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authorAvi Kivity <avi@redhat.com>2012-01-01 23:35:10 +0200
committerAvi Kivity <avi@redhat.com>2012-01-04 13:34:49 +0200
commitd39e822265e56af761cc506ac45768ab8af940b4 (patch)
treeeb30c10fe4e8332f6c27d81084137293871cb0c1 /exec.c
parent1d393fa2d1c16021c840e5d37f7ff74341b7c884 (diff)
Uninline get_page_addr_code()
Its use of IO_MEM_ROM and friends will later cause #include loops; and it is too large to merit inlining. Signed-off-by: Avi Kivity <avi@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'exec.c')
-rw-r--r--exec.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/exec.c b/exec.c
index e735c1798..e0d2297e6 100644
--- a/exec.c
+++ b/exec.c
@@ -4499,6 +4499,32 @@ void dump_exec_info(FILE *f, fprintf_function cpu_fprintf)
tcg_dump_info(f, cpu_fprintf);
}
+/* NOTE: this function can trigger an exception */
+/* NOTE2: the returned address is not exactly the physical address: it
+ is the offset relative to phys_ram_base */
+tb_page_addr_t get_page_addr_code(CPUState *env1, target_ulong addr)
+{
+ int mmu_idx, page_index, pd;
+ void *p;
+
+ page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+ mmu_idx = cpu_mmu_index(env1);
+ if (unlikely(env1->tlb_table[mmu_idx][page_index].addr_code !=
+ (addr & TARGET_PAGE_MASK))) {
+ ldub_code(addr);
+ }
+ pd = env1->tlb_table[mmu_idx][page_index].addr_code & ~TARGET_PAGE_MASK;
+ if (pd != IO_MEM_RAM && pd != IO_MEM_ROM && !(pd & IO_MEM_ROMD)) {
+#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_SPARC)
+ cpu_unassigned_access(env1, addr, 0, 1, 0, 4);
+#else
+ cpu_abort(env1, "Trying to execute code outside RAM or ROM at 0x" TARGET_FMT_lx "\n", addr);
+#endif
+ }
+ p = (void *)((uintptr_t)addr + env1->tlb_table[mmu_idx][page_index].addend);
+ return qemu_ram_addr_from_host_nofail(p);
+}
+
#define MMUSUFFIX _cmmu
#undef GETPC
#define GETPC() NULL