On Mon, May 11, 2009 at 01:29:43PM -0400, Beth Kon wrote:
> Signed-off-by: Beth Kon <eak@xxxxxxxxxx>
>
> diff --git a/kvm/bios/rombios32.c b/kvm/bios/rombios32.c
> index cbd5f15..53359b8 100755
> --- a/kvm/bios/rombios32.c
> +++ b/kvm/bios/rombios32.c
> @@ -444,6 +444,9 @@ uint32_t cpuid_features;
> uint32_t cpuid_ext_features;
> unsigned long ram_size;
> uint64_t ram_end;
> +#ifdef BX_QEMU
> +uint8_t irq0_override;
> +#endif
> #ifdef BX_USE_EBDA_TABLES
> unsigned long ebda_cur_addr;
> #endif
> @@ -485,6 +488,7 @@ void wrmsr_smp(uint32_t index, uint64_t val)
> #define QEMU_CFG_ARCH_LOCAL 0x8000
> #define QEMU_CFG_ACPI_TABLES (QEMU_CFG_ARCH_LOCAL + 0)
> #define QEMU_CFG_SMBIOS_ENTRIES (QEMU_CFG_ARCH_LOCAL + 1)
> +#define QEMU_CFG_IRQ0_OVERRIDE (QEMU_CFG_ARCH_LOCAL + 2)
>
> int qemu_cfg_port;
>
> @@ -553,6 +557,18 @@ uint64_t qemu_cfg_get64 (void)
> }
> #endif
>
> +#ifdef BX_QEMU
> +void irq0_override_probe(void)
> +{
> + if(qemu_cfg_port) {
> + qemu_cfg_select(QEMU_CFG_IRQ0_OVERRIDE);
> + qemu_cfg_read(&irq0_override, 1);
> + return;
> + }
> + memset(&irq0_override, 0, 1);
> +}
Why memset and not irq0_override = 0, actually it should zero already.
--
Gleb.
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