diff options
Diffstat (limited to 'include/exec/cpu-all.h')
| -rw-r--r-- | include/exec/cpu-all.h | 119 |
1 files changed, 6 insertions, 113 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index 45e6676..09f537d 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -64,39 +64,7 @@ /* MMU memory access macros */ -#if defined(CONFIG_USER_ONLY) -#include "user/abitypes.h" - -/* - * If non-zero, the guest virtual address space is a contiguous subset - * of the host virtual address space, i.e. '-R reserved_va' is in effect - * either from the command-line or by default. The value is the last - * byte of the guest address space e.g. UINT32_MAX. - * - * If zero, the host and guest virtual address spaces are intermingled. - */ -extern unsigned long reserved_va; - -/* - * Limit the guest addresses as best we can. - * - * When not using -R reserved_va, we cannot really limit the guest - * to less address space than the host. For 32-bit guests, this - * acts as a sanity check that we're not giving the guest an address - * that it cannot even represent. For 64-bit guests... the address - * might not be what the real kernel would give, but it is at least - * representable in the guest. - * - * TODO: Improve address allocation to avoid this problem, and to - * avoid setting bits at the top of guest addresses that might need - * to be used for tags. - */ -#define GUEST_ADDR_MAX_ \ - ((MIN_CONST(TARGET_VIRT_ADDR_SPACE_BITS, TARGET_ABI_BITS) <= 32) ? \ - UINT32_MAX : ~0ul) -#define GUEST_ADDR_MAX (reserved_va ? : GUEST_ADDR_MAX_) - -#else +#if !defined(CONFIG_USER_ONLY) #include "exec/hwaddr.h" @@ -136,7 +104,7 @@ static inline void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val #endif /* page related stuff */ - +#include "exec/cpu-defs.h" #ifdef TARGET_PAGE_BITS_VARY # include "exec/page-vary.h" extern const TargetPageBits target_page; @@ -158,84 +126,6 @@ extern const TargetPageBits target_page; #define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE) -#if defined(CONFIG_USER_ONLY) -void page_dump(FILE *f); - -typedef int (*walk_memory_regions_fn)(void *, target_ulong, - target_ulong, unsigned long); -int walk_memory_regions(void *, walk_memory_regions_fn); - -int page_get_flags(target_ulong address); - -/** - * page_set_flags: - * @start: first byte of range - * @last: last byte of range - * @flags: flags to set - * Context: holding mmap lock - * - * Modify the flags of a page and invalidate the code if necessary. - * The flag PAGE_WRITE_ORG is positioned automatically depending - * on PAGE_WRITE. The mmap_lock should already be held. - */ -void page_set_flags(target_ulong start, target_ulong last, int flags); - -void page_reset_target_data(target_ulong start, target_ulong last); - -/** - * page_check_range - * @start: first byte of range - * @len: length of range - * @flags: flags required for each page - * - * Return true if every page in [@start, @start+@len) has @flags set. - * Return false if any page is unmapped. Thus testing flags == 0 is - * equivalent to testing for flags == PAGE_VALID. - */ -bool page_check_range(target_ulong start, target_ulong last, int flags); - -/** - * page_check_range_empty: - * @start: first byte of range - * @last: last byte of range - * Context: holding mmap lock - * - * Return true if the entire range [@start, @last] is unmapped. - * The memory lock must be held so that the caller will can ensure - * the result stays true until a new mapping can be installed. - */ -bool page_check_range_empty(target_ulong start, target_ulong last); - -/** - * page_find_range_empty - * @min: first byte of search range - * @max: last byte of search range - * @len: size of the hole required - * @align: alignment of the hole required (power of 2) - * - * If there is a range [x, x+@len) within [@min, @max] such that - * x % @align == 0, then return x. Otherwise return -1. - * The memory lock must be held, as the caller will want to ensure - * the returned range stays empty until a new mapping can be installed. - */ -target_ulong page_find_range_empty(target_ulong min, target_ulong max, - target_ulong len, target_ulong align); - -/** - * page_get_target_data(address) - * @address: guest virtual address - * - * Return TARGET_PAGE_DATA_SIZE bytes of out-of-band data to associate - * with the guest page at @address, allocating it if necessary. The - * caller should already have verified that the address is valid. - * - * The memory will be freed when the guest page is deallocated, - * e.g. with the munmap system call. - */ -void *page_get_target_data(target_ulong address) - __attribute__((returns_nonnull)); -#endif - CPUArchState *cpu_copy(CPUArchState *env); /* Flags for use in ENV->INTERRUPT_PENDING. @@ -290,8 +180,12 @@ CPUArchState *cpu_copy(CPUArchState *env); | CPU_INTERRUPT_TGT_EXT_3 \ | CPU_INTERRUPT_TGT_EXT_4) +#include "cpu.h" + #ifdef CONFIG_USER_ONLY +static inline int cpu_mmu_index(CPUState *cs, bool ifetch); + /* * Allow some level of source compatibility with softmmu. We do not * support any of the more exotic features, so only invalid pages may @@ -381,7 +275,6 @@ static inline bool tlb_hit(uint64_t tlb_addr, vaddr addr) #endif /* !CONFIG_USER_ONLY */ /* Validate correct placement of CPUArchState. */ -#include "cpu.h" QEMU_BUILD_BUG_ON(offsetof(ArchCPU, parent_obj) != 0); QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) != sizeof(CPUState)); |