unify len and addr type for memory/address APIs

[qemu.git] / include / exec / cpu-all.h

diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index e9004e5798f4a0bb0101c049ea7f96549f3cf064..b16c9ec513fd5787c94a7b732e121c741c218e05 100644 (file)
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -133,6 +133,8 @@ static inline void tswap64s(uint64_t *s)
 #define stq_p(p, v) stq_be_p(p, v)
 #define stfl_p(p, v) stfl_be_p(p, v)
 #define stfq_p(p, v) stfq_be_p(p, v)
+#define ldn_p(p, sz) ldn_be_p(p, sz)
+#define stn_p(p, sz, v) stn_be_p(p, sz, v)
 #else
 #define lduw_p(p) lduw_le_p(p)
 #define ldsw_p(p) ldsw_le_p(p)
@@ -145,6 +147,8 @@ static inline void tswap64s(uint64_t *s)
 #define stq_p(p, v) stq_le_p(p, v)
 #define stfl_p(p, v) stfl_le_p(p, v)
 #define stfq_p(p, v) stfq_le_p(p, v)
+#define ldn_p(p, sz) ldn_le_p(p, sz)
+#define stn_p(p, sz, v) stn_le_p(p, sz, v)
 #endif
 
 /* MMU memory access macros */
@@ -159,33 +163,49 @@ extern unsigned long guest_base;
 extern int have_guest_base;
 extern unsigned long reserved_va;
 
-#define GUEST_ADDR_MAX (reserved_va ? reserved_va : \
+#if HOST_LONG_BITS <= TARGET_VIRT_ADDR_SPACE_BITS
+#define GUEST_ADDR_MAX (~0ul)
+#else
+#define GUEST_ADDR_MAX (reserved_va ? reserved_va - 1 : \
                                     (1ul << TARGET_VIRT_ADDR_SPACE_BITS) - 1)
+#endif
 #else
 
 #include "exec/hwaddr.h"
-uint32_t lduw_phys(AddressSpace *as, hwaddr addr);
-uint32_t ldl_phys(AddressSpace *as, hwaddr addr);
-uint64_t ldq_phys(AddressSpace *as, hwaddr addr);
-void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val);
-void stw_phys(AddressSpace *as, hwaddr addr, uint32_t val);
-void stl_phys(AddressSpace *as, hwaddr addr, uint32_t val);
-void stq_phys(AddressSpace *as, hwaddr addr, uint64_t val);
-
-uint32_t address_space_lduw(AddressSpace *as, hwaddr addr,
-                            MemTxAttrs attrs, MemTxResult *result);
-uint32_t address_space_ldl(AddressSpace *as, hwaddr addr,
-                            MemTxAttrs attrs, MemTxResult *result);
-uint64_t address_space_ldq(AddressSpace *as, hwaddr addr,
-                            MemTxAttrs attrs, MemTxResult *result);
-void address_space_stl_notdirty(AddressSpace *as, hwaddr addr, uint32_t val,
-                            MemTxAttrs attrs, MemTxResult *result);
-void address_space_stw(AddressSpace *as, hwaddr addr, uint32_t val,
-                            MemTxAttrs attrs, MemTxResult *result);
-void address_space_stl(AddressSpace *as, hwaddr addr, uint32_t val,
-                            MemTxAttrs attrs, MemTxResult *result);
-void address_space_stq(AddressSpace *as, hwaddr addr, uint64_t val,
-                            MemTxAttrs attrs, MemTxResult *result);
+
+#define SUFFIX
+#define ARG1         as
+#define ARG1_DECL    AddressSpace *as
+#define TARGET_ENDIANNESS
+#include "exec/memory_ldst.inc.h"
+
+#define SUFFIX       _cached_slow
+#define ARG1         cache
+#define ARG1_DECL    MemoryRegionCache *cache
+#define TARGET_ENDIANNESS
+#include "exec/memory_ldst.inc.h"
+
+static inline void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val)
+{
+    address_space_stl_notdirty(as, addr, val,
+                               MEMTXATTRS_UNSPECIFIED, NULL);
+}
+
+#define SUFFIX
+#define ARG1         as
+#define ARG1_DECL    AddressSpace *as
+#define TARGET_ENDIANNESS
+#include "exec/memory_ldst_phys.inc.h"
+
+/* Inline fast path for direct RAM access.  */
+#define ENDIANNESS
+#include "exec/memory_ldst_cached.inc.h"
+
+#define SUFFIX       _cached
+#define ARG1         cache
+#define ARG1_DECL    MemoryRegionCache *cache
+#define TARGET_ENDIANNESS
+#include "exec/memory_ldst_phys.inc.h"
 #endif
 
 /* page related stuff */
@@ -206,8 +226,6 @@ extern int target_page_bits;
 /* Using intptr_t ensures that qemu_*_page_mask is sign-extended even
  * when intptr_t is 32-bit and we are aligning a long long.
  */
-extern uintptr_t qemu_real_host_page_size;
-extern intptr_t qemu_real_host_page_mask;
 extern uintptr_t qemu_host_page_size;
 extern intptr_t qemu_host_page_mask;
 
@@ -224,6 +242,9 @@ extern intptr_t qemu_host_page_mask;
 /* original state of the write flag (used when tracking self-modifying
    code */
 #define PAGE_WRITE_ORG 0x0010
+/* Invalidate the TLB entry immediately, helpful for s390x
+ * Low-Address-Protection. Used with PAGE_WRITE in tlb_set_page_with_attrs() */
+#define PAGE_WRITE_INV 0x0040
 #if defined(CONFIG_BSD) && defined(CONFIG_USER_ONLY)
 /* FIXME: Code that sets/uses this is broken and needs to go away.  */
 #define PAGE_RESERVED  0x0020
@@ -309,18 +330,44 @@ CPUArchState *cpu_copy(CPUArchState *env);
 #define TLB_NOTDIRTY        (1 << (TARGET_PAGE_BITS - 2))
 /* Set if TLB entry is an IO callback.  */
 #define TLB_MMIO            (1 << (TARGET_PAGE_BITS - 3))
+/* Set if TLB entry must have MMU lookup repeated for every access */
+#define TLB_RECHECK         (1 << (TARGET_PAGE_BITS - 4))
 
 /* Use this mask to check interception with an alignment mask
  * in a TCG backend.
  */
-#define TLB_FLAGS_MASK  (TLB_INVALID_MASK | TLB_NOTDIRTY | TLB_MMIO)
+#define TLB_FLAGS_MASK  (TLB_INVALID_MASK | TLB_NOTDIRTY | TLB_MMIO \
+                         | TLB_RECHECK)
+
+/**
+ * tlb_hit_page: return true if page aligned @addr is a hit against the
+ * TLB entry @tlb_addr
+ *
+ * @addr: virtual address to test (must be page aligned)
+ * @tlb_addr: TLB entry address (a CPUTLBEntry addr_read/write/code value)
+ */
+static inline bool tlb_hit_page(target_ulong tlb_addr, target_ulong addr)
+{
+    return addr == (tlb_addr & (TARGET_PAGE_MASK | TLB_INVALID_MASK));
+}
+
+/**
+ * tlb_hit: return true if @addr is a hit against the TLB entry @tlb_addr
+ *
+ * @addr: virtual address to test (need not be page aligned)
+ * @tlb_addr: TLB entry address (a CPUTLBEntry addr_read/write/code value)
+ */
+static inline bool tlb_hit(target_ulong tlb_addr, target_ulong addr)
+{
+    return tlb_hit_page(tlb_addr, addr & TARGET_PAGE_MASK);
+}
 
 void dump_exec_info(FILE *f, fprintf_function cpu_fprintf);
 void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf);
 #endif /* !CONFIG_USER_ONLY */
 
 int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
-                        uint8_t *buf, int len, int is_write);
+                        uint8_t *buf, target_ulong len, int is_write);
 
 int cpu_exec(CPUState *cpu);