haraldwolff/qemu-patch-raspberry4
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SMI enable bit support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2190 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-10-02 18:25:40 +00:00
parent 93eac243d5
commit 47d02f6d5c
1 changed files with 2 additions and 13 deletions
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15
hw/acpi.c
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@ -19,7 +19,6 @@
#include "vl.h"
//#define DEBUG
#define USE_SMM
/* i82731AB (PIIX4) compatible power management function */
#define PM_FREQ 3579545
@ -200,19 +199,9 @@ static void pm_smi_writeb(void *opaque, uint32_t addr, uint32_t val)
#endif
if (addr == 0) {
s->apmc = val;
#ifdef USE_SMM
cpu_interrupt(first_cpu, CPU_INTERRUPT_SMI);
#else
/* emulation of what the SMM BIOS should do */
switch(val) {
case 0xf0: /* ACPI disable */
s->pmcntrl &= ~SCI_EN;
break;
case 0xf1: /* ACPI enable */
s->pmcntrl |= SCI_EN;
break;
if (s->dev.config[0x5b] & (1 << 1)) {
cpu_interrupt(first_cpu, CPU_INTERRUPT_SMI);
}
#endif
} else {
s->apms = val;
}