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firmware: payload: test: Add SBI shutdown call after test message

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Previously, 'make run' would hang in WFI after printing the test message.
This commit adds an SBI ecall to ensure QEMU exits cleanly after the test
payload runs.

Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Xiang W <wxjstz@126.com>
Link: https://lore.kernel.org/r/20250721010807.460788-1-wxjstz@126.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Xiang W
2025-07-21 09:02:21 +08:00
committed by Anup Patel
parent 5b305e30a5
commit 3876f8cd1e
1 changed files with 9 additions and 3 deletions
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12
firmware/payloads/test_main.c
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@@ -46,6 +46,13 @@ static inline void sbi_ecall_console_puts(const char *str)
sbi_strlen(str), (unsigned long)str, 0, 0, 0, 0);
}
static inline void sbi_ecall_shutdown(void)
{
sbi_ecall(SBI_EXT_SRST, SBI_EXT_SRST_RESET,
SBI_SRST_RESET_TYPE_SHUTDOWN, SBI_SRST_RESET_REASON_NONE,
0, 0, 0, 0);
}
#define wfi() \
do { \
__asm__ __volatile__("wfi" ::: "memory"); \
@@ -54,7 +61,6 @@ static inline void sbi_ecall_console_puts(const char *str)
void test_main(unsigned long a0, unsigned long a1)
{
sbi_ecall_console_puts("\nTest payload running\n");
while (1)
wfi();
sbi_ecall_shutdown();
sbi_ecall_console_puts("sbi_ecall_shutdown failed to execute.\n");
}