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authorPeter Maydell <peter.maydell@linaro.org>2019-10-29 08:38:04 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-10-29 08:38:04 +0000
commit8c68ff250ac3dbb63632a7e9e703c71786132147 (patch)
treeb2233f2f03aa01523f808fc668fe8dc1876ca09a /include/exec
parentb13197b1a8b7ca201f114c4da704d3ed671228ab (diff)
parentfe9b676fb3160496b4b2bf0c57d33be724bf04c3 (diff)
Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20191028' into staging
Improvements for TARGET_PAGE_BITS_VARY Fix for TCI ld16u_i64. Fix for segv on icount execute from i/o memory. Two misc cleanups. # gpg: Signature made Mon 28 Oct 2019 14:55:08 GMT # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full] # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * remotes/rth/tags/pull-tcg-20191028: translate-all: Remove tb_alloc translate-all: fix uninitialized tb->orig_tb cputlb: Fix tlb_vaddr_to_host exec: Cache TARGET_PAGE_MASK for TARGET_PAGE_BITS_VARY exec: Promote TARGET_PAGE_MASK to target_long exec: Restrict TARGET_PAGE_BITS_VARY assert to CONFIG_DEBUG_TCG exec: Use const alias for TARGET_PAGE_BITS_VARY configure: Detect compiler support for __attribute__((alias)) exec: Split out variable page size support to exec-vary.c cpu: use ROUND_UP() to define xxx_PAGE_ALIGN cputlb: ensure _cmmu helper functions follow the naming standard tci: Add implementation for INDEX_op_ld16u_i64 Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/exec')
-rw-r--r--include/exec/cpu-all.h33
-rw-r--r--include/exec/cpu_ldst_template.h4
2 files changed, 25 insertions, 12 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index ad9ab85eb3..e96781a455 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -210,17 +210,31 @@ static inline void stl_phys_notdirty(AddressSpace *as, hwaddr addr, uint32_t val
/* page related stuff */
#ifdef TARGET_PAGE_BITS_VARY
-extern bool target_page_bits_decided;
-extern int target_page_bits;
-#define TARGET_PAGE_BITS ({ assert(target_page_bits_decided); \
- target_page_bits; })
+typedef struct {
+ bool decided;
+ int bits;
+ target_long mask;
+} TargetPageBits;
+#if defined(CONFIG_ATTRIBUTE_ALIAS) || !defined(IN_EXEC_VARY)
+extern const TargetPageBits target_page;
+#else
+extern TargetPageBits target_page;
+#endif
+#ifdef CONFIG_DEBUG_TCG
+#define TARGET_PAGE_BITS ({ assert(target_page.decided); target_page.bits; })
+#define TARGET_PAGE_MASK ({ assert(target_page.decided); target_page.mask; })
+#else
+#define TARGET_PAGE_BITS target_page.bits
+#define TARGET_PAGE_MASK target_page.mask
+#endif
+#define TARGET_PAGE_SIZE (-(int)TARGET_PAGE_MASK)
#else
#define TARGET_PAGE_BITS_MIN TARGET_PAGE_BITS
+#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
+#define TARGET_PAGE_MASK ((target_long)-1 << TARGET_PAGE_BITS)
#endif
-#define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
-#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
-#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
+#define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE)
/* 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.
@@ -228,9 +242,8 @@ extern int target_page_bits;
extern uintptr_t qemu_host_page_size;
extern intptr_t qemu_host_page_mask;
-#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
-#define REAL_HOST_PAGE_ALIGN(addr) (((addr) + qemu_real_host_page_size - 1) & \
- qemu_real_host_page_mask)
+#define HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_host_page_size)
+#define REAL_HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_real_host_page_size)
/* same as PROT_xxx */
#define PAGE_READ 0x0001
diff --git a/include/exec/cpu_ldst_template.h b/include/exec/cpu_ldst_template.h
index af7e0b49f2..3d24ed9bd0 100644
--- a/include/exec/cpu_ldst_template.h
+++ b/include/exec/cpu_ldst_template.h
@@ -65,8 +65,8 @@
#ifdef SOFTMMU_CODE_ACCESS
#define ADDR_READ addr_code
#define MMUSUFFIX _cmmu
-#define URETSUFFIX SUFFIX
-#define SRETSUFFIX SUFFIX
+#define URETSUFFIX USUFFIX
+#define SRETSUFFIX glue(s, SUFFIX)
#else
#define ADDR_READ addr_read
#define MMUSUFFIX _mmu