SMI enable bit support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2190 c046a42c-6fe2-441c-8c8c-71466251a162
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hw/acpi.c
15
hw/acpi.c
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@ -19,7 +19,6 @@
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#include "vl.h"
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//#define DEBUG
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#define USE_SMM
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/* i82731AB (PIIX4) compatible power management function */
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#define PM_FREQ 3579545
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@ -200,19 +199,9 @@ static void pm_smi_writeb(void *opaque, uint32_t addr, uint32_t val)
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#endif
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if (addr == 0) {
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s->apmc = val;
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#ifdef USE_SMM
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cpu_interrupt(first_cpu, CPU_INTERRUPT_SMI);
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#else
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/* emulation of what the SMM BIOS should do */
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switch(val) {
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case 0xf0: /* ACPI disable */
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s->pmcntrl &= ~SCI_EN;
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break;
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case 0xf1: /* ACPI enable */
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s->pmcntrl |= SCI_EN;
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break;
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if (s->dev.config[0x5b] & (1 << 1)) {
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cpu_interrupt(first_cpu, CPU_INTERRUPT_SMI);
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}
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#endif
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} else {
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s->apms = val;
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}
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