diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-02 00:09:25 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-09-02 00:09:25 +0000 |
| commit | 9669d3c570c7a2129c6d6d4e32b856a2d155eb54 (patch) | |
| tree | f078e38f9fa6529b974e3e5d826a6c3352e89522 /hw | |
| parent | 7b45522533544bb29af03d6c6f698ae9e28b07f5 (diff) | |
| download | qemu-9669d3c570c7a2129c6d6d4e32b856a2d155eb54.tar.gz | |
x86: Fix powerdown for non-ACPI case
Trivial fix for a corner case: system_shutdown on isapc machines causes
qemu to segfaults due to accessing the uninitialized pm_state. Issue a
system shutdown instead.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5130 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/acpi.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -72,7 +72,7 @@ typedef struct PIIX4PMState { #define SMBHSTDAT1 0x06 #define SMBBLKDAT 0x07 -PIIX4PMState *pm_state; +static PIIX4PMState *pm_state; static uint32_t get_pmtmr(PIIX4PMState *s) { @@ -526,7 +526,9 @@ i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, #if defined(TARGET_I386) void qemu_system_powerdown(void) { - if(pm_state->pmen & PWRBTN_EN) { + if (!pm_state) { + qemu_system_shutdown_request(); + } else if (pm_state->pmen & PWRBTN_EN) { pm_state->pmsts |= PWRBTN_EN; pm_update_sci(pm_state); } |