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Merge pull request #19519 from Teufelchen1/feat/gba
boards/cpu: Add GBA boot support to RIOT
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# Copyright (c) 2023 HAW Hamburg | ||
# | ||
# This file is subject to the terms and conditions of the GNU Lesser | ||
# General Public License v2.1. See the file LICENSE in the top level | ||
# directory for more details. | ||
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config BOARD | ||
default "gba" if BOARD_GBA | ||
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config BOARD_GBA | ||
bool | ||
default y | ||
select CPU_MODEL_ARM7TDMI_GBA |
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MODULE = board | ||
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include $(RIOTBASE)/Makefile.base |
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CPU = arm7tdmi_gba | ||
CPU_MODEL = arm7tdmi_gba |
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FLASHFILE = $(BINFILE) |
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/** | ||
@defgroup boards_gba_cartridge GBA | ||
@ingroup boards | ||
@brief Support for the GBA | ||
*/ |
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/* | ||
* Copyright (C) 2023 Bennet Blischke <[email protected]> | ||
* | ||
* This file is subject to the terms and conditions of the GNU Lesser General | ||
* Public License v2.1. See the file LICENSE in the top level directory for more | ||
* details. | ||
*/ | ||
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/** | ||
* @ingroup boards_gba_cartridge | ||
* @{ | ||
* | ||
* @file | ||
* @brief | ||
* | ||
* @author | ||
*/ | ||
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#ifndef BOARD_H | ||
#define BOARD_H | ||
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#include "cpu.h" | ||
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#ifdef __cplusplus | ||
extern "C" | ||
{ | ||
#endif | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* BOARD_H */ | ||
/** @} */ |
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/* | ||
* Copyright (C) 2023 Bennet Blischke <[email protected]> | ||
* | ||
* This file is subject to the terms and conditions of the GNU Lesser General | ||
* Public License v2.1. See the file LICENSE in the top level directory for more | ||
* details. | ||
*/ | ||
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/** | ||
* @ingroup boards_gba_cartridge | ||
* @{ | ||
* | ||
* @file | ||
* @brief | ||
* | ||
* @author | ||
*/ | ||
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#ifndef PERIPH_CONF_H | ||
#define PERIPH_CONF_H | ||
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#include "periph_cpu.h" | ||
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#ifdef __cplusplus | ||
extern "C" | ||
{ | ||
#endif | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* PERIPH_CONF_H */ | ||
/** @} */ |
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MODULE = cpu | ||
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include $(RIOTCPU)/$(CPU)/Makefile.include | ||
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DIRS = $(RIOTCPU)/arm7_common | ||
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ifneq (,$(filter stdio_%,$(USEMODULE))) | ||
DIRS += stdio_fb | ||
endif | ||
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include $(RIOTBASE)/Makefile.base |
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DISABLE_MODULE += periph_init_leds |
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USEMODULE += arm7_common | ||
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ifeq (,$(filter stdio_%,$(USEMODULE))) | ||
USEMODULE += stdio_fb | ||
endif | ||
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include $(RIOTCPU)/arm7_common/Makefile.dep |
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CPU_ARCH = armv4t | ||
CPU_CORE = arm7tdmi_s | ||
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FEATURES_PROVIDED += arch_32bit | ||
FEATURES_PROVIDED += arch_arm | ||
FEATURES_PROVIDED += arch_arm7 | ||
FEATURES_PROVIDED += cpp | ||
FEATURES_PROVIDED += libstdcpp | ||
FEATURES_PROVIDED += newlib | ||
FEATURES_PROVIDED += picolibc | ||
FEATURES_PROVIDED += periph_pm |
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MCPU := arm7tdmi | ||
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include $(RIOTCPU)/arm7_common/Makefile.include |
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.section .gbaheader | ||
b _startup | ||
// Nintendo Logo data | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | ||
.byte 0x00, 0x00, 0x00, 0x00 | ||
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// ASCII Game title | ||
.ascii "\0\0\0\0\0\0\0\0\0\0\0\0" | ||
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// ASCII Game code | ||
.ascii "\0\0\0\0" | ||
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// ASCII Manufacturer id | ||
.ascii "\0\0" | ||
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// Fixed value | ||
.byte 0x96 | ||
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// Target device (0 = GBA) | ||
.byte 0x00 | ||
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// Reserved | ||
.word 0x00000000 | ||
.word 0x00000000 | ||
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// Version | ||
.byte 0x00 | ||
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// Checksum | ||
.byte 0x51 | ||
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// Reserved | ||
.hword 0x0000 | ||
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// Multiboot header | ||
.zero 36 |
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/* | ||
* Copyright (C) 2023 HAW Hamburg. All rights reserved. | ||
* | ||
* This file is subject to the terms and conditions of the GNU Lesser | ||
* General Public License v2.1. See the file LICENSE in the top level | ||
* directory for more details. | ||
*/ | ||
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/** | ||
* @ingroup cpu_arm7tdmi_gba | ||
* @{ | ||
*/ | ||
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#include <stdint.h> | ||
#include "cpu.h" | ||
#include "kernel_init.h" | ||
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/** | ||
* @brief Initialize the CPU, set IRQ priorities, clocks | ||
*/ | ||
void cpu_init(void) | ||
{ | ||
extern void board_init(void); | ||
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/* board specific setup of i/o pins */ | ||
board_init(); | ||
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/* initialize stdio prior to periph_init() to allow use of DEBUG() there */ | ||
early_init(); | ||
} |
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/** | ||
* @defgroup cpu_arm7tdmi_gba GBAs ARM7TDMI | ||
* @ingroup cpu | ||
* @brief Nintendos ARM7TDMI on the GBA | ||
*/ |
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/* | ||
* Copyright (C) 2023 HAW Hamburg. All rights reserved. | ||
* | ||
* This file is subject to the terms and conditions of the GNU Lesser | ||
* General Public License v2.1. See the file LICENSE in the top level | ||
* directory for more details. | ||
*/ | ||
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#ifndef CPU_H | ||
#define CPU_H | ||
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/** | ||
* @ingroup cpu_arm7tdmi_gba | ||
* @{ | ||
*/ | ||
#include "arm_cpu.h" | ||
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#ifdef __cplusplus | ||
extern "C" | ||
{ | ||
#endif | ||
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extern uintptr_t __stack_start; /**< end of user stack memory space */ | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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/** @} */ | ||
#endif /* CPU_H */ |
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/* | ||
* Copyright (C) 2023 HAW Hamburg. All rights reserved. | ||
* | ||
* This file is subject to the terms and conditions of the GNU Lesser | ||
* General Public License v2.1. See the file LICENSE in the top level | ||
* directory for more details. | ||
*/ | ||
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#ifndef CPU_CONF_H | ||
#define CPU_CONF_H | ||
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#ifdef __cplusplus | ||
extern "C" | ||
{ | ||
#endif | ||
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/** | ||
* @ingroup cpu_arm7tdmi_gba | ||
* | ||
* @{ | ||
*/ | ||
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/** | ||
* @file | ||
* @brief ARM7TDMI_GBA CPU configuration | ||
* | ||
* @author | ||
*/ | ||
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/** | ||
* @brief This arch uses the inlined irq API. | ||
*/ | ||
#define IRQ_API_INLINED (1) | ||
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/** | ||
* @name Kernel configuration | ||
* @{ | ||
*/ | ||
#define THREAD_EXTRA_STACKSIZE_PRINTF (512) | ||
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#ifndef THREAD_STACKSIZE_DEFAULT | ||
#define THREAD_STACKSIZE_DEFAULT (1024) | ||
#endif | ||
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#ifndef THREAD_STACKSIZE_IDLE | ||
#define THREAD_STACKSIZE_IDLE (160) | ||
#endif | ||
/** @} */ | ||
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/** | ||
* @brief Stack size used for the undefined instruction interrupt stack | ||
*/ | ||
#define UND_STACKSIZE (64) | ||
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/** | ||
* @brief Stack size used for the abort interrupt stack | ||
*/ | ||
#define ABT_STACKSIZE (64) | ||
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/** | ||
* @brief Stack size used for the interrupt (ISR) stack | ||
*/ | ||
#ifndef ISR_STACKSIZE | ||
#define ISR_STACKSIZE (400) | ||
#endif | ||
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/** | ||
* @brief Stack size used for the fast interrupt (FIQ) stack | ||
*/ | ||
#define FIQ_STACKSIZE (64) | ||
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/** | ||
* @brief Stack size used for the supervisor mode (SVC) stack | ||
*/ | ||
#define SVC_STACKSIZE (400) | ||
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/** | ||
* @brief Stack size used for the user mode/kernel init stack | ||
*/ | ||
#define USR_STACKSIZE (4096) | ||
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/** | ||
* @brief The CPU has 2 blocks of SRAM at different addresses. | ||
* (primary on-chip RAM and external working EWRAM) | ||
*/ | ||
#define NUM_HEAPS (2) | ||
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/** @} */ | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* CPU_CONF_H */ |
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