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hw/char: riscv_htif: replace exit calls with proper shutdown

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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>
Message-ID: <20231003071427.188697-5-chigot@adacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Clément Chigot 2023-10-03 09:14:26 +02:00 committed by Alistair Francis
parent 215128e44b
commit 354c96069c
1 changed files with 4 additions and 1 deletions
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5
hw/char/riscv_htif.c
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@ -32,6 +32,7 @@
#include "exec/address-spaces.h"
#include "exec/tswap.h"
#include "sysemu/dma.h"
#include "sysemu/runstate.h"
#define RISCV_DEBUG_HTIF 0
#define HTIF_DEBUG(fmt, ...) \
@ -206,7 +207,9 @@ static void htif_handle_tohost_write(HTIFState *s, uint64_t val_written)
g_free(sig_data);
}
exit(exit_code);
qemu_system_shutdown_request_with_code(
SHUTDOWN_CAUSE_GUEST_SHUTDOWN, exit_code);
return;
} else {
uint64_t syscall[8];
cpu_physical_memory_read(payload, syscall, sizeof(syscall));