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Diffstat (limited to 'include/exec/exec-all.h')
| -rw-r--r-- | include/exec/exec-all.h | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h deleted file mode 100644 index dd5c40f..0000000 --- a/include/exec/exec-all.h +++ /dev/null @@ -1,240 +0,0 @@ -/* - * internal execution defines for qemu - * - * Copyright (c) 2003 Fabrice Bellard - * - * 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 EXEC_ALL_H -#define EXEC_ALL_H - -#include "cpu.h" -#if defined(CONFIG_USER_ONLY) -#include "exec/cpu_ldst.h" -#endif -#include "exec/mmu-access-type.h" -#include "exec/translation-block.h" - -#if defined(CONFIG_TCG) -#include "accel/tcg/getpc.h" - -/** - * probe_access: - * @env: CPUArchState - * @addr: guest virtual address to look up - * @size: size of the access - * @access_type: read, write or execute permission - * @mmu_idx: MMU index to use for lookup - * @retaddr: return address for unwinding - * - * Look up the guest virtual address @addr. Raise an exception if the - * page does not satisfy @access_type. Raise an exception if the - * access (@addr, @size) hits a watchpoint. For writes, mark a clean - * page as dirty. - * - * Finally, return the host address for a page that is backed by RAM, - * or NULL if the page requires I/O. - */ -void *probe_access(CPUArchState *env, vaddr addr, int size, - MMUAccessType access_type, int mmu_idx, uintptr_t retaddr); - -static inline void *probe_write(CPUArchState *env, vaddr addr, int size, - int mmu_idx, uintptr_t retaddr) -{ - return probe_access(env, addr, size, MMU_DATA_STORE, mmu_idx, retaddr); -} - -static inline void *probe_read(CPUArchState *env, vaddr addr, int size, - int mmu_idx, uintptr_t retaddr) -{ - return probe_access(env, addr, size, MMU_DATA_LOAD, mmu_idx, retaddr); -} - -/** - * probe_access_flags: - * @env: CPUArchState - * @addr: guest virtual address to look up - * @size: size of the access - * @access_type: read, write or execute permission - * @mmu_idx: MMU index to use for lookup - * @nonfault: suppress the fault - * @phost: return value for host address - * @retaddr: return address for unwinding - * - * Similar to probe_access, loosely returning the TLB_FLAGS_MASK for - * the page, and storing the host address for RAM in @phost. - * - * If @nonfault is set, do not raise an exception but return TLB_INVALID_MASK. - * Do not handle watchpoints, but include TLB_WATCHPOINT in the returned flags. - * Do handle clean pages, so exclude TLB_NOTDIRY from the returned flags. - * For simplicity, all "mmio-like" flags are folded to TLB_MMIO. - */ -int probe_access_flags(CPUArchState *env, vaddr addr, int size, - MMUAccessType access_type, int mmu_idx, - bool nonfault, void **phost, uintptr_t retaddr); - -#ifndef CONFIG_USER_ONLY - -/** - * probe_access_full: - * Like probe_access_flags, except also return into @pfull. - * - * The CPUTLBEntryFull structure returned via @pfull is transient - * and must be consumed or copied immediately, before any further - * access or changes to TLB @mmu_idx. - * - * This function will not fault if @nonfault is set, but will - * return TLB_INVALID_MASK if the page is not mapped, or is not - * accessible with @access_type. - * - * This function will return TLB_MMIO in order to force the access - * to be handled out-of-line if plugins wish to instrument the access. - */ -int probe_access_full(CPUArchState *env, vaddr addr, int size, - MMUAccessType access_type, int mmu_idx, - bool nonfault, void **phost, - CPUTLBEntryFull **pfull, uintptr_t retaddr); - -/** - * probe_access_full_mmu: - * Like probe_access_full, except: - * - * This function is intended to be used for page table accesses by - * the target mmu itself. Since such page walking happens while - * handling another potential mmu fault, this function never raises - * exceptions (akin to @nonfault true for probe_access_full). - * Likewise this function does not trigger plugin instrumentation. - */ -int probe_access_full_mmu(CPUArchState *env, vaddr addr, int size, - MMUAccessType access_type, int mmu_idx, - void **phost, CPUTLBEntryFull **pfull); - -#endif /* !CONFIG_USER_ONLY */ -#endif /* CONFIG_TCG */ - -static inline tb_page_addr_t tb_page_addr0(const TranslationBlock *tb) -{ -#ifdef CONFIG_USER_ONLY - return tb->itree.start; -#else - return tb->page_addr[0]; -#endif -} - -static inline tb_page_addr_t tb_page_addr1(const TranslationBlock *tb) -{ -#ifdef CONFIG_USER_ONLY - tb_page_addr_t next = tb->itree.last & TARGET_PAGE_MASK; - return next == (tb->itree.start & TARGET_PAGE_MASK) ? -1 : next; -#else - return tb->page_addr[1]; -#endif -} - -static inline void tb_set_page_addr0(TranslationBlock *tb, - tb_page_addr_t addr) -{ -#ifdef CONFIG_USER_ONLY - tb->itree.start = addr; - /* - * To begin, we record an interval of one byte. When the translation - * loop encounters a second page, the interval will be extended to - * include the first byte of the second page, which is sufficient to - * allow tb_page_addr1() above to work properly. The final corrected - * interval will be set by tb_page_add() from tb->size before the - * node is added to the interval tree. - */ - tb->itree.last = addr; -#else - tb->page_addr[0] = addr; -#endif -} - -static inline void tb_set_page_addr1(TranslationBlock *tb, - tb_page_addr_t addr) -{ -#ifdef CONFIG_USER_ONLY - /* Extend the interval to the first byte of the second page. See above. */ - tb->itree.last = addr; -#else - tb->page_addr[1] = addr; -#endif -} - -/* TranslationBlock invalidate API */ -void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr); -void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t last); -void tb_set_jmp_target(TranslationBlock *tb, int n, uintptr_t addr); - -#if !defined(CONFIG_USER_ONLY) - -/** - * iotlb_to_section: - * @cpu: CPU performing the access - * @index: TCG CPU IOTLB entry - * - * Given a TCG CPU IOTLB entry, return the MemoryRegionSection that - * it refers to. @index will have been initially created and returned - * by memory_region_section_get_iotlb(). - */ -struct MemoryRegionSection *iotlb_to_section(CPUState *cpu, - hwaddr index, MemTxAttrs attrs); -#endif - -/** - * get_page_addr_code_hostp() - * @env: CPUArchState - * @addr: guest virtual address of guest code - * - * See get_page_addr_code() (full-system version) for documentation on the - * return value. - * - * Sets *@hostp (when @hostp is non-NULL) as follows. - * If the return value is -1, sets *@hostp to NULL. Otherwise, sets *@hostp - * to the host address where @addr's content is kept. - * - * Note: this function can trigger an exception. - */ -tb_page_addr_t get_page_addr_code_hostp(CPUArchState *env, vaddr addr, - void **hostp); - -/** - * get_page_addr_code() - * @env: CPUArchState - * @addr: guest virtual address of guest code - * - * If we cannot translate and execute from the entire RAM page, or if - * the region is not backed by RAM, returns -1. Otherwise, returns the - * ram_addr_t corresponding to the guest code at @addr. - * - * Note: this function can trigger an exception. - */ -static inline tb_page_addr_t get_page_addr_code(CPUArchState *env, - vaddr addr) -{ - return get_page_addr_code_hostp(env, addr, NULL); -} - -#if !defined(CONFIG_USER_ONLY) - -MemoryRegionSection * -address_space_translate_for_iotlb(CPUState *cpu, int asidx, hwaddr addr, - hwaddr *xlat, hwaddr *plen, - MemTxAttrs attrs, int *prot); -hwaddr memory_region_section_get_iotlb(CPUState *cpu, - MemoryRegionSection *section); -#endif - -#endif |