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-rw-r--r--arch_init.c5
-rw-r--r--hw/arm_boot.c17
-rw-r--r--hw/arm_gic.c7
-rw-r--r--hw/arm_gic_common.c6
-rw-r--r--hw/armv7m_nvic.c4
-rw-r--r--hw/ds1338.c81
-rw-r--r--hw/exynos4210.c10
-rw-r--r--hw/exynos4210_mct.c2
-rw-r--r--hw/highbank.c7
-rw-r--r--hw/vfio_pci.c5
-rw-r--r--hw/xilinx_zynq.c9
-rw-r--r--pc-bios/acpi-dsdt.amlbin4540 -> 4438 bytes
-rw-r--r--pc-bios/bios.binbin131072 -> 262144 bytes
-rw-r--r--pc-bios/q35-acpi-dsdt.amlbin0 -> 7458 bytes
m---------roms/seabios0
15 files changed, 112 insertions, 41 deletions
diff --git a/arch_init.c b/arch_init.c
index e6effe809a..83dcc53ff5 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -568,7 +568,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
     int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS;
 
     migration_bitmap = bitmap_new(ram_pages);
-    bitmap_set(migration_bitmap, 1, ram_pages);
+    bitmap_set(migration_bitmap, 0, ram_pages);
     migration_dirty_pages = ram_pages;
 
     bytes_transferred = 0;
@@ -840,7 +840,8 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id)
             memset(host, ch, TARGET_PAGE_SIZE);
 #ifndef _WIN32
             if (ch == 0 &&
-                (!kvm_enabled() || kvm_has_sync_mmu())) {
+                (!kvm_enabled() || kvm_has_sync_mmu()) &&
+                getpagesize() <= TARGET_PAGE_SIZE) {
                 qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
             }
 #endif
diff --git a/hw/arm_boot.c b/hw/arm_boot.c
index 92e2cab476..ec3b8d5d12 100644
--- a/hw/arm_boot.c
+++ b/hw/arm_boot.c
@@ -44,11 +44,17 @@ static uint32_t bootloader[] = {
  * for an interprocessor interrupt and polling a configurable
  * location for the kernel secondary CPU entry point.
  */
+#define DSB_INSN 0xf57ff04f
+#define CP15_DSB_INSN 0xee070f9a /* mcr cp15, 0, r0, c7, c10, 4 */
+
 static uint32_t smpboot[] = {
-  0xe59f201c, /* ldr r2, gic_cpu_if */
-  0xe59f001c, /* ldr r0, startaddr */
+  0xe59f2028, /* ldr r2, gic_cpu_if */
+  0xe59f0028, /* ldr r0, startaddr */
   0xe3a01001, /* mov r1, #1 */
-  0xe5821000, /* str r1, [r2] */
+  0xe5821000, /* str r1, [r2] - set GICC_CTLR.Enable */
+  0xe3a010ff, /* mov r1, #0xff */
+  0xe5821004, /* str r1, [r2, 4] - set GIC_PMR.Priority to 0xff */
+  DSB_INSN,   /* dsb */
   0xe320f003, /* wfi */
   0xe5901000, /* ldr     r1, [r0] */
   0xe1110001, /* tst     r1, r1 */
@@ -65,6 +71,11 @@ static void default_write_secondary(ARMCPU *cpu,
     smpboot[ARRAY_SIZE(smpboot) - 1] = info->smp_bootreg_addr;
     smpboot[ARRAY_SIZE(smpboot) - 2] = info->gic_cpu_if_addr;
     for (n = 0; n < ARRAY_SIZE(smpboot); n++) {
+        /* Replace DSB with the pre-v7 DSB if necessary. */
+        if (!arm_feature(&cpu->env, ARM_FEATURE_V7) &&
+            smpboot[n] == DSB_INSN) {
+            smpboot[n] = CP15_DSB_INSN;
+        }
         smpboot[n] = tswap32(smpboot[n]);
     }
     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
diff --git a/hw/arm_gic.c b/hw/arm_gic.c
index f9e423f152..8d769de4f5 100644
--- a/hw/arm_gic.c
+++ b/hw/arm_gic.c
@@ -73,7 +73,7 @@ void gic_update(GICState *s)
             }
         }
         level = 0;
-        if (best_prio <= s->priority_mask[cpu]) {
+        if (best_prio < s->priority_mask[cpu]) {
             s->current_pending[cpu] = best_irq;
             if (best_prio < s->running_priority[cpu]) {
                 DPRINTF("Raised pending IRQ %d\n", best_irq);
@@ -374,7 +374,8 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
           value = 0xff;
         for (i = 0; i < 8; i++) {
             if (value & (1 << i)) {
-                int mask = (irq < GIC_INTERNAL) ? (1 << cpu) : GIC_TARGET(irq);
+                int mask =
+                    (irq < GIC_INTERNAL) ? (1 << cpu) : GIC_TARGET(irq + i);
                 int cm = (irq < GIC_INTERNAL) ? (1 << cpu) : ALL_CPU_MASK;
 
                 if (!GIC_TEST_ENABLED(irq + i, cm)) {
@@ -417,7 +418,7 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
 
         for (i = 0; i < 8; i++) {
             if (value & (1 << i)) {
-                GIC_SET_PENDING(irq + i, GIC_TARGET(irq));
+                GIC_SET_PENDING(irq + i, GIC_TARGET(irq + i));
             }
         }
     } else if (offset < 0x300) {
diff --git a/hw/arm_gic_common.c b/hw/arm_gic_common.c
index 8369309d21..73ae331807 100644
--- a/hw/arm_gic_common.c
+++ b/hw/arm_gic_common.c
@@ -127,7 +127,11 @@ static void arm_gic_common_reset(DeviceState *dev)
     int i;
     memset(s->irq_state, 0, GIC_MAXIRQ * sizeof(gic_irq_state));
     for (i = 0 ; i < s->num_cpu; i++) {
-        s->priority_mask[i] = 0xf0;
+        if (s->revision == REV_11MPCORE) {
+            s->priority_mask[i] = 0xf0;
+        } else {
+            s->priority_mask[i] = 0;
+        }
         s->current_pending[i] = 1023;
         s->running_irq[i] = 1023;
         s->running_priority[i] = 0x100;
diff --git a/hw/armv7m_nvic.c b/hw/armv7m_nvic.c
index f0a2e7b5d2..4963678bf1 100644
--- a/hw/armv7m_nvic.c
+++ b/hw/armv7m_nvic.c
@@ -455,9 +455,11 @@ static void armv7m_nvic_reset(DeviceState *dev)
     nc->parent_reset(dev);
     /* Common GIC reset resets to disabled; the NVIC doesn't have
      * per-CPU interfaces so mark our non-existent CPU interface
-     * as enabled by default.
+     * as enabled by default, and with a priority mask which allows
+     * all interrupts through.
      */
     s->gic.cpu_enabled[0] = 1;
+    s->gic.priority_mask[0] = 0x100;
     /* The NVIC as a whole is always enabled. */
     s->gic.enabled = 1;
     systick_reset(s);
diff --git a/hw/ds1338.c b/hw/ds1338.c
index b576d56438..1aefa3ba04 100644
--- a/hw/ds1338.c
+++ b/hw/ds1338.c
@@ -17,9 +17,16 @@
  */
 #define NVRAM_SIZE 64
 
+/* Flags definitions */
+#define SECONDS_CH 0x80
+#define HOURS_12   0x40
+#define HOURS_PM   0x20
+#define CTRL_OSF   0x20
+
 typedef struct {
     I2CSlave i2c;
     int64_t offset;
+    uint8_t wday_offset;
     uint8_t nvram[NVRAM_SIZE];
     int32_t ptr;
     bool addr_byte;
@@ -27,12 +34,13 @@ typedef struct {
 
 static const VMStateDescription vmstate_ds1338 = {
     .name = "ds1338",
-    .version_id = 1,
+    .version_id = 2,
     .minimum_version_id = 1,
     .minimum_version_id_old = 1,
     .fields = (VMStateField[]) {
         VMSTATE_I2C_SLAVE(i2c, DS1338State),
         VMSTATE_INT64(offset, DS1338State),
+        VMSTATE_UINT8_V(wday_offset, DS1338State, 2),
         VMSTATE_UINT8_ARRAY(nvram, DS1338State, NVRAM_SIZE),
         VMSTATE_INT32(ptr, DS1338State),
         VMSTATE_BOOL(addr_byte, DS1338State),
@@ -49,17 +57,22 @@ static void capture_current_time(DS1338State *s)
     qemu_get_timedate(&now, s->offset);
     s->nvram[0] = to_bcd(now.tm_sec);
     s->nvram[1] = to_bcd(now.tm_min);
-    if (s->nvram[2] & 0x40) {
-        s->nvram[2] = (to_bcd((now.tm_hour % 12)) + 1) | 0x40;
-        if (now.tm_hour >= 12) {
-            s->nvram[2] |= 0x20;
+    if (s->nvram[2] & HOURS_12) {
+        int tmp = now.tm_hour;
+        if (tmp == 0) {
+            tmp = 24;
+        }
+        if (tmp <= 12) {
+            s->nvram[2] = HOURS_12 | to_bcd(tmp);
+        } else {
+            s->nvram[2] = HOURS_12 | HOURS_PM | to_bcd(tmp - 12);
         }
     } else {
         s->nvram[2] = to_bcd(now.tm_hour);
     }
-    s->nvram[3] = to_bcd(now.tm_wday) + 1;
+    s->nvram[3] = (now.tm_wday + s->wday_offset) % 7 + 1;
     s->nvram[4] = to_bcd(now.tm_mday);
-    s->nvram[5] = to_bcd(now.tm_mon) + 1;
+    s->nvram[5] = to_bcd(now.tm_mon + 1);
     s->nvram[6] = to_bcd(now.tm_year - 100);
 }
 
@@ -114,7 +127,8 @@ static int ds1338_send(I2CSlave *i2c, uint8_t data)
         s->addr_byte = false;
         return 0;
     }
-    if (s->ptr < 8) {
+    if (s->ptr < 7) {
+        /* Time register. */
         struct tm now;
         qemu_get_timedate(&now, s->offset);
         switch(s->ptr) {
@@ -126,19 +140,27 @@ static int ds1338_send(I2CSlave *i2c, uint8_t data)
             now.tm_min = from_bcd(data & 0x7f);
             break;
         case 2:
-            if (data & 0x40) {
-                if (data & 0x20) {
-                    data = from_bcd(data & 0x4f) + 11;
-                } else {
-                    data = from_bcd(data & 0x1f) - 1;
+            if (data & HOURS_12) {
+                int tmp = from_bcd(data & (HOURS_PM - 1));
+                if (data & HOURS_PM) {
+                    tmp += 12;
+                }
+                if (tmp == 24) {
+                    tmp = 0;
                 }
+                now.tm_hour = tmp;
             } else {
-                data = from_bcd(data);
+                now.tm_hour = from_bcd(data & (HOURS_12 - 1));
             }
-            now.tm_hour = data;
             break;
         case 3:
-            now.tm_wday = from_bcd(data & 7) - 1;
+            {
+                /* The day field is supposed to contain a value in
+                   the range 1-7. Otherwise behavior is undefined.
+                 */
+                int user_wday = (data & 7) - 1;
+                s->wday_offset = (user_wday - now.tm_wday + 7) % 7;
+            }
             break;
         case 4:
             now.tm_mday = from_bcd(data & 0x3f);
@@ -149,11 +171,19 @@ static int ds1338_send(I2CSlave *i2c, uint8_t data)
         case 6:
             now.tm_year = from_bcd(data) + 100;
             break;
-        case 7:
-            /* Control register. Currently ignored.  */
-            break;
         }
         s->offset = qemu_timedate_diff(&now);
+    } else if (s->ptr == 7) {
+        /* Control register. */
+
+        /* Ensure bits 2, 3 and 6 will read back as zero. */
+        data &= 0xB3;
+
+        /* Attempting to write the OSF flag to logic 1 leaves the
+           value unchanged. */
+        data = (data & ~CTRL_OSF) | (data & s->nvram[s->ptr] & CTRL_OSF);
+
+        s->nvram[s->ptr] = data;
     } else {
         s->nvram[s->ptr] = data;
     }
@@ -166,6 +196,18 @@ static int ds1338_init(I2CSlave *i2c)
     return 0;
 }
 
+static void ds1338_reset(DeviceState *dev)
+{
+    DS1338State *s = FROM_I2C_SLAVE(DS1338State, I2C_SLAVE_FROM_QDEV(dev));
+
+    /* The clock is running and synchronized with the host */
+    s->offset = 0;
+    s->wday_offset = 0;
+    memset(s->nvram, 0, NVRAM_SIZE);
+    s->ptr = 0;
+    s->addr_byte = false;
+}
+
 static void ds1338_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -175,6 +217,7 @@ static void ds1338_class_init(ObjectClass *klass, void *data)
     k->event = ds1338_event;
     k->recv = ds1338_recv;
     k->send = ds1338_send;
+    dc->reset = ds1338_reset;
     dc->vmsd = &vmstate_ds1338;
 }
 
diff --git a/hw/exynos4210.c b/hw/exynos4210.c
index 00d4db8871..22148cd946 100644
--- a/hw/exynos4210.c
+++ b/hw/exynos4210.c
@@ -80,12 +80,16 @@ void exynos4210_write_secondary(ARMCPU *cpu,
 {
     int n;
     uint32_t smpboot[] = {
-        0xe59f3024, /* ldr r3, External gic_cpu_if */
-        0xe59f2024, /* ldr r2, Internal gic_cpu_if */
-        0xe59f0024, /* ldr r0, startaddr */
+        0xe59f3034, /* ldr r3, External gic_cpu_if */
+        0xe59f2034, /* ldr r2, Internal gic_cpu_if */
+        0xe59f0034, /* ldr r0, startaddr */
         0xe3a01001, /* mov r1, #1 */
         0xe5821000, /* str r1, [r2] */
         0xe5831000, /* str r1, [r3] */
+        0xe3a010ff, /* mov r1, #0xff */
+        0xe5821004, /* str r1, [r2, #4] */
+        0xe5831004, /* str r1, [r3, #4] */
+        0xf57ff04f, /* dsb */
         0xe320f003, /* wfi */
         0xe5901000, /* ldr     r1, [r0] */
         0xe1110001, /* tst     r1, r1 */
diff --git a/hw/exynos4210_mct.c b/hw/exynos4210_mct.c
index e79cd6ac01..37dbda92df 100644
--- a/hw/exynos4210_mct.c
+++ b/hw/exynos4210_mct.c
@@ -568,7 +568,7 @@ static void exynos4210_gfrc_event(void *opaque)
     /* Reload FRC to reach nearest comparator */
     s->g_timer.curr_comp = exynos4210_gcomp_find(s);
     distance = exynos4210_gcomp_get_distance(s, s->g_timer.curr_comp);
-    if (distance > MCT_GT_COUNTER_STEP) {
+    if (distance > MCT_GT_COUNTER_STEP || !distance) {
         distance = MCT_GT_COUNTER_STEP;
     }
     exynos4210_gfrc_set_count(&s->g_timer, distance);
diff --git a/hw/highbank.c b/hw/highbank.c
index e8e5bf0826..8e35127c8a 100644
--- a/hw/highbank.c
+++ b/hw/highbank.c
@@ -44,9 +44,12 @@ static void hb_write_secondary(ARMCPU *cpu, const struct arm_boot_info *info)
         0xe210000f, /* ands r0, r0, #0x0f */
         0xe3a03040, /* mov r3, #0x40 - jump address is 0x40 + 0x10 * core id */
         0xe0830200, /* add r0, r3, r0, lsl #4 */
-        0xe59f2018, /* ldr r2, privbase */
+        0xe59f2024, /* ldr r2, privbase */
         0xe3a01001, /* mov r1, #1 */
-        0xe5821100, /* str r1, [r2, #256] */
+        0xe5821100, /* str r1, [r2, #256] - set GICC_CTLR.Enable */
+        0xe3a010ff, /* mov r1, #0xff */
+        0xe5821104, /* str r1, [r2, #260] - set GICC_PMR.Priority to 0xff */
+        0xf57ff04f, /* dsb */
         0xe320f003, /* wfi */
         0xe5901000, /* ldr     r1, [r0] */
         0xe1110001, /* tst     r1, r1 */
diff --git a/hw/vfio_pci.c b/hw/vfio_pci.c
index 7c27834e06..fbfe670078 100644
--- a/hw/vfio_pci.c
+++ b/hw/vfio_pci.c
@@ -275,7 +275,7 @@ static void vfio_enable_intx_kvm(VFIODevice *vdev)
     int ret, argsz;
     int32_t *pfd;
 
-    if (!kvm_irqchip_in_kernel() ||
+    if (!kvm_irqfds_enabled() ||
         vdev->intx.route.mode != PCI_INTX_ENABLED ||
         !kvm_check_extension(kvm_state, KVM_CAP_IRQFD_RESAMPLE)) {
         return;
@@ -438,7 +438,8 @@ static int vfio_enable_intx(VFIODevice *vdev)
      * Only conditional to avoid generating error messages on platforms
      * where we won't actually use the result anyway.
      */
-    if (kvm_check_extension(kvm_state, KVM_CAP_IRQFD_RESAMPLE)) {
+    if (kvm_irqfds_enabled() &&
+        kvm_check_extension(kvm_state, KVM_CAP_IRQFD_RESAMPLE)) {
         vdev->intx.route = pci_device_route_intx_to_irq(&vdev->pdev,
                                                         vdev->intx.pin);
     }
diff --git a/hw/xilinx_zynq.c b/hw/xilinx_zynq.c
index a4a71c2497..9ca22a4e7d 100644
--- a/hw/xilinx_zynq.c
+++ b/hw/xilinx_zynq.c
@@ -57,6 +57,7 @@ static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq,
     DeviceState *dev;
     SysBusDevice *busdev;
     SSIBus *spi;
+    DeviceState *flash_dev;
     int i, j;
     int num_busses =  is_qspi ? NUM_QSPI_BUSSES : 1;
     int num_ss = is_qspi ? NUM_QSPI_FLASHES : NUM_SPI_FLASHES;
@@ -81,11 +82,11 @@ static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq,
         spi = (SSIBus *)qdev_get_child_bus(dev, bus_name);
 
         for (j = 0; j < num_ss; ++j) {
-            dev = ssi_create_slave_no_init(spi, "m25p80");
-            qdev_prop_set_string(dev, "partname", "n25q128");
-            qdev_init_nofail(dev);
+            flash_dev = ssi_create_slave_no_init(spi, "m25p80");
+            qdev_prop_set_string(flash_dev, "partname", "n25q128");
+            qdev_init_nofail(flash_dev);
 
-            cs_line = qdev_get_gpio_in(dev, 0);
+            cs_line = qdev_get_gpio_in(flash_dev, 0);
             sysbus_connect_irq(busdev, i * num_ss + j + 1, cs_line);
         }
     }
diff --git a/pc-bios/acpi-dsdt.aml b/pc-bios/acpi-dsdt.aml
index bb3dd83a56..18b4dc1aa5 100644
--- a/pc-bios/acpi-dsdt.aml
+++ b/pc-bios/acpi-dsdt.aml
Binary files differdiff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index dc9b57ddc9..3eefff4cf8 100644
--- a/pc-bios/bios.bin
+++ b/pc-bios/bios.bin
Binary files differdiff --git a/pc-bios/q35-acpi-dsdt.aml b/pc-bios/q35-acpi-dsdt.aml
new file mode 100644
index 0000000000..8a50559514
--- /dev/null
+++ b/pc-bios/q35-acpi-dsdt.aml
Binary files differdiff --git a/roms/seabios b/roms/seabios
-Subproject b1c35f2b28cc0c94ebed8176ff61ac0e0b37779
+Subproject e8a76b0f225bba5ba9d63ab227e0a37b3beb105