diff options
Diffstat (limited to 'hw/acpi.c')
| -rw-r--r-- | hw/acpi.c | 21 |
1 files changed, 19 insertions, 2 deletions
@@ -49,6 +49,7 @@ typedef struct PIIX4PMState { uint8_t smb_data1; uint8_t smb_data[32]; uint8_t smb_index; + qemu_irq irq; } PIIX4PMState; #define RTC_EN (1 << 10) @@ -71,6 +72,8 @@ typedef struct PIIX4PMState { #define SMBHSTDAT1 0x06 #define SMBBLKDAT 0x07 +PIIX4PMState *pm_state; + static uint32_t get_pmtmr(PIIX4PMState *s) { uint32_t d; @@ -97,11 +100,12 @@ static void pm_update_sci(PIIX4PMState *s) pmsts = get_pmsts(s); sci_level = (((pmsts & s->pmen) & (RTC_EN | PWRBTN_EN | GBL_EN | TMROF_EN)) != 0); - qemu_set_irq(s->dev.irq[0], sci_level); + qemu_set_irq(s->irq, sci_level); /* schedule a timer interruption if needed */ if ((s->pmen & TMROF_EN) && !(pmsts & TMROF_EN)) { expire_time = muldiv64(s->tmr_overflow_time, ticks_per_sec, PM_FREQ); qemu_mod_timer(s->tmr_timer, expire_time); + s->tmr_overflow_time += 0x800000; } else { qemu_del_timer(s->tmr_timer); } @@ -467,7 +471,8 @@ static int pm_load(QEMUFile* f,void* opaque,int version_id) return 0; } -i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base) +i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, + qemu_irq sci_irq) { PIIX4PMState *s; uint8_t *pci_conf; @@ -475,6 +480,7 @@ i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base) s = (PIIX4PMState *)pci_register_device(bus, "PM", sizeof(PIIX4PMState), devfn, NULL, pm_write_config); + pm_state = s; pci_conf = s->dev.config; pci_conf[0x00] = 0x86; pci_conf[0x01] = 0x80; @@ -514,5 +520,16 @@ i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base) register_savevm("piix4_pm", 0, 1, pm_save, pm_load, s); s->smbus = i2c_init_bus(); + s->irq = sci_irq; return s->smbus; } + +#if defined(TARGET_I386) +void qemu_system_powerdown(void) +{ + if(pm_state->pmen & PWRBTN_EN) { + pm_state->pmsts |= PWRBTN_EN; + pm_update_sci(pm_state); + } +} +#endif |