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author | Avi Kivity <avi@redhat.com> | 2012-01-01 23:35:10 +0200 |
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committer | Avi Kivity <avi@redhat.com> | 2012-01-04 13:34:49 +0200 |
commit | d39e822265e56af761cc506ac45768ab8af940b4 (patch) | |
tree | eb30c10fe4e8332f6c27d81084137293871cb0c1 /exec.c | |
parent | 1d393fa2d1c16021c840e5d37f7ff74341b7c884 (diff) | |
download | qemu-d39e822265e56af761cc506ac45768ab8af940b4.zip qemu-d39e822265e56af761cc506ac45768ab8af940b4.tar.gz qemu-d39e822265e56af761cc506ac45768ab8af940b4.tar.bz2 |
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.c | 26 |
1 files changed, 26 insertions, 0 deletions
@@ -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 |