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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] This patch remove the obsolete ioapic code on qemu device model side.
# HG changeset patch # User kaf24@xxxxxxxxxxxxxxxxxxxx # Node ID 63aeaa2152d81f47fb76e1fd73359e52e89da331 # Parent 9bb7a75f120fcd7db6b9e9dd1bc3700701168ada This patch remove the obsolete ioapic code on qemu device model side. Signed-off-by: Yunhong Jiang <yunhong.jiang@xxxxxxxxx> diff -r 9bb7a75f120f -r 63aeaa2152d8 tools/ioemu/hw/ioapic.c --- a/tools/ioemu/hw/ioapic.c Mon Nov 7 15:36:27 2005 +++ /dev/null Mon Nov 7 15:37:58 2005 @@ -1,704 +0,0 @@ -///////////////////////////////////////////////////////////////////////// -// -// Copyright (C) 2001 MandrakeSoft S.A. -// -// MandrakeSoft S.A. -// 43, rue d'Aboukir -// 75002 Paris - France -// http://www.linux-mandrake.com/ -// http://www.mandrakesoft.com/ -// -// 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 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, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -// - -#include "vl.h" -#include "ioapic.h" - -#ifdef __OS -#undef __OS -#endif -#ifdef __i386__ -#define __OS "l" -#else -#define __OS "q" -#endif -#define ADDR (*(volatile long *) addr) - -#ifdef IOAPIC_DEBUG -#define IOAPIC_LOG(a...) fprintf(logfile, ##a) -#else -#define IOAPIC_LOG(a...) -#endif - -static IOAPICState *ioapic; - -#define IOAPIC_ERR(a...) fprintf(logfile, ##a) -static __inline__ int test_and_set_bit(long nr, volatile void * addr) -{ - long oldbit; - - __asm__ __volatile__( - "bts"__OS" %2,%1\n\tsbb"__OS" %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -static __inline__ int test_and_clear_bit(long nr, volatile void * addr) -{ - long oldbit; - - __asm__ __volatile__( LOCK_PREFIX - "btr"__OS" %2,%1\n\tsbb"__OS" %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"dIr" (nr) : "memory"); - return oldbit; -} - -static __inline__ void clear_bit(long nr, volatile void * addr) -{ - __asm__ __volatile__( - "btr"__OS" %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -static inline -void get_shareinfo_apic_msg(vlapic_info *share_info){ - while(test_and_set_bit(VL_STATE_MSG_LOCK, &share_info->vl_state)){}; -} - -static inline -void put_shareinfo_apic_msg(vlapic_info *share_info){ - clear_bit(VL_STATE_MSG_LOCK, &share_info->vl_state); -} -static inline -void get_shareinfo_eoi(vlapic_info *share_info){ - while(test_and_set_bit(VL_STATE_EOI_LOCK, &share_info->vl_state)){}; -} - -static inline -void put_shareinfo_eoi(vlapic_info *share_info){ - clear_bit(VL_STATE_EOI_LOCK, &share_info->vl_state); -} - - -static inline -void get_shareinfo_ext(vlapic_info *share_info){ - while(test_and_set_bit(VL_STATE_EXT_LOCK, &share_info->vl_state)); -} - -static inline -void put_shareinfo_ext(vlapic_info *share_info){ - clear_bit(VL_STATE_EXT_LOCK, &share_info->vl_state); -} - - -static __inline__ int test_bit(int nr, uint32_t value){ - return value & (1 << nr); -} - -static void ioapic_enable(IOAPICState *s, uint8_t enable) -{ - if (!enable ^ IOAPICEnabled(s)) return; - if(enable) - s->flags |= IOAPIC_ENABLE_FLAG; - else - s->flags &= ~IOAPIC_ENABLE_FLAG; -} - -#ifdef IOAPIC_DEBUG -static void -ioapic_dump_redir(IOAPICState *s, uint8_t entry) -{ - if (!s) - return; - - RedirStatus redir = s->redirtbl[entry]; - - fprintf(logfile, "entry %x: " - "vector %x deliver_mod %x destmode %x delivestatus %x " - "polarity %x remote_irr %x trigmod %x mask %x dest_id %x\n", - entry, - redir.RedirForm.vector, redir.RedirForm.deliver_mode, - redir.RedirForm.destmode, redir.RedirForm.delivestatus, - redir.RedirForm.polarity, redir.RedirForm.remoteirr, - redir.RedirForm.trigmod, redir.RedirForm.mask, - redir.RedirForm.dest_id); -} - -static void -ioapic_dump_shareinfo(IOAPICState *s , int number) -{ - if (!s || !s->lapic_info[number]) - return; - vlapic_info *m = s->lapic_info[number]; - IOAPIC_LOG("lapic_info %x : " - "vl_lapic_id %x vl_logical_dest %x vl_dest_format %x vl_arb_id %x\n", - number, m->vl_lapic_id, m->vl_logical_dest, m->vl_dest_format, m->vl_arb_id ); -} -#endif - -static void -ioapic_save(QEMUFile* f,void* opaque) -{ - IOAPIC_ERR("no implementation for ioapic_save\n"); -} - -static -int ioapic_load(QEMUFile* f,void* opaque,int version_id) -{ - IOAPIC_ERR("no implementation for ioapic_load\n"); - return 0; -} - -uint32_t -ioapic_mem_readb(void *opaque, target_phys_addr_t addr) -{ - IOAPIC_ERR("ioapic_mem_readb\n"); - return 0; -} - -uint32_t -ioapic_mem_readw(void *opaque, target_phys_addr_t addr) -{ - IOAPIC_ERR("ioapic_mem_readw\n"); - return 0; -} - -static -void ioapic_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) -{ - IOAPIC_ERR("ioapic_mem_writeb\n"); -} - -static -void ioapic_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) -{ - IOAPIC_ERR("ioapic_mem_writew\n"); -} - -static -uint32_t ioapic_mem_readl(void *opaque, target_phys_addr_t addr) -{ - unsigned short ioregsel; - IOAPICState *s = opaque; - uint32_t result = 0; - uint32_t redir_index = 0; - uint64_t redir_content = 0; - - IOAPIC_LOG("apic_mem_readl addr %x\n", addr); - if (!s){ - IOAPIC_ERR("null pointer for apic_mem_readl\n"); - return result; - } - - addr &= 0xff; - if(addr == 0x00){ - result = s->ioregsel; - return result; - }else if (addr != 0x10){ - IOAPIC_ERR("apic_mem_readl address error\n"); - return result; - } - - ioregsel = s->ioregsel; - - switch (ioregsel){ - case IOAPIC_REG_APIC_ID: - result = ((s->id & 0xf) << 24); - break; - case IOAPIC_REG_VERSION: - result = ((((IOAPIC_NUM_PINS-1) & 0xff) << 16) - | (IOAPIC_VERSION_ID & 0x0f)); - break; - case IOAPIC_REG_ARB_ID: - //FIXME - result = ((s->id & 0xf) << 24); - break; - default: - redir_index = (ioregsel - 0x10) >> 1; - if (redir_index >= 0 && redir_index < IOAPIC_NUM_PINS){ - redir_content = s->redirtbl[redir_index].value; - result = (ioregsel & 0x1)? - (redir_content >> 32) & 0xffffffff : - redir_content & 0xffffffff; - }else{ - IOAPIC_ERR( - "upic_mem_readl:undefined ioregsel %x\n", - ioregsel); - } - } - return result; -} - -static -void ioapic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) -{ - IOAPICState *s = opaque; - uint32_t redir_index = 0; - uint64_t redir_content; - - IOAPIC_LOG("apic_mem_writel addr %x val %x\n", addr, val); - - if (!s){ - IOAPIC_ERR("apic_mem_writel: null opaque\n"); - return; - } - - addr &= 0xff; - if (addr == 0x00){ - s->ioregsel = val; - return; - }else if (addr != 0x10){ - IOAPIC_ERR("apic_mem_writel: unsupported address\n"); - } - - switch (s->ioregsel){ - case IOAPIC_REG_APIC_ID: - s->id = (val >> 24) & 0xf; - break; - case IOAPIC_REG_VERSION: - IOAPIC_ERR("apic_mem_writel: version register read only\n"); - break; - case IOAPIC_REG_ARB_ID: - s->arb_id = val; - break; - default: - redir_index = (s->ioregsel - 0x10) >> 1; -// IOAPIC_LOG("apic_mem_write: change redir :index %x before %lx, val %x\n", redir_index, s->redirtbl[redir_index].value, val); - if (redir_index >= 0 && redir_index < IOAPIC_NUM_PINS){ - redir_content = s->redirtbl[redir_index].value; - if (s->ioregsel & 0x1) - redir_content = (((uint64_t)val & 0xffffffff) << 32) | (redir_content & 0xffffffff); - else - redir_content = ((redir_content >> 32) << 32) | (val & 0xffffffff); - s->redirtbl[redir_index].value = redir_content; - }else { - IOAPIC_ERR("apic_mem_writel: error register\n"); - } - //IOAPIC_LOG("after value is %lx\n", s->redirtbl[redir_index].value); - } -} - -static CPUReadMemoryFunc *ioapic_mem_read[3] = { - ioapic_mem_readb, - ioapic_mem_readw, - ioapic_mem_readl, -}; - -static CPUWriteMemoryFunc *ioapic_mem_write[3] = { - ioapic_mem_writeb, - ioapic_mem_writew, - ioapic_mem_writel, -}; - -void -IOAPICReset(IOAPICState *s) -{ - int i; - if (!s) - return ; - - memset(s, 0, sizeof(IOAPICState)); - - for (i = 0; i < IOAPIC_NUM_PINS; i++) - s->redirtbl[i].RedirForm.mask = 0x1; -// IOAPIC_LOG("after Reset %lx\n", s->redirtbl[0].value); -} - -void -ioapic_update_config(IOAPICState *s, unsigned long address, uint8_t enable) -{ - int ioapic_mem; - if (!s) - return; - - ioapic_enable(s, enable); - - if (address != s->base_address){ - ioapic_mem = cpu_register_io_memory(0, ioapic_mem_read, ioapic_mem_write, s); - cpu_register_physical_memory(address, IOAPIC_MEM_LENGTH, ioapic_mem); - s->base_address = ioapic_mem; - } -} - -#define direct_intr(mode) \ - (mode == VLAPIC_DELIV_MODE_SMI || \ - mode == VLAPIC_DELIV_MODE_NMI || \ - mode == VLAPIC_DELIV_MODE_INIT ||\ - mode == VLAPIC_DELIV_MODE_STARTUP) - -int -ioapic_inj_irq(IOAPICState *s, uint8_t dest, uint8_t vector, uint8_t trig_mode, uint8_t delivery_mode) -{ - int msg_count; - if (!s || !s->lapic_info[dest]){ - IOAPIC_ERR("ioapic_inj_irq NULL parameter\n"); - return 0; - } - IOAPIC_LOG("ioapic_inj_irq %d , trig %d delive mode %d\n", - vector, trig_mode, delivery_mode); - switch(delivery_mode){ - case VLAPIC_DELIV_MODE_FIXED: - case VLAPIC_DELIV_MODE_LPRI: - get_shareinfo_apic_msg(s->lapic_info[dest]); - msg_count = s->lapic_info[dest]->apic_msg_count; - s->lapic_info[dest]->vl_apic_msg[msg_count].deliv_mode = delivery_mode; - s->lapic_info[dest]->vl_apic_msg[msg_count].level = trig_mode; - s->lapic_info[dest]->vl_apic_msg[msg_count].vector = vector; - s->lapic_info[dest]->vl_apic_msg[msg_count].vector = vector; - s->lapic_info[dest]->apic_msg_count ++; - put_shareinfo_apic_msg(s->lapic_info[dest]); - break; - case VLAPIC_DELIV_MODE_EXT: -/* get_shareinfo_ext(s->lapic_info[dest]); - test_and_set_bit(vector, &s->lapic_info[dest]->vl_ext_intr[0]); - put_shareinfo_ext(s->lapic_info[dest]);*/ - IOAPIC_ERR("<ioapic_inj_irq> Ext interrupt\n"); - return 0; - default: - IOAPIC_ERR("<ioapic_inj_irq> error delivery mode\n"); - break; - } - return 1; -} - -int -ioapic_match_logical_addr(IOAPICState *s, int number, uint8_t address) -{ - if(!s || !s->lapic_info[number]){ - IOAPIC_ERR("ioapic_match_logical_addr NULL parameter: " - "number: %i s %p address %x\n", - number, s, address); - return 0; - } - IOAPIC_LOG("ioapic_match_logical_addr number %i address %x\n", - number, address); - - if (((s->lapic_info[number]->vl_dest_format >> 28 ) & 0xf) != 0xf) { - IOAPIC_ERR("ioapic_match_logical_addr: cluster model not implemented still%x" - ,s->lapic_info[number]->vl_dest_format); -#ifdef IOAPIC_DEBUG - ioapic_dump_shareinfo(s, number); -#endif - return 0; - } - return ((address & ((s->lapic_info[number]->vl_logical_dest >> 24) & 0xff)) != 0); -} - -int -ioapic_get_apr_lowpri(IOAPICState *s, int number) -{ - if(!s || !s->lapic_info[number]){ - IOAPIC_ERR("ioapic_get_apr_lowpri NULL parameter\n"); - return 0; - } - return s->lapic_info[number]->vl_arb_id; -} - -uint32_t -ioapic_get_delivery_bitmask(IOAPICState *s, -uint8_t dest, uint8_t dest_mode, uint8_t vector, uint8_t delivery_mode) -{ - uint32_t mask = 0; - int low_priority = 256, selected = -1, i; - fprintf(logfile, "<ioapic_get_delivery_bitmask>: dest %d dest_mode %d" - "vector %d del_mode %d, lapic_count %d\n", - dest, dest_mode, vector, delivery_mode, s->lapic_count); - if (!s) return mask; - if (dest_mode == 0) { //Physical mode - if ((dest < s->lapic_count) && s->lapic_info[dest]) - mask = 1 << dest; - } - else { - /* logical destination. call match_logical_addr for each APIC. */ - if (dest == 0) return 0; - for (i=0; i< s->lapic_count; i++) { - //FIXME focus one, since no such issue on IPF, shoudl we add it? - if ( s->lapic_info[i] && ioapic_match_logical_addr(s, i, dest)){ - if (delivery_mode != APIC_DM_LOWPRI) - mask |= (1<<i); - else { - if (low_priority > ioapic_get_apr_lowpri(s, i)){ - low_priority = ioapic_get_apr_lowpri(s, i); - selected = i; - } - fprintf(logfile, "%d low_priority %d apr %d select %d\n", - i, low_priority, ioapic_get_apr_lowpri(s, i), selected); - } - } - } - if (delivery_mode == APIC_DM_LOWPRI && (selected != -1)) - mask |= (1<< selected); - } - return mask; -} - -void -ioapic_deliver(IOAPICState *s, int irqno){ - uint8_t dest = s->redirtbl[irqno].RedirForm.dest_id; - uint8_t dest_mode = s->redirtbl[irqno].RedirForm.destmode; - uint8_t delivery_mode = s->redirtbl[irqno].RedirForm.deliver_mode; - uint8_t vector = s->redirtbl[irqno].RedirForm.vector; - uint8_t trig_mode = s->redirtbl[irqno].RedirForm.trigmod; - uint8_t bit; - uint32_t deliver_bitmask; - - IOAPIC_LOG("IOAPIC deliver: " - "dest %x dest_mode %x delivery_mode %x vector %x trig_mode %x\n", - dest, dest_mode, delivery_mode, vector, trig_mode); - - deliver_bitmask = - ioapic_get_delivery_bitmask(s, dest, dest_mode, vector, delivery_mode); - - IOAPIC_LOG("ioapic_get_delivery_bitmask return %x\n", deliver_bitmask); - if (!deliver_bitmask){ - IOAPIC_ERR("Ioapic deliver, no target on destination\n"); - return ; - } - - switch (delivery_mode){ - case VLAPIC_DELIV_MODE_FIXED: - case VLAPIC_DELIV_MODE_LPRI: - case VLAPIC_DELIV_MODE_EXT: - break; - case VLAPIC_DELIV_MODE_SMI: - case VLAPIC_DELIV_MODE_NMI: - case VLAPIC_DELIV_MODE_INIT: - case VLAPIC_DELIV_MODE_STARTUP: - default: - IOAPIC_ERR("Not support delivey mode %d\n", delivery_mode); - return ; - } - - for (bit = 0; bit < s->lapic_count; bit++){ - if (deliver_bitmask & (1 << bit)){ - if (s->lapic_info[bit]){ - ioapic_inj_irq(s, bit, vector, trig_mode, delivery_mode); - } - } - } -} - -static inline int __fls(uint32_t word) -{ - int bit; - __asm__("bsrl %1,%0" - :"=r" (bit) - :"rm" (word)); - return word ? bit : -1; -} - -#if 0 -static __inline__ int find_highest_bit(unsigned long *data, int length){ - while(length && !data[--length]); - return __fls(data[length]) + 32 * length; -} -#endif -int -ioapic_get_highest_irq(IOAPICState *s){ - uint32_t irqs; - if (!s) - return -1; - irqs = s->irr & ~s->isr; - return __fls(irqs); -} - - -void -service_ioapic(IOAPICState *s){ - int irqno; - - while((irqno = ioapic_get_highest_irq(s)) != -1){ - IOAPIC_LOG("service_ioapic: highest irqno %x\n", irqno); - - if (!s->redirtbl[irqno].RedirForm.mask) - ioapic_deliver(s, irqno); - - if (s->redirtbl[irqno].RedirForm.trigmod == IOAPIC_LEVEL_TRIGGER){ - s->isr |= (1 << irqno); - } - // clear_bit(irqno, &s->irr); - s->irr &= ~(1 << irqno); - } -} - -void -ioapic_update_irq(IOAPICState *s) -{ - s->INTR = 1; -} - -void -ioapic_set_irq(IOAPICState *s, int irq, int level) -{ - IOAPIC_LOG("ioapic_set_irq %x %x\n", irq, level); - - /* Timer interrupt implemented on HV side */ - if(irq == 0x0) return; - if (!s){ - fprintf(logfile, "ioapic_set_irq null parameter\n"); - return; - } - if (!IOAPICEnabled(s) || s->redirtbl[irq].RedirForm.mask) - return; -#ifdef IOAPIC_DEBUG - ioapic_dump_redir(s, irq); -#endif - if (irq >= 0 && irq < IOAPIC_NUM_PINS){ - uint32_t bit = 1 << irq; - if (s->redirtbl[irq].RedirForm.trigmod == IOAPIC_LEVEL_TRIGGER){ - if(level) - s->irr |= bit; - else - s->irr &= ~bit; - }else{ - if(level) - /* XXX No irr clear for edge interrupt */ - s->irr |= bit; - } - } - - ioapic_update_irq(s); -} - -void -ioapic_legacy_irq(int irq, int level) -{ - ioapic_set_irq(ioapic, irq, level); -} - -static inline int find_highest_bit(uint32_t *data, int length){ - while(length && !data[--length]); - return __fls(data[length]) + 32 * length; -} - -int -get_redir_num(IOAPICState *s, int vector){ - int i = 0; - if(!s){ - IOAPIC_ERR("Null parameter for get_redir_num\n"); - return -1; - } - for(; i < IOAPIC_NUM_PINS-1; i++){ - if (s->redirtbl[i].RedirForm.vector == vector) - return i; - } - return -1; -} - -void -ioapic_update_EOI() -{ - int i = 0; - uint32_t isr_info ; - uint32_t vector; - IOAPICState *s = ioapic; - - isr_info = s->isr; - - for (i = 0; i < s->lapic_count; i++){ - if (!s->lapic_info[i] || - !test_bit(VL_STATE_EOI, s->lapic_info[i]->vl_state)) - continue; - get_shareinfo_eoi(s->lapic_info[i]); - while((vector = find_highest_bit((unsigned int *)&s->lapic_info[i]->vl_eoi[0],VLAPIC_INT_COUNT_32)) != -1){ - int redir_num; - if ((redir_num = get_redir_num(s, vector)) == -1){ - IOAPIC_ERR("Can't find redir item for %d EOI \n", vector); - continue; - } - if (!test_and_clear_bit(redir_num, &s->isr)){ - IOAPIC_ERR("redir %d not set for %d EOI\n", redir_num, vector); - continue; - } - clear_bit(vector, &s->lapic_info[i]->vl_eoi[0]); - } - clear_bit(VL_STATE_EOI, &s->lapic_info[i]->vl_state); - put_shareinfo_eoi(s->lapic_info[i]); - } -} - - -void -ioapic_init_apic_info(IOAPICState *s) -{ -#ifdef IOAPIC_DEBUG - fprintf(logfile, "ioapic_init_apic_info\n"); - if (!s) - return; -#endif - -#if 0 - if (!vio || !(vio->vl_number)){ - fprintf(logfile, "null vio or o vl number\n"); - return; - } - - for (i = 0; i < MAX_LAPIC_NUM; i++) s->lapic_info[i] = NULL; - - s->lapic_count = vio->vl_number; - for (i = 0; i < vio->vl_number; i++) - s->lapic_info[i] = vio->vl_info + i; -#endif - -} - -void -ioapic_intack(IOAPICState *s) -{ -#ifdef IOAPIC_DEBUG - if (!s){ - fprintf(logfile, "ioapic_intack null parameter\n"); - return; - } -#endif - if (!s) s->INTR = 0; -} - -int -ioapic_has_intr() -{ - return ioapic->INTR; -} - -void -do_ioapic() -{ - service_ioapic(ioapic); - ioapic_intack(ioapic); -} - -IOAPICState * -IOAPICInit( ) -{ - IOAPICState *s; - - s = qemu_mallocz(sizeof(IOAPICState)); - if (!s){ - fprintf(logfile, "IOAPICInit: malloc failed\n"); - return NULL; - } - - IOAPICReset(s); - ioapic_init_apic_info(s); - register_savevm("ioapic", 0, 1, ioapic_save, ioapic_load, s); - /* Remove after GFW ready */ - ioapic_update_config(s, 0xfec00000, 1); - - ioapic = s; - return s; -} diff -r 9bb7a75f120f -r 63aeaa2152d8 tools/ioemu/hw/ioapic.h --- a/tools/ioemu/hw/ioapic.h Mon Nov 7 15:36:27 2005 +++ /dev/null Mon Nov 7 15:37:58 2005 @@ -1,128 +0,0 @@ -///////////////////////////////////////////////////////////////////////// -// -// Copyright (C) 2001 MandrakeSoft S.A. -// -// MandrakeSoft S.A. -// 43, rue d'Aboukir -// 75002 Paris - France -// http://www.linux-mandrake.com/ -// http://www.mandrakesoft.com/ -// -// 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 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, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -// - -#ifndef __IOAPIC_H -#define __IOAPIC_H - -#include <xenctrl.h> -#include <xen/io/ioreq.h> -#include <xen/io/vmx_vlapic.h> - -#define IOAPIC_NUM_PINS 24 -#define IOAPIC_VERSION_ID 0x11 -#define IOAPIC_LEVEL_TRIGGER 1 -#define APIC_DM_FIXED 0 -#define APIC_DM_LOWPRI 1 - - - -#ifdef CONFIG_SMP -#define LOCK_PREFIX "lock ; " -#else -#define LOCK_PREFIX "" -#endif - -#ifdef __I386__ -#define __OS "q" -#define __OP "r" -#else -#define __OS "l" /* Operation Suffix */ -#define __OP "e" /* Operand Prefix */ -#endif - -#define ADDR (*(volatile long *) addr) -#if 0 -#endif -extern void *shared_page; -extern FILE *logfile; -#ifdef __BIGENDIAN__ -typedef union RedirStatus -{ - uint64_t value; - struct { - uint8_t dest_id; - uint8_t reserved[4]; - uint8_t reserve:7; - uint8_t mask:1; /* interrupt mask*/ - uint8_t trigmod:1; - uint8_t remoteirr:1; - uint8_t polarity:1; - uint8_t delivestatus:1; - uint8_t destmode:1; - uint8_t deliver_mode:3; - uint8_t vector; - }RedirForm; -}RedirStatus; -#else -typedef union RedirStatus -{ - uint64_t value; - struct { - uint8_t vector; - uint8_t deliver_mode:3; - uint8_t destmode:1; - uint8_t delivestatus:1; - uint8_t polarity:1; - uint8_t remoteirr:1; - uint8_t trigmod:1; - uint8_t mask:1; /* interrupt mask*/ - uint8_t reserve:7; - uint8_t reserved[4]; - uint8_t dest_id; - }RedirForm; -}RedirStatus; -#endif -/* - * IOAPICState stands for a instance of a IOAPIC - */ - -/* FIXME tmp before working with Local APIC */ -#define IOAPIC_MEM_LENGTH 0x100 -#define IOAPIC_ENABLE_MASK 0x0 -#define IOAPIC_ENABLE_FLAG (1 << IOAPIC_ENABLE_MASK) -#define MAX_LAPIC_NUM 32 - -struct IOAPICState{ - uint32_t INTR; - uint32_t id; - uint32_t arb_id; - uint32_t flags; - unsigned long base_address; - uint32_t irr; - uint32_t isr; /* This is used for level trigger */ - uint8_t vector_irr[256]; - RedirStatus redirtbl[IOAPIC_NUM_PINS]; - uint32_t ioregsel; - uint32_t lapic_count; - vlapic_info *lapic_info[MAX_LAPIC_NUM]; -}; -#define IOAPIC_REG_APIC_ID 0x0 -#define IOAPIC_REG_VERSION 0x1 -#define IOAPIC_REG_ARB_ID 0x2 -#define IOAPICEnabled(s) (s->flags & IOAPIC_ENABLE_FLAG) - -typedef struct IOAPICState IOAPICState; - -#endif _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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