode9
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* Copyright (C) 2019 Wolfvak
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <arm.h>
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#define SHMEM_BUFFER_SIZE 2048
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typedef struct {
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union {
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struct { u32 keys, touch; };
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u64 full;
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} hidState;
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union {
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uint8_t b[SHMEM_BUFFER_SIZE];
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uint16_t s[SHMEM_BUFFER_SIZE / 2];
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uint32_t w[SHMEM_BUFFER_SIZE / 4];
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uint64_t q[SHMEM_BUFFER_SIZE / 8];
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} dataBuffer;
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} __attribute__((packed, aligned(8))) SystemSHMEM;
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#ifdef ARM9
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#include <pxi.h>
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extern SystemSHMEM *shmemBasePtr;
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static inline SystemSHMEM *ARM_GetSHMEM(void)
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{
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// shared memory contents are extremely likely to change
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// insert a compiler barrier to force the compiler not to assume
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// memory values will remain constant in between calls to getSHMEM
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asm_v("":::"memory", "cc");
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return shmemBasePtr;
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}
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static inline void ARM_InitSHMEM(void)
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{
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shmemBasePtr = (SystemSHMEM*)PXI_DoCMD(PXICMD_GET_SHMEM_ADDRESS, NULL, 0);
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}
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#endif
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