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-rw-r--r--include/hw/timer/hpet.h74
-rw-r--r--include/hw/timer/i8254.h68
-rw-r--r--include/hw/timer/i8254_internal.h85
-rw-r--r--include/hw/timer/m48t59.h34
-rw-r--r--include/hw/timer/mc146818rtc.h11
-rw-r--r--include/hw/timer/mc146818rtc_regs.h67
6 files changed, 339 insertions, 0 deletions
diff --git a/include/hw/timer/hpet.h b/include/hw/timer/hpet.h
new file mode 100644
index 0000000000..757f79fdd2
--- /dev/null
+++ b/include/hw/timer/hpet.h
@@ -0,0 +1,74 @@
+/*
+ * QEMU Emulated HPET support
+ *
+ * Copyright IBM, Corp. 2008
+ *
+ * Authors:
+ * Beth Kon <bkon@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2. See
+ * the COPYING file in the top-level directory.
+ *
+ */
+#ifndef QEMU_HPET_EMUL_H
+#define QEMU_HPET_EMUL_H
+
+#define HPET_BASE 0xfed00000
+#define HPET_CLK_PERIOD 10000000ULL /* 10000000 femtoseconds == 10ns*/
+
+#define FS_PER_NS 1000000
+#define HPET_MIN_TIMERS 3
+#define HPET_MAX_TIMERS 32
+
+#define HPET_NUM_IRQ_ROUTES 32
+
+#define HPET_LEGACY_PIT_INT 0
+#define HPET_LEGACY_RTC_INT 1
+
+#define HPET_CFG_ENABLE 0x001
+#define HPET_CFG_LEGACY 0x002
+
+#define HPET_ID 0x000
+#define HPET_PERIOD 0x004
+#define HPET_CFG 0x010
+#define HPET_STATUS 0x020
+#define HPET_COUNTER 0x0f0
+#define HPET_TN_CFG 0x000
+#define HPET_TN_CMP 0x008
+#define HPET_TN_ROUTE 0x010
+#define HPET_CFG_WRITE_MASK 0x3
+
+#define HPET_ID_NUM_TIM_SHIFT 8
+#define HPET_ID_NUM_TIM_MASK 0x1f00
+
+#define HPET_TN_TYPE_LEVEL 0x002
+#define HPET_TN_ENABLE 0x004
+#define HPET_TN_PERIODIC 0x008
+#define HPET_TN_PERIODIC_CAP 0x010
+#define HPET_TN_SIZE_CAP 0x020
+#define HPET_TN_SETVAL 0x040
+#define HPET_TN_32BIT 0x100
+#define HPET_TN_INT_ROUTE_MASK 0x3e00
+#define HPET_TN_FSB_ENABLE 0x4000
+#define HPET_TN_FSB_CAP 0x8000
+#define HPET_TN_CFG_WRITE_MASK 0x7f4e
+#define HPET_TN_INT_ROUTE_SHIFT 9
+#define HPET_TN_INT_ROUTE_CAP_SHIFT 32
+#define HPET_TN_CFG_BITS_READONLY_OR_RESERVED 0xffff80b1U
+
+struct hpet_fw_entry
+{
+ uint32_t event_timer_block_id;
+ uint64_t address;
+ uint16_t min_tick;
+ uint8_t page_prot;
+} QEMU_PACKED;
+
+struct hpet_fw_config
+{
+ uint8_t count;
+ struct hpet_fw_entry hpet[8];
+} QEMU_PACKED;
+
+extern struct hpet_fw_config hpet_cfg;
+#endif
diff --git a/include/hw/timer/i8254.h b/include/hw/timer/i8254.h
new file mode 100644
index 0000000000..75bb530ad9
--- /dev/null
+++ b/include/hw/timer/i8254.h
@@ -0,0 +1,68 @@
+/*
+ * QEMU 8253/8254 interval timer emulation
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef HW_I8254_H
+#define HW_I8254_H
+
+#include "hw/hw.h"
+#include "hw/isa/isa.h"
+
+#define PIT_FREQ 1193182
+
+typedef struct PITChannelInfo {
+ int gate;
+ int mode;
+ int initial_count;
+ int out;
+} PITChannelInfo;
+
+static inline ISADevice *pit_init(ISABus *bus, int base, int isa_irq,
+ qemu_irq alt_irq)
+{
+ ISADevice *dev;
+
+ dev = isa_create(bus, "isa-pit");
+ qdev_prop_set_uint32(&dev->qdev, "iobase", base);
+ qdev_init_nofail(&dev->qdev);
+ qdev_connect_gpio_out(&dev->qdev, 0,
+ isa_irq >= 0 ? isa_get_irq(dev, isa_irq) : alt_irq);
+
+ return dev;
+}
+
+static inline ISADevice *kvm_pit_init(ISABus *bus, int base)
+{
+ ISADevice *dev;
+
+ dev = isa_create(bus, "kvm-pit");
+ qdev_prop_set_uint32(&dev->qdev, "iobase", base);
+ qdev_init_nofail(&dev->qdev);
+
+ return dev;
+}
+
+void pit_set_gate(ISADevice *dev, int channel, int val);
+void pit_get_channel_info(ISADevice *dev, int channel, PITChannelInfo *info);
+
+#endif /* !HW_I8254_H */
diff --git a/include/hw/timer/i8254_internal.h b/include/hw/timer/i8254_internal.h
new file mode 100644
index 0000000000..e0cff0cf5a
--- /dev/null
+++ b/include/hw/timer/i8254_internal.h
@@ -0,0 +1,85 @@
+/*
+ * QEMU 8253/8254 - internal interfaces
+ *
+ * Copyright (c) 2011 Jan Kiszka, Siemens AG
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef QEMU_I8254_INTERNAL_H
+#define QEMU_I8254_INTERNAL_H
+
+#include "hw/hw.h"
+#include "hw/i386/pc.h"
+#include "hw/isa/isa.h"
+
+typedef struct PITChannelState {
+ int count; /* can be 65536 */
+ uint16_t latched_count;
+ uint8_t count_latched;
+ uint8_t status_latched;
+ uint8_t status;
+ uint8_t read_state;
+ uint8_t write_state;
+ uint8_t write_latch;
+ uint8_t rw_mode;
+ uint8_t mode;
+ uint8_t bcd; /* not supported */
+ uint8_t gate; /* timer start */
+ int64_t count_load_time;
+ /* irq handling */
+ int64_t next_transition_time;
+ QEMUTimer *irq_timer;
+ qemu_irq irq;
+ uint32_t irq_disabled;
+} PITChannelState;
+
+typedef struct PITCommonState {
+ ISADevice dev;
+ MemoryRegion ioports;
+ uint32_t iobase;
+ PITChannelState channels[3];
+} PITCommonState;
+
+#define TYPE_PIT_COMMON "pit-common"
+#define PIT_COMMON(obj) \
+ OBJECT_CHECK(PITCommonState, (obj), TYPE_PIT_COMMON)
+#define PIT_COMMON_CLASS(klass) \
+ OBJECT_CLASS_CHECK(PITCommonClass, (klass), TYPE_PIT_COMMON)
+#define PIT_COMMON_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(PITCommonClass, (obj), TYPE_PIT_COMMON)
+
+typedef struct PITCommonClass {
+ ISADeviceClass parent_class;
+
+ int (*init)(PITCommonState *s);
+ void (*set_channel_gate)(PITCommonState *s, PITChannelState *sc, int val);
+ void (*get_channel_info)(PITCommonState *s, PITChannelState *sc,
+ PITChannelInfo *info);
+ void (*pre_save)(PITCommonState *s);
+ void (*post_load)(PITCommonState *s);
+} PITCommonClass;
+
+int pit_get_out(PITChannelState *s, int64_t current_time);
+int64_t pit_get_next_transition_time(PITChannelState *s, int64_t current_time);
+void pit_get_channel_info_common(PITCommonState *s, PITChannelState *sc,
+ PITChannelInfo *info);
+void pit_reset_common(PITCommonState *s);
+
+#endif /* !QEMU_I8254_INTERNAL_H */
diff --git a/include/hw/timer/m48t59.h b/include/hw/timer/m48t59.h
new file mode 100644
index 0000000000..59337faaad
--- /dev/null
+++ b/include/hw/timer/m48t59.h
@@ -0,0 +1,34 @@
+#ifndef NVRAM_H
+#define NVRAM_H
+
+/* NVRAM helpers */
+typedef uint32_t (*nvram_read_t)(void *private, uint32_t addr);
+typedef void (*nvram_write_t)(void *private, uint32_t addr, uint32_t val);
+typedef struct nvram_t {
+ void *opaque;
+ nvram_read_t read_fn;
+ nvram_write_t write_fn;
+} nvram_t;
+
+uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr);
+int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max);
+
+int PPC_NVRAM_set_params (nvram_t *nvram, uint16_t NVRAM_size,
+ const char *arch,
+ uint32_t RAM_size, int boot_device,
+ uint32_t kernel_image, uint32_t kernel_size,
+ const char *cmdline,
+ uint32_t initrd_image, uint32_t initrd_size,
+ uint32_t NVRAM_image,
+ int width, int height, int depth);
+typedef struct M48t59State M48t59State;
+
+void m48t59_write (void *private, uint32_t addr, uint32_t val);
+uint32_t m48t59_read (void *private, uint32_t addr);
+void m48t59_toggle_lock (void *private, int lock);
+M48t59State *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
+ int type);
+M48t59State *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
+ uint32_t io_base, uint16_t size, int type);
+
+#endif /* !NVRAM_H */
diff --git a/include/hw/timer/mc146818rtc.h b/include/hw/timer/mc146818rtc.h
new file mode 100644
index 0000000000..854ea3f5b5
--- /dev/null
+++ b/include/hw/timer/mc146818rtc.h
@@ -0,0 +1,11 @@
+#ifndef MC146818RTC_H
+#define MC146818RTC_H
+
+#include "hw/isa/isa.h"
+#include "hw/timer/mc146818rtc_regs.h"
+
+ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq);
+void rtc_set_memory(ISADevice *dev, int addr, int val);
+void rtc_set_date(ISADevice *dev, const struct tm *tm);
+
+#endif /* !MC146818RTC_H */
diff --git a/include/hw/timer/mc146818rtc_regs.h b/include/hw/timer/mc146818rtc_regs.h
new file mode 100644
index 0000000000..ccdee42b3c
--- /dev/null
+++ b/include/hw/timer/mc146818rtc_regs.h
@@ -0,0 +1,67 @@
+/*
+ * QEMU MC146818 RTC emulation
+ *
+ * Copyright (c) 2003-2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef RTC_REGS_H
+#define RTC_REGS_H
+
+#define RTC_ISA_IRQ 8
+
+#define RTC_SECONDS 0
+#define RTC_SECONDS_ALARM 1
+#define RTC_MINUTES 2
+#define RTC_MINUTES_ALARM 3
+#define RTC_HOURS 4
+#define RTC_HOURS_ALARM 5
+#define RTC_ALARM_DONT_CARE 0xC0
+
+#define RTC_DAY_OF_WEEK 6
+#define RTC_DAY_OF_MONTH 7
+#define RTC_MONTH 8
+#define RTC_YEAR 9
+
+#define RTC_REG_A 10
+#define RTC_REG_B 11
+#define RTC_REG_C 12
+#define RTC_REG_D 13
+
+/* PC cmos mappings */
+#define RTC_CENTURY 0x32
+#define RTC_IBM_PS2_CENTURY_BYTE 0x37
+
+#define REG_A_UIP 0x80
+
+#define REG_B_SET 0x80
+#define REG_B_PIE 0x40
+#define REG_B_AIE 0x20
+#define REG_B_UIE 0x10
+#define REG_B_SQWE 0x08
+#define REG_B_DM 0x04
+#define REG_B_24H 0x02
+
+#define REG_C_UF 0x10
+#define REG_C_IRQF 0x80
+#define REG_C_PF 0x40
+#define REG_C_AF 0x20
+#define REG_C_MASK 0x70
+
+#endif
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-23 03:44:44 +0000