* Contributions after 2012-01-13 are licensed under the terms of the
* GNU GPL, version 2 or (at your option) any later version.
*/
+#include "qemu/osdep.h"
#include "sysemu/sysemu.h"
#include "hw/hw.h"
#include "hw/i386/pc.h"
#include "hw/acpi/acpi.h"
-#include "monitor/monitor.h"
+#include "hw/nvram/fw_cfg.h"
#include "qemu/config-file.h"
#include "qapi/opts-visitor.h"
-#include "qapi/dealloc-visitor.h"
#include "qapi-visit.h"
+#include "qapi-event.h"
struct acpi_table_header {
uint16_t _length; /* our length, not actual part of the hdr */
qemu_add_opts(&qemu_acpi_opts);
}
-machine_init(acpi_register_config);
+opts_init(acpi_register_config);
static int acpi_checksum(const uint8_t *data, int len)
{
}
/* increase number of tables */
- cpu_to_le16wu((uint16_t *)acpi_tables,
- le16_to_cpupu((uint16_t *)acpi_tables) + 1u);
+ stw_le_p(acpi_tables, lduw_le_p(acpi_tables) + 1u);
/* Update the header fields. The strings need not be NUL-terminated. */
changed_fields = 0;
char unsigned *blob = NULL;
{
- OptsVisitor *ov;
+ Visitor *v;
- ov = opts_visitor_new(opts);
- visit_type_AcpiTableOptions(opts_get_visitor(ov), &hdrs, NULL, &err);
- opts_visitor_cleanup(ov);
+ v = opts_visitor_new(opts);
+ visit_type_AcpiTableOptions(v, NULL, &hdrs, &err);
+ visit_free(v);
}
if (err) {
out:
g_free(blob);
g_strfreev(pathnames);
+ qapi_free_AcpiTableOptions(hdrs);
- if (hdrs != NULL) {
- QapiDeallocVisitor *dv;
+ error_propagate(errp, err);
+}
+
+static bool acpi_table_builtin = false;
+
+void acpi_table_add_builtin(const QemuOpts *opts, Error **errp)
+{
+ acpi_table_builtin = true;
+ acpi_table_add(opts, errp);
+}
+
+unsigned acpi_table_len(void *current)
+{
+ struct acpi_table_header *hdr = current - sizeof(hdr->_length);
+ return hdr->_length;
+}
+
+static
+void *acpi_table_hdr(void *h)
+{
+ struct acpi_table_header *hdr = h;
+ return &hdr->sig;
+}
- dv = qapi_dealloc_visitor_new();
- visit_type_AcpiTableOptions(qapi_dealloc_get_visitor(dv), &hdrs, NULL,
- NULL);
- qapi_dealloc_visitor_cleanup(dv);
+uint8_t *acpi_table_first(void)
+{
+ if (acpi_table_builtin || !acpi_tables) {
+ return NULL;
}
+ return acpi_table_hdr(acpi_tables + ACPI_TABLE_PFX_SIZE);
+}
- error_propagate(errp, err);
+uint8_t *acpi_table_next(uint8_t *current)
+{
+ uint8_t *next = current + acpi_table_len(current);
+
+ if (next - acpi_tables >= acpi_tables_len) {
+ return NULL;
+ } else {
+ return acpi_table_hdr(next);
+ }
+}
+
+int acpi_get_slic_oem(AcpiSlicOem *oem)
+{
+ uint8_t *u;
+
+ for (u = acpi_table_first(); u; u = acpi_table_next(u)) {
+ struct acpi_table_header *hdr = (void *)(u - sizeof(hdr->_length));
+
+ if (memcmp(hdr->sig, "SLIC", 4) == 0) {
+ oem->id = hdr->oem_id;
+ oem->table_id = hdr->oem_table_id;
+ return 0;
+ }
+ }
+ return -1;
}
static void acpi_notify_wakeup(Notifier *notifier, void *data)
/* ACPI PM1a EVT */
uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar)
{
- int64_t d = acpi_pm_tmr_get_clock();
- if (d >= ar->tmr.overflow_time) {
+ /* Compare ns-clock, not PM timer ticks, because
+ acpi_pm_tmr_update function uses ns for setting the timer. */
+ int64_t d = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ if (d >= muldiv64(ar->tmr.overflow_time,
+ NANOSECONDS_PER_SECOND, PM_TIMER_FREQUENCY)) {
ar->pm1.evt.sts |= ACPI_BITMASK_TIMER_STATUS;
}
return ar->pm1.evt.sts;
/* schedule a timer interruption if needed */
if (enable) {
- expire_time = muldiv64(ar->tmr.overflow_time, get_ticks_per_sec(),
+ expire_time = muldiv64(ar->tmr.overflow_time, NANOSECONDS_PER_SECOND,
PM_TIMER_FREQUENCY);
timer_mod(ar->tmr.timer, expire_time);
} else {
}
}
+static inline int64_t acpi_pm_tmr_get_clock(void)
+{
+ return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), PM_TIMER_FREQUENCY,
+ NANOSECONDS_PER_SECOND);
+}
+
void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar)
{
int64_t d = acpi_pm_tmr_get_clock();
break;
default:
if (sus_typ == ar->pm1.cnt.s4_val) { /* S4 request */
- monitor_protocol_event(QEVENT_SUSPEND_DISK, NULL);
+ qapi_event_send_suspend_disk(&error_abort);
qemu_system_shutdown_request();
}
break;
.endianness = DEVICE_LITTLE_ENDIAN,
};
-void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, uint8_t s4_val)
+void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent,
+ bool disable_s3, bool disable_s4, uint8_t s4_val)
{
+ FWCfgState *fw_cfg;
+
ar->pm1.cnt.s4_val = s4_val;
ar->wakeup.notify = acpi_notify_wakeup;
qemu_register_wakeup_notifier(&ar->wakeup);
memory_region_init_io(&ar->pm1.cnt.io, memory_region_owner(parent),
&acpi_pm_cnt_ops, ar, "acpi-cnt", 2);
memory_region_add_subregion(parent, 4, &ar->pm1.cnt.io);
+
+ fw_cfg = fw_cfg_find();
+ if (fw_cfg) {
+ uint8_t suspend[6] = {128, 0, 0, 129, 128, 128};
+ suspend[3] = 1 | ((!disable_s3) << 7);
+ suspend[4] = s4_val | ((!disable_s4) << 7);
+
+ fw_cfg_add_file(fw_cfg, "etc/system-states", g_memdup(suspend, 6), 6);
+ }
}
void acpi_pm1_cnt_reset(ACPIREGS *ar)
void acpi_gpe_init(ACPIREGS *ar, uint8_t len)
{
ar->gpe.len = len;
- ar->gpe.sts = g_malloc0(len / 2);
- ar->gpe.en = g_malloc0(len / 2);
+ /* Only first len / 2 bytes are ever used,
+ * but the caller in ich9.c migrates full len bytes.
+ * TODO: fix ich9.c and drop the extra allocation.
+ */
+ ar->gpe.sts = g_malloc0(len);
+ ar->gpe.en = g_malloc0(len);
}
void acpi_gpe_reset(ACPIREGS *ar)
return val;
}
+
+void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
+ AcpiEventStatusBits status)
+{
+ ar->gpe.sts[0] |= status;
+ acpi_update_sci(ar, irq);
+}
+
+void acpi_update_sci(ACPIREGS *regs, qemu_irq irq)
+{
+ int sci_level, pm1a_sts;
+
+ pm1a_sts = acpi_pm1_evt_get_sts(regs);
+
+ sci_level = ((pm1a_sts &
+ regs->pm1.evt.en & ACPI_BITMASK_PM1_COMMON_ENABLED) != 0) ||
+ ((regs->gpe.sts[0] & regs->gpe.en[0]) != 0);
+
+ qemu_set_irq(irq, sci_level);
+
+ /* schedule a timer interruption if needed */
+ acpi_pm_tmr_update(regs,
+ (regs->pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) &&
+ !(pm1a_sts & ACPI_BITMASK_TIMER_STATUS));
+}
projects / qemu.git / blobdiff