[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 05/17] acpi.c: split acpi.c into the common part and
From: |
Isaku Yamahata |
Subject: |
[Qemu-devel] [PATCH 05/17] acpi.c: split acpi.c into the common part and the piix4 part. |
Date: |
Thu, 9 Jul 2009 17:13:08 +0900 |
Split acpi.c into the common part and the piix4 specific part.
The common part will be used later.
Signed-off-by: Isaku Yamahata <address@hidden>
---
Makefile.target | 4 +-
hw/acpi.c | 555 -------------------------------------------
hw/{acpi.c => acpi_piix4.c} | 181 --------------
3 files changed, 2 insertions(+), 738 deletions(-)
copy hw/{acpi.c => acpi_piix4.c} (75%)
diff --git a/Makefile.target b/Makefile.target
index 3d09eeb..4f8dd35 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -567,7 +567,7 @@ obj-y += fdc.o mc146818rtc.o serial.o i8259.o i8254.o
pcspk.o pc.o
obj-y += cirrus_vga.o apic.o ioapic.o parallel.o acpi.o piix_pci.o
obj-y += usb-uhci.o vmmouse.o vmport.o vmware_vga.o hpet.o
obj-y += device-hotplug.o pci-hotplug.o smbios.o
-obj-y += pc_smbus.o pc_apm.o
+obj-y += pc_smbus.o pc_apm.o acpi_piix4.o
CPPFLAGS += -DHAS_AUDIO -DHAS_AUDIO_CHOICE
endif
ifeq ($(TARGET_BASE_ARCH), ppc)
@@ -600,7 +600,7 @@ obj-y += mips_timer.o mips_int.o dma.o vga.o serial.o
i8254.o i8259.o rc4030.o
obj-y += g364fb.o jazz_led.o dp8393x.o
obj-y += ide.o gt64xxx.o pckbd.o fdc.o mc146818rtc.o usb-uhci.o acpi.o
ds1225y.o
obj-y += piix_pci.o parallel.o cirrus_vga.o pcspk.o $(sound-obj-y)
-obj-y += pc_smbus.o pc_apm.o
+obj-y += pc_smbus.o pc_apm.o acpi_piix4.o
obj-y += mipsnet.o
obj-y += pflash_cfi01.o
obj-y += vmware_vga.o
diff --git a/hw/acpi.c b/hw/acpi.c
index f55a583..0cc7888 100644
--- a/hw/acpi.c
+++ b/hw/acpi.c
@@ -18,565 +18,10 @@
*/
#include "hw.h"
#include "pc.h"
-#include "pc_apm.h"
-#include "pc_smbus.h"
#include "pci.h"
-#include "qemu-timer.h"
#include "sysemu.h"
-#include "i2c.h"
-#include "smbus.h"
-#include "kvm.h"
#include "acpi.h"
-//#define DEBUG
-
-#define ACPI_DBG_IO_ADDR 0xb044
-
-typedef struct PIIX4PMState {
- PCIDevice dev;
- uint16_t pmsts;
- uint16_t pmen;
- uint16_t pmcntrl;
-
- APMState apm;
-
- QEMUTimer *tmr_timer;
- int64_t tmr_overflow_time;
-
- PCSMBus smb;
-
- qemu_irq irq;
-} PIIX4PMState;
-
-#define ACPI_ENABLE 0xf1
-#define ACPI_DISABLE 0xf0
-
-static PIIX4PMState *pm_state;
-
-static uint32_t get_pmtmr(PIIX4PMState *s)
-{
- uint32_t d;
- d = muldiv64(qemu_get_clock(vm_clock), PM_TIMER_FREQUENCY, ticks_per_sec);
- return d & 0xffffff;
-}
-
-static int get_pmsts(PIIX4PMState *s)
-{
- int64_t d;
- int pmsts;
- pmsts = s->pmsts;
- d = muldiv64(qemu_get_clock(vm_clock), PM_TIMER_FREQUENCY, ticks_per_sec);
- if (d >= s->tmr_overflow_time)
- s->pmsts |= ACPI_BITMASK_TIMER_STATUS;
- return s->pmsts;
-}
-
-static void pm_update_sci(PIIX4PMState *s)
-{
- int sci_level, pmsts;
- int64_t expire_time;
-
- pmsts = get_pmsts(s);
- sci_level = (((pmsts & s->pmen) &
- (ACPI_BITMASK_RT_CLOCK_ENABLE |
- ACPI_BITMASK_POWER_BUTTON_ENABLE |
- ACPI_BITMASK_GLOBAL_LOCK_ENABLE |
- ACPI_BITMASK_TIMER_ENABLE)) != 0);
- qemu_set_irq(s->irq, sci_level);
- /* schedule a timer interruption if needed */
- if ((s->pmen & ACPI_BITMASK_TIMER_ENABLE) &&
- !(pmsts & ACPI_BITMASK_TIMER_STATUS)) {
- expire_time = muldiv64(s->tmr_overflow_time, ticks_per_sec,
- PM_TIMER_FREQUENCY);
- qemu_mod_timer(s->tmr_timer, expire_time);
- } else {
- qemu_del_timer(s->tmr_timer);
- }
-}
-
-static void pm_tmr_timer(void *opaque)
-{
- PIIX4PMState *s = opaque;
- pm_update_sci(s);
-}
-
-static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
-{
- PIIX4PMState *s = opaque;
- addr &= 0x3f;
- switch(addr) {
- case 0x00:
- {
- int64_t d;
- int pmsts;
- pmsts = get_pmsts(s);
- if (pmsts & val & ACPI_BITMASK_TIMER_STATUS) {
- /* if TMRSTS is reset, then compute the new overflow time */
- d = muldiv64(qemu_get_clock(vm_clock), PM_TIMER_FREQUENCY,
- ticks_per_sec);
- s->tmr_overflow_time = (d + 0x800000LL) & ~0x7fffffLL;
- }
- s->pmsts &= ~val;
- pm_update_sci(s);
- }
- break;
- case 0x02:
- s->pmen = val;
- pm_update_sci(s);
- break;
- case 0x04:
- {
- int sus_typ;
- s->pmcntrl = val & ~(ACPI_BITMASK_SLEEP_ENABLE);
- if (val & ACPI_BITMASK_SLEEP_ENABLE) {
- /* change suspend type */
- sus_typ = (val >> 10) & 7;
- switch(sus_typ) {
- case 0: /* soft power off */
- qemu_system_shutdown_request();
- break;
- case 1:
- /* ACPI_BITMASK_WAKE_STATUS should be set on resume.
- Pretend that resume was caused by power button */
- s->pmsts |= (ACPI_BITMASK_WAKE_STATUS |
- ACPI_BITMASK_POWER_BUTTON_STATUS);
- qemu_system_reset_request();
-#if defined(TARGET_I386)
- cmos_set_s3_resume();
-#endif
- default:
- break;
- }
- }
- }
- break;
- default:
- break;
- }
-#ifdef DEBUG
- printf("PM writew port=0x%04x val=0x%04x\n", addr, val);
-#endif
-}
-
-static uint32_t pm_ioport_readw(void *opaque, uint32_t addr)
-{
- PIIX4PMState *s = opaque;
- uint32_t val;
-
- addr &= 0x3f;
- switch(addr) {
- case 0x00:
- val = get_pmsts(s);
- break;
- case 0x02:
- val = s->pmen;
- break;
- case 0x04:
- val = s->pmcntrl;
- break;
- default:
- val = 0;
- break;
- }
-#ifdef DEBUG
- printf("PM readw port=0x%04x val=0x%04x\n", addr, val);
-#endif
- return val;
-}
-
-static void pm_ioport_writel(void *opaque, uint32_t addr, uint32_t val)
-{
- // PIIX4PMState *s = opaque;
- addr &= 0x3f;
-#ifdef DEBUG
- printf("PM writel port=0x%04x val=0x%08x\n", addr, val);
-#endif
-}
-
-static uint32_t pm_ioport_readl(void *opaque, uint32_t addr)
-{
- PIIX4PMState *s = opaque;
- uint32_t val;
-
- addr &= 0x3f;
- switch(addr) {
- case 0x08:
- val = get_pmtmr(s);
- break;
- default:
- val = 0;
- break;
- }
-#ifdef DEBUG
- printf("PM readl port=0x%04x val=0x%08x\n", addr, val);
-#endif
- return val;
-}
-
-static void apm_ctrl_changed(uint32_t val, void *arg)
-{
- PIIX4PMState *s = arg;
-
- /* ACPI specs 3.0, 4.7.2.5 */
- if (val == ACPI_ENABLE) {
- s->pmcntrl |= ACPI_BITMASK_SCI_ENABLE;
- } else if (val == ACPI_DISABLE) {
- s->pmcntrl &= ~ACPI_BITMASK_SCI_ENABLE;
- }
-
- if (s->dev.config[0x5b] & (1 << 1)) {
- cpu_interrupt(first_cpu, CPU_INTERRUPT_SMI);
- }
-}
-
-static void acpi_dbg_writel(void *opaque, uint32_t addr, uint32_t val)
-{
-#if defined(DEBUG)
- printf("ACPI: DBG: 0x%08x\n", val);
-#endif
-}
-
-static void pm_io_space_update(PIIX4PMState *s)
-{
- uint32_t pm_io_base;
-
- if (s->dev.config[0x80] & 1) {
- pm_io_base = le32_to_cpu(*(uint32_t *)(s->dev.config + 0x40));
- pm_io_base &= 0xffc0;
-
- /* XXX: need to improve memory and ioport allocation */
-#if defined(DEBUG)
- printf("PM: mapping to 0x%x\n", pm_io_base);
-#endif
- register_ioport_write(pm_io_base, 64, 2, pm_ioport_writew, s);
- register_ioport_read(pm_io_base, 64, 2, pm_ioport_readw, s);
- register_ioport_write(pm_io_base, 64, 4, pm_ioport_writel, s);
- register_ioport_read(pm_io_base, 64, 4, pm_ioport_readl, s);
- }
-}
-
-static void pm_write_config(PCIDevice *d,
- uint32_t address, uint32_t val, int len)
-{
- pci_default_write_config(d, address, val, len);
- if (address == 0x80)
- pm_io_space_update((PIIX4PMState *)d);
-}
-
-static void pm_save(QEMUFile* f,void *opaque)
-{
- PIIX4PMState *s = opaque;
-
- pci_device_save(&s->dev, f);
-
- qemu_put_be16s(f, &s->pmsts);
- qemu_put_be16s(f, &s->pmen);
- qemu_put_be16s(f, &s->pmcntrl);
- apm_save(f, &s->apm);
- qemu_put_timer(f, s->tmr_timer);
- qemu_put_be64(f, s->tmr_overflow_time);
-}
-
-static int pm_load(QEMUFile* f,void* opaque,int version_id)
-{
- PIIX4PMState *s = opaque;
- int ret;
-
- if (version_id > 1)
- return -EINVAL;
-
- ret = pci_device_load(&s->dev, f);
- if (ret < 0)
- return ret;
-
- qemu_get_be16s(f, &s->pmsts);
- qemu_get_be16s(f, &s->pmen);
- qemu_get_be16s(f, &s->pmcntrl);
- apm_load(f, &s->apm);
- qemu_get_timer(f, s->tmr_timer);
- s->tmr_overflow_time=qemu_get_be64(f);
-
- pm_io_space_update(s);
-
- return 0;
-}
-
-static void piix4_reset(void *opaque)
-{
- PIIX4PMState *s = opaque;
- uint8_t *pci_conf = s->dev.config;
-
- pci_conf[0x58] = 0;
- pci_conf[0x59] = 0;
- pci_conf[0x5a] = 0;
- pci_conf[0x5b] = 0;
-
- if (kvm_enabled()) {
- /* Mark SMM as already inited (until KVM supports SMM). */
- pci_conf[0x5B] = 0x02;
- }
-}
-
-static void piix4_pm_powerdown(void *arg)
-{
-#if defined(TARGET_I386)
- PIIX4PMState *pm_state = (PIIX4PMState*) arg;
-
- if (pm_state->pmen & ACPI_BITMASK_POWER_BUTTON_ENABLE) {
- pm_state->pmsts |= ACPI_BITMASK_POWER_BUTTON_STATUS;
- pm_update_sci(pm_state);
- }
-#endif
-}
-
-i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
- qemu_irq sci_irq)
-{
- PIIX4PMState *s;
- uint8_t *pci_conf;
-
- s = (PIIX4PMState *)pci_register_device(bus,
- "PM", sizeof(PIIX4PMState),
- devfn, NULL, pm_write_config);
- pm_state = s;
- pci_conf = s->dev.config;
- pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_INTEL);
- pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_INTEL_82371AB_3);
- pci_conf[0x06] = 0x80;
- pci_conf[0x07] = 0x02;
- pci_conf[0x08] = 0x03; // revision number
- pci_conf[0x09] = 0x00;
- pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_OTHER);
- pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
- pci_conf[0x3d] = 0x01; // interrupt pin 1
-
- pci_conf[0x40] = 0x01; /* PM io base read only bit */
-
- /* APM */
- apm_init(&s->apm, apm_ctrl_changed, s);
-
- register_ioport_write(ACPI_DBG_IO_ADDR, 4, 4, acpi_dbg_writel, s);
-
- if (kvm_enabled()) {
- /* Mark SMM as already inited to prevent SMM from running. KVM does
not
- * support SMM mode. */
- pci_conf[0x5B] = 0x02;
- }
-
- /* XXX: which specification is used ? The i82731AB has different
- mappings */
- pci_conf[0x5f] = (parallel_hds[0] != NULL ? 0x80 : 0) | 0x10;
- pci_conf[0x63] = 0x60;
- pci_conf[0x67] = (serial_hds[0] != NULL ? 0x08 : 0) |
- (serial_hds[1] != NULL ? 0x90 : 0);
-
- pci_conf[0x90] = smb_io_base | 1;
- pci_conf[0x91] = smb_io_base >> 8;
- pci_conf[0xd2] = 0x09;
- register_ioport_write(smb_io_base, 64, 1, smb_ioport_writeb, &s->smb);
- register_ioport_read(smb_io_base, 64, 1, smb_ioport_readb, &s->smb);
-
- s->tmr_timer = qemu_new_timer(vm_clock, pm_tmr_timer, s);
-
- register_savevm("piix4_pm", 0, 1, pm_save, pm_load, s);
-
- pc_smbus_init(&s->smb);
- s->irq = sci_irq;
- qemu_register_reset(piix4_reset, s);
- qemu_system_powerdown_register(piix4_pm_powerdown, pm_state);
-
- return s->smb.smbus;
-}
-
-#define GPE_BASE 0xafe0
-#define PCI_BASE 0xae00
-#define PCI_EJ_BASE 0xae08
-
-struct gpe_regs {
- uint16_t sts; /* status */
- uint16_t en; /* enabled */
-};
-
-struct pci_status {
- uint32_t up;
- uint32_t down;
-};
-
-static struct gpe_regs gpe;
-static struct pci_status pci0_status;
-
-static uint32_t gpe_read_val(uint16_t val, uint32_t addr)
-{
- if (addr & 1)
- return (val >> 8) & 0xff;
- return val & 0xff;
-}
-
-static uint32_t gpe_readb(void *opaque, uint32_t addr)
-{
- uint32_t val = 0;
- struct gpe_regs *g = opaque;
- switch (addr) {
- case GPE_BASE:
- case GPE_BASE + 1:
- val = gpe_read_val(g->sts, addr);
- break;
- case GPE_BASE + 2:
- case GPE_BASE + 3:
- val = gpe_read_val(g->en, addr);
- break;
- default:
- break;
- }
-
-#if defined(DEBUG)
- printf("gpe read %x == %x\n", addr, val);
-#endif
- return val;
-}
-
-static void gpe_write_val(uint16_t *cur, int addr, uint32_t val)
-{
- if (addr & 1)
- *cur = (*cur & 0xff) | (val << 8);
- else
- *cur = (*cur & 0xff00) | (val & 0xff);
-}
-
-static void gpe_reset_val(uint16_t *cur, int addr, uint32_t val)
-{
- uint16_t x1, x0 = val & 0xff;
- int shift = (addr & 1) ? 8 : 0;
-
- x1 = (*cur >> shift) & 0xff;
-
- x1 = x1 & ~x0;
-
- *cur = (*cur & (0xff << (8 - shift))) | (x1 << shift);
-}
-
-static void gpe_writeb(void *opaque, uint32_t addr, uint32_t val)
-{
- struct gpe_regs *g = opaque;
- switch (addr) {
- case GPE_BASE:
- case GPE_BASE + 1:
- gpe_reset_val(&g->sts, addr, val);
- break;
- case GPE_BASE + 2:
- case GPE_BASE + 3:
- gpe_write_val(&g->en, addr, val);
- break;
- default:
- break;
- }
-
-#if defined(DEBUG)
- printf("gpe write %x <== %d\n", addr, val);
-#endif
-}
-
-static uint32_t pcihotplug_read(void *opaque, uint32_t addr)
-{
- uint32_t val = 0;
- struct pci_status *g = opaque;
- switch (addr) {
- case PCI_BASE:
- val = g->up;
- break;
- case PCI_BASE + 4:
- val = g->down;
- break;
- default:
- break;
- }
-
-#if defined(DEBUG)
- printf("pcihotplug read %x == %x\n", addr, val);
-#endif
- return val;
-}
-
-static void pcihotplug_write(void *opaque, uint32_t addr, uint32_t val)
-{
- struct pci_status *g = opaque;
- switch (addr) {
- case PCI_BASE:
- g->up = val;
- break;
- case PCI_BASE + 4:
- g->down = val;
- break;
- }
-
-#if defined(DEBUG)
- printf("pcihotplug write %x <== %d\n", addr, val);
-#endif
-}
-
-static uint32_t pciej_read(void *opaque, uint32_t addr)
-{
-#if defined(DEBUG)
- printf("pciej read %x\n", addr);
-#endif
- return 0;
-}
-
-static void pciej_write(void *opaque, uint32_t addr, uint32_t val)
-{
-#if defined (TARGET_I386)
- int slot = ffs(val) - 1;
-
- pci_device_hot_remove_success(0, slot);
-#endif
-
-#if defined(DEBUG)
- printf("pciej write %x <== %d\n", addr, val);
-#endif
-}
-
-static void piix4_device_hot_add(int bus, int slot, int state);
-
-void piix4_acpi_system_hot_add_init(void)
-{
- register_ioport_write(GPE_BASE, 4, 1, gpe_writeb, &gpe);
- register_ioport_read(GPE_BASE, 4, 1, gpe_readb, &gpe);
-
- register_ioport_write(PCI_BASE, 8, 4, pcihotplug_write, &pci0_status);
- register_ioport_read(PCI_BASE, 8, 4, pcihotplug_read, &pci0_status);
-
- register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, NULL);
- register_ioport_read(PCI_EJ_BASE, 4, 4, pciej_read, NULL);
-
- qemu_system_device_hot_add_register(piix4_device_hot_add);
-}
-
-static void enable_device(struct pci_status *p, struct gpe_regs *g, int slot)
-{
- g->sts |= 2;
- p->up |= (1 << slot);
-}
-
-static void disable_device(struct pci_status *p, struct gpe_regs *g, int slot)
-{
- g->sts |= 2;
- p->down |= (1 << slot);
-}
-
-static void piix4_device_hot_add(int bus, int slot, int state)
-{
- pci0_status.up = 0;
- pci0_status.down = 0;
- if (state)
- enable_device(&pci0_status, &gpe, slot);
- else
- disable_device(&pci0_status, &gpe, slot);
- if (gpe.en & 2) {
- qemu_set_irq(pm_state->irq, 1);
- qemu_set_irq(pm_state->irq, 0);
- }
-}
-
static qemu_system_device_hot_add_t device_hot_add_callback;
void qemu_system_device_hot_add_register(qemu_system_device_hot_add_t callback)
{
diff --git a/hw/acpi.c b/hw/acpi_piix4.c
similarity index 75%
copy from hw/acpi.c
copy to hw/acpi_piix4.c
index f55a583..71a7080 100644
--- a/hw/acpi.c
+++ b/hw/acpi_piix4.c
@@ -576,184 +576,3 @@ static void piix4_device_hot_add(int bus, int slot, int
state)
qemu_set_irq(pm_state->irq, 0);
}
}
-
-static qemu_system_device_hot_add_t device_hot_add_callback;
-void qemu_system_device_hot_add_register(qemu_system_device_hot_add_t callback)
-{
- device_hot_add_callback = callback;
-}
-
-void qemu_system_device_hot_add(int pcibus, int slot, int state)
-{
- if (device_hot_add_callback)
- device_hot_add_callback(pcibus, slot, state);
-}
-
-struct acpi_table_header
-{
- char signature [4]; /* ACPI signature (4 ASCII characters) */
- uint32_t length; /* Length of table, in bytes, including header */
- uint8_t revision; /* ACPI Specification minor version # */
- uint8_t checksum; /* To make sum of entire table == 0 */
- char oem_id [6]; /* OEM identification */
- char oem_table_id [8]; /* OEM table identification */
- uint32_t oem_revision; /* OEM revision number */
- char asl_compiler_id [4]; /* ASL compiler vendor ID */
- uint32_t asl_compiler_revision; /* ASL compiler revision number */
-} __attribute__((packed));
-
-char *acpi_tables;
-size_t acpi_tables_len;
-
-static int acpi_checksum(const uint8_t *data, int len)
-{
- int sum, i;
- sum = 0;
- for(i = 0; i < len; i++)
- sum += data[i];
- return (-sum) & 0xff;
-}
-
-int acpi_table_add(const char *t)
-{
- static const char *dfl_id = "QEMUQEMU";
- char buf[1024], *p, *f;
- struct acpi_table_header acpi_hdr;
- unsigned long val;
- size_t off;
-
- memset(&acpi_hdr, 0, sizeof(acpi_hdr));
-
- if (get_param_value(buf, sizeof(buf), "sig", t)) {
- strncpy(acpi_hdr.signature, buf, 4);
- } else {
- strncpy(acpi_hdr.signature, dfl_id, 4);
- }
- if (get_param_value(buf, sizeof(buf), "rev", t)) {
- val = strtoul(buf, &p, 10);
- if (val > 255 || *p != '\0')
- goto out;
- } else {
- val = 1;
- }
- acpi_hdr.revision = (int8_t)val;
-
- if (get_param_value(buf, sizeof(buf), "oem_id", t)) {
- strncpy(acpi_hdr.oem_id, buf, 6);
- } else {
- strncpy(acpi_hdr.oem_id, dfl_id, 6);
- }
-
- if (get_param_value(buf, sizeof(buf), "oem_table_id", t)) {
- strncpy(acpi_hdr.oem_table_id, buf, 8);
- } else {
- strncpy(acpi_hdr.oem_table_id, dfl_id, 8);
- }
-
- if (get_param_value(buf, sizeof(buf), "oem_rev", t)) {
- val = strtol(buf, &p, 10);
- if(*p != '\0')
- goto out;
- } else {
- val = 1;
- }
- acpi_hdr.oem_revision = cpu_to_le32(val);
-
- if (get_param_value(buf, sizeof(buf), "asl_compiler_id", t)) {
- strncpy(acpi_hdr.asl_compiler_id, buf, 4);
- } else {
- strncpy(acpi_hdr.asl_compiler_id, dfl_id, 4);
- }
-
- if (get_param_value(buf, sizeof(buf), "asl_compiler_rev", t)) {
- val = strtol(buf, &p, 10);
- if(*p != '\0')
- goto out;
- } else {
- val = 1;
- }
- acpi_hdr.asl_compiler_revision = cpu_to_le32(val);
-
- if (!get_param_value(buf, sizeof(buf), "data", t)) {
- buf[0] = '\0';
- }
-
- acpi_hdr.length = sizeof(acpi_hdr);
-
- f = buf;
- while (buf[0]) {
- struct stat s;
- char *n = strchr(f, ':');
- if (n)
- *n = '\0';
- if(stat(f, &s) < 0) {
- fprintf(stderr, "Can't stat file '%s': %s\n", f, strerror(errno));
- goto out;
- }
- acpi_hdr.length += s.st_size;
- if (!n)
- break;
- *n = ':';
- f = n + 1;
- }
-
- if (!acpi_tables) {
- acpi_tables_len = sizeof(uint16_t);
- acpi_tables = qemu_mallocz(acpi_tables_len);
- }
- p = acpi_tables + acpi_tables_len;
- acpi_tables_len += sizeof(uint16_t) + acpi_hdr.length;
- acpi_tables = qemu_realloc(acpi_tables, acpi_tables_len);
-
- acpi_hdr.length = cpu_to_le32(acpi_hdr.length);
- *(uint16_t*)p = acpi_hdr.length;
- p += sizeof(uint16_t);
- memcpy(p, &acpi_hdr, sizeof(acpi_hdr));
- off = sizeof(acpi_hdr);
-
- f = buf;
- while (buf[0]) {
- struct stat s;
- int fd;
- char *n = strchr(f, ':');
- if (n)
- *n = '\0';
- fd = open(f, O_RDONLY);
-
- if(fd < 0)
- goto out;
- if(fstat(fd, &s) < 0) {
- close(fd);
- goto out;
- }
-
- do {
- int r;
- r = read(fd, p + off, s.st_size);
- if (r > 0) {
- off += r;
- s.st_size -= r;
- } else if ((r < 0 && errno != EINTR) || r == 0) {
- close(fd);
- goto out;
- }
- } while(s.st_size);
-
- close(fd);
- if (!n)
- break;
- f = n + 1;
- }
-
- ((struct acpi_table_header*)p)->checksum = acpi_checksum((uint8_t*)p, off);
- /* increase number of tables */
- (*(uint16_t*)acpi_tables) =
- cpu_to_le32(le32_to_cpu(*(uint16_t*)acpi_tables) + 1);
- return 0;
-out:
- if (acpi_tables) {
- free(acpi_tables);
- acpi_tables = NULL;
- }
- return -1;
-}
--
1.6.0.2
- [Qemu-devel] [PATCH 03/17] acpi.c: make qemu_system_powerdown() piix independent., (continued)
- [Qemu-devel] [PATCH 03/17] acpi.c: make qemu_system_powerdown() piix independent., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 02/17] acpi.c: split out apm register emulation., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 04/17] acpi: add acpi constants from linux header files and use them., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 01/17] acpi.c: split out pc smbus routines from acpi.c into pc_smbus.c, Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 10/17] pc.c: introduce a function to allocate cpu irq., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 12/17] pc.c: split out cpu initialization from pc_init1() into pc_cpus_init()., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 15/17] pc.c: split out basic device init from pc_init1() into pc_basic_device_init(), Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 14/17] pc.c: split out vga initialization from pc_init1() into pc_vga_init()., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 08/17] pc.c: remove a global variable, floppy_controller., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 17/17] pc.c: split out piix specific part from pc.c into pc_piix.c, Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 05/17] acpi.c: split acpi.c into the common part and the piix4 part.,
Isaku Yamahata <=
- [Qemu-devel] [PATCH 09/17] pc.c: remove a global variable, RTCState *rtc_state., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 11/17] pc.c: make pc_init1() not refer ferr_irq directly., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 13/17] pc.c: split out memory allocation from pc_init1() into pc_memory_init(), Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 06/17] pc.c: Make smm enable/disable function i440fx independent., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 07/17] pc.c: remove unnecessary global variables, pit and ioapic., Isaku Yamahata, 2009/07/09
- [Qemu-devel] [PATCH 16/17] pc.c: split out pci device init from pc_init1() into pc_pci_device_init(), Isaku Yamahata, 2009/07/09