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Diffstat (limited to 'include/hw/i386/apic_internal.h')
| -rw-r--r-- | include/hw/i386/apic_internal.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h new file mode 100644 index 000000000..c175e7e71 --- /dev/null +++ b/include/hw/i386/apic_internal.h @@ -0,0 +1,231 @@ +/* + * APIC support - internal interfaces + * + * Copyright (c) 2004-2005 Fabrice Bellard + * Copyright (c) 2011 Jan Kiszka, Siemens AG + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/> + */ + +#ifndef QEMU_APIC_INTERNAL_H +#define QEMU_APIC_INTERNAL_H + +#include "cpu.h" +#include "exec/memory.h" +#include "qemu/timer.h" +#include "target/i386/cpu-qom.h" +#include "qom/object.h" + +/* APIC Local Vector Table */ +#define APIC_LVT_TIMER 0 +#define APIC_LVT_THERMAL 1 +#define APIC_LVT_PERFORM 2 +#define APIC_LVT_LINT0 3 +#define APIC_LVT_LINT1 4 +#define APIC_LVT_ERROR 5 +#define APIC_LVT_NB 6 + +/* APIC delivery modes */ +#define APIC_DM_FIXED 0 +#define APIC_DM_LOWPRI 1 +#define APIC_DM_SMI 2 +#define APIC_DM_NMI 4 +#define APIC_DM_INIT 5 +#define APIC_DM_SIPI 6 +#define APIC_DM_EXTINT 7 + +/* APIC destination mode */ +#define APIC_DESTMODE_FLAT 0xf +#define APIC_DESTMODE_CLUSTER 1 + +#define APIC_TRIGGER_EDGE 0 +#define APIC_TRIGGER_LEVEL 1 + +#define APIC_VECTOR_MASK 0xff +#define APIC_DCR_MASK 0xf + +#define APIC_LVT_TIMER_SHIFT 17 +#define APIC_LVT_MASKED_SHIFT 16 +#define APIC_LVT_LEVEL_TRIGGER_SHIFT 15 +#define APIC_LVT_REMOTE_IRR_SHIFT 14 +#define APIC_LVT_INT_POLARITY_SHIFT 13 +#define APIC_LVT_DELIV_STS_SHIFT 12 +#define APIC_LVT_DELIV_MOD_SHIFT 8 + +#define APIC_LVT_TIMER_TSCDEADLINE (2 << APIC_LVT_TIMER_SHIFT) +#define APIC_LVT_TIMER_PERIODIC (1 << APIC_LVT_TIMER_SHIFT) +#define APIC_LVT_MASKED (1 << APIC_LVT_MASKED_SHIFT) +#define APIC_LVT_LEVEL_TRIGGER (1 << APIC_LVT_LEVEL_TRIGGER_SHIFT) +#define APIC_LVT_REMOTE_IRR (1 << APIC_LVT_REMOTE_IRR_SHIFT) +#define APIC_LVT_INT_POLARITY (1 << APIC_LVT_INT_POLARITY_SHIFT) +#define APIC_LVT_DELIV_STS (1 << APIC_LVT_DELIV_STS_SHIFT) +#define APIC_LVT_DELIV_MOD (7 << APIC_LVT_DELIV_MOD_SHIFT) + +#define APIC_ESR_ILL_ADDRESS_SHIFT 7 +#define APIC_ESR_RECV_ILL_VECT_SHIFT 6 +#define APIC_ESR_SEND_ILL_VECT_SHIFT 5 +#define APIC_ESR_RECV_ACCEPT_SHIFT 3 +#define APIC_ESR_SEND_ACCEPT_SHIFT 2 +#define APIC_ESR_RECV_CHECK_SUM_SHIFT 1 + +#define APIC_ESR_ILLEGAL_ADDRESS (1 << APIC_ESR_ILL_ADDRESS_SHIFT) +#define APIC_ESR_RECV_ILLEGAL_VECT (1 << APIC_ESR_RECV_ILL_VECT_SHIFT) +#define APIC_ESR_SEND_ILLEGAL_VECT (1 << APIC_ESR_SEND_ILL_VECT_SHIFT) +#define APIC_ESR_RECV_ACCEPT (1 << APIC_ESR_RECV_ACCEPT_SHIFT) +#define APIC_ESR_SEND_ACCEPT (1 << APIC_ESR_SEND_ACCEPT_SHIFT) +#define APIC_ESR_RECV_CHECK_SUM (1 << APIC_ESR_RECV_CHECK_SUM_SHIFT) +#define APIC_ESR_SEND_CHECK_SUM 1 + +#define APIC_ICR_DEST_SHIFT 24 +#define APIC_ICR_DEST_SHORT_SHIFT 18 +#define APIC_ICR_TRIGGER_MOD_SHIFT 15 +#define APIC_ICR_LEVEL_SHIFT 14 +#define APIC_ICR_DELIV_STS_SHIFT 12 +#define APIC_ICR_DEST_MOD_SHIFT 11 +#define APIC_ICR_DELIV_MOD_SHIFT 8 + +#define APIC_ICR_DEST_SHORT (3 << APIC_ICR_DEST_SHORT_SHIFT) +#define APIC_ICR_TRIGGER_MOD (1 << APIC_ICR_TRIGGER_MOD_SHIFT) +#define APIC_ICR_LEVEL (1 << APIC_ICR_LEVEL_SHIFT) +#define APIC_ICR_DELIV_STS (1 << APIC_ICR_DELIV_STS_SHIFT) +#define APIC_ICR_DEST_MOD (1 << APIC_ICR_DEST_MOD_SHIFT) +#define APIC_ICR_DELIV_MOD (7 << APIC_ICR_DELIV_MOD_SHIFT) + +#define APIC_PR_CLASS_SHIFT 4 +#define APIC_PR_SUB_CLASS 0xf + +#define APIC_LOGDEST_XAPIC_SHIFT 4 +#define APIC_LOGDEST_XAPIC_ID 0xf + +#define APIC_LOGDEST_X2APIC_SHIFT 16 +#define APIC_LOGDEST_X2APIC_ID 0xffff + +#define APIC_SPURIO_FOCUS_SHIFT 9 +#define APIC_SPURIO_ENABLED_SHIFT 8 + +#define APIC_SPURIO_FOCUS (1 << APIC_SPURIO_FOCUS_SHIFT) +#define APIC_SPURIO_ENABLED (1 << APIC_SPURIO_ENABLED_SHIFT) + +#define APIC_SV_DIRECTED_IO (1 << 12) +#define APIC_SV_ENABLE (1 << 8) + +#define VAPIC_ENABLE_BIT 0 +#define VAPIC_ENABLE_MASK (1 << VAPIC_ENABLE_BIT) + +typedef struct APICCommonState APICCommonState; + +#define TYPE_APIC_COMMON "apic-common" +typedef struct APICCommonClass APICCommonClass; +DECLARE_OBJ_CHECKERS(APICCommonState, APICCommonClass, + APIC_COMMON, TYPE_APIC_COMMON) + +struct APICCommonClass { + DeviceClass parent_class; + + DeviceRealize realize; + DeviceUnrealize unrealize; + void (*set_base)(APICCommonState *s, uint64_t val); + void (*set_tpr)(APICCommonState *s, uint8_t val); + uint8_t (*get_tpr)(APICCommonState *s); + void (*enable_tpr_reporting)(APICCommonState *s, bool enable); + void (*vapic_base_update)(APICCommonState *s); + void (*external_nmi)(APICCommonState *s); + void (*pre_save)(APICCommonState *s); + void (*post_load)(APICCommonState *s); + void (*reset)(APICCommonState *s); + /* send_msi emulates an APIC bus and its proper place would be in a new + * device, but it's convenient to have it here for now. + */ + void (*send_msi)(MSIMessage *msi); +}; + +struct APICCommonState { + /*< private >*/ + DeviceState parent_obj; + /*< public >*/ + + MemoryRegion io_memory; + X86CPU *cpu; + uint32_t apicbase; + uint8_t id; /* legacy APIC ID */ + uint32_t initial_apic_id; + uint8_t version; + uint8_t arb_id; + uint8_t tpr; + uint32_t spurious_vec; + uint8_t log_dest; + uint8_t dest_mode; + uint32_t isr[8]; /* in service register */ + uint32_t tmr[8]; /* trigger mode register */ + uint32_t irr[8]; /* interrupt request register */ + uint32_t lvt[APIC_LVT_NB]; + uint32_t esr; /* error register */ + uint32_t icr[2]; + + uint32_t divide_conf; + int count_shift; + uint32_t initial_count; + int64_t initial_count_load_time; + int64_t next_time; + QEMUTimer *timer; + int64_t timer_expiry; + int sipi_vector; + int wait_for_sipi; + + uint32_t vapic_control; + DeviceState *vapic; + hwaddr vapic_paddr; /* note: persistence via kvmvapic */ + bool legacy_instance_id; +}; + +typedef struct VAPICState { + uint8_t tpr; + uint8_t isr; + uint8_t zero; + uint8_t irr; + uint8_t enabled; +} QEMU_PACKED VAPICState; + +extern bool apic_report_tpr_access; + +void apic_report_irq_delivered(int delivered); +bool apic_next_timer(APICCommonState *s, int64_t current_time); +void apic_enable_tpr_access_reporting(DeviceState *d, bool enable); +void apic_enable_vapic(DeviceState *d, hwaddr paddr); + +void vapic_report_tpr_access(DeviceState *dev, CPUState *cpu, target_ulong ip, + TPRAccess access); + +int apic_get_ppr(APICCommonState *s); +uint32_t apic_get_current_count(APICCommonState *s); + +static inline void apic_set_bit(uint32_t *tab, int index) +{ + int i, mask; + i = index >> 5; + mask = 1 << (index & 0x1f); + tab[i] |= mask; +} + +static inline int apic_get_bit(uint32_t *tab, int index) +{ + int i, mask; + i = index >> 5; + mask = 1 << (index & 0x1f); + return !!(tab[i] & mask); +} + +APICCommonClass *apic_get_class(void); + +#endif /* QEMU_APIC_INTERNAL_H */ |