Commit 47d02f6d authored by Fabrice Bellard's avatar Fabrice Bellard
Browse files

SMI enable bit support 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2190 c046a42c-6fe2-441c-8c8c-71466251a162
parent 93eac243

hw/acpi.c

+2 −13
Original line number Diff line number Diff line
@@ -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

        if (s->dev.config[0x5b] & (1 << 1)) {

            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;

        }

#endif

    } else {

        s->apms = val;

    }