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Add tb_page_addr_t

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The page tracking code in exec.c is used by both userspace and system
emulation.  Userspace emulation uses it to track virtual pages, and
system emulation to track ram pages.  Introduce a new type to hold this
kind of address.

Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2010-03-12 16:54:58 +00:00
parent 376a790970
commit 41c1b1c9eb
3 changed files with 52 additions and 37 deletions
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7
cpu-exec.c
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@ -125,12 +125,13 @@ static TranslationBlock *tb_find_slow(target_ulong pc,
{
TranslationBlock *tb, **ptb1;
unsigned int h;
target_ulong phys_pc, phys_page1, phys_page2, virt_page2;
tb_page_addr_t phys_pc, phys_page1, phys_page2;
target_ulong virt_page2;
tb_invalidated_flag = 0;
/* find translated block using physical mappings */
phys_pc = get_phys_addr_code(env, pc);
phys_pc = get_page_addr_code(env, pc);
phys_page1 = phys_pc & TARGET_PAGE_MASK;
phys_page2 = -1;
h = tb_phys_hash_func(phys_pc);
@ -147,7 +148,7 @@ static TranslationBlock *tb_find_slow(target_ulong pc,
if (tb->page_addr[1] != -1) {
virt_page2 = (pc & TARGET_PAGE_MASK) +
TARGET_PAGE_SIZE;
phys_page2 = get_phys_addr_code(env, virt_page2);
phys_page2 = get_page_addr_code(env, virt_page2);
if (tb->page_addr[1] == phys_page2)
goto found;
} else {