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Disabled fast interrupt for open source toolchain.

This commit is contained in:
imi415 2022-03-29 15:05:50 +08:00
parent 2afc177bc4
commit b5badc857a
Signed by untrusted user: imi415
GPG Key ID: 885EC2B5A8A6F8A7
6 changed files with 34 additions and 9 deletions
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10
BSP/Startup/startup_ch32v30x_D8.S
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@ -4,8 +4,8 @@
* Version : V1.0.0 * Version : V1.0.0
* Date : 2021/06/06 * Date : 2021/06/06
* Description : CH32V303 vector table for eclipse toolchain. * Description : CH32V303 vector table for eclipse toolchain.
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*******************************************************************************/ *******************************************************************************/
.section .init,"ax",@progbits .section .init,"ax",@progbits
@ -348,7 +348,11 @@ handle_reset:
csrw 0xbc0, t0 csrw 0xbc0, t0
/* Enable nested and hardware stack */ /* Enable nested and hardware stack */
li t0, 0x1f /* li t0, 0x1f */ /* For MRS proprietary GCC compilers */
/* Enable nested interrupt, disable hardware stack */
li t0, 0x1e /* Refer to RISC-V4 PFIC manual */
csrw 0x804, t0 csrw 0x804, t0
/* Enable floating point and interrupt */ /* Enable floating point and interrupt */

10
BSP/Startup/startup_ch32v30x_D8C.S
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@ -4,8 +4,8 @@
* Version : V1.0.0 * Version : V1.0.0
* Date : 2021/06/06 * Date : 2021/06/06
* Description : CH32V307-CH32V305 vector table for eclipse toolchain. * Description : CH32V307-CH32V305 vector table for eclipse toolchain.
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* SPDX-License-Identifier: Apache-2.0 * SPDX-License-Identifier: Apache-2.0
*******************************************************************************/ *******************************************************************************/
.section .init,"ax",@progbits .section .init,"ax",@progbits
@ -368,7 +368,11 @@ handle_reset:
csrw 0xbc0, t0 csrw 0xbc0, t0
/* Enable nested and hardware stack */ /* Enable nested and hardware stack */
li t0, 0x1f /* li t0, 0x1f */ /* For MRS proprietary GCC compilers */
/* Enable nested interrupt, disable hardware stack */
li t0, 0x1e /* Refer to RISC-V4 PFIC manual */
csrw 0x804, t0 csrw 0x804, t0
/* Enable floating point and interrupt */ /* Enable floating point and interrupt */

1
CMakeLists.txt
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@ -47,6 +47,7 @@ set(TARGET_C_SOURCES
"BSP/Peripheral/src/ch32v30x_wwdg.c" "BSP/Peripheral/src/ch32v30x_wwdg.c"
"src/ch32v30x_it.c" "src/ch32v30x_it.c"
"src/main.c" "src/main.c"
"src/syscalls.c"
"src/system_ch32v30x.c" "src/system_ch32v30x.c"
) )

4
src/ch32v30x_it.c
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@ -9,8 +9,8 @@
*******************************************************************************/ *******************************************************************************/
#include "ch32v30x_it.h" #include "ch32v30x_it.h"
void NMI_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast"))); void NMI_Handler(void) __attribute__((interrupt()));
void HardFault_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast"))); void HardFault_Handler(void) __attribute__((interrupt()));
/********************************************************************* /*********************************************************************
* @fn NMI_Handler * @fn NMI_Handler

11
src/main.c
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@ -1,7 +1,16 @@
// SPDX-License-Identifier: MIT // SPDX-License-Identifier: MIT
#include <stdio.h>
#include <debug.h>
int main(void) { int main(void) {
USART_Printf_Init(115200);
printf("Hello world?\r\n");
for(;;) { for(;;) {
// //
} }
} }

7
src/syscalls.c Normal file
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@ -0,0 +1,7 @@
#include <sys/stat.h>
int _fstat(int file, struct stat *st) {
st->st_mode = S_IFCHR;
return 0;
}