Re: [PATCH v3 3/5] hw/misc/sifive_test.c: replace exit calls with proper shutdown

[Alistair Francis]

On Thu, Sep 7, 2023 at 9:26 PM Clément Chigot <chigot@adacore.com> wrote:
>
> This replaces the exit calls by shutdown requests, ensuring a proper
> cleanup of Qemu. Otherwise, some connections like gdb could be broken
> before its final packet ("Wxx") is being sent. This part, being done
> inside qemu_cleanup function, can be reached only when the main loop
> exits after a shutdown request.
>
> Signed-off-by: Clément Chigot <chigot@adacore.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  hw/misc/sifive_test.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/hw/misc/sifive_test.c b/hw/misc/sifive_test.c
> index 56df45bfe5..ad688079c4 100644
> --- a/hw/misc/sifive_test.c
> +++ b/hw/misc/sifive_test.c
> @@ -25,6 +25,7 @@
>  #include "qemu/module.h"
>  #include "sysemu/runstate.h"
>  #include "hw/misc/sifive_test.h"
> +#include "sysemu/sysemu.h"
>
>  static uint64_t sifive_test_read(void *opaque, hwaddr addr, unsigned int 
> size)
>  {
> @@ -39,9 +40,13 @@ static void sifive_test_write(void *opaque, hwaddr addr,
>          int code = (val64 >> 16) & 0xffff;
>          switch (status) {
>          case FINISHER_FAIL:
> -            exit(code);
> +            qemu_system_shutdown_request_with_code(
> +                SHUTDOWN_CAUSE_GUEST_PANIC, code);
> +            return;
>          case FINISHER_PASS:
> -            exit(0);
> +            qemu_system_shutdown_request_with_code(
> +                SHUTDOWN_CAUSE_GUEST_SHUTDOWN, code);
> +            return;
>          case FINISHER_RESET:
>              qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
>              return;
> --
> 2.25.1
>