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2026-09-20 07:03:36

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2026-09-20 07:03:36 +00:00
parent 815325ccec
commit e853a577e3
6 changed files with 63 additions and 56 deletions
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12
src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h
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@ -170,13 +170,19 @@ template<>
// check for marked bit, use as unmapped if marked
if (ctx.conf.page_table_marked_bit) {
code.bt(page, *ctx.conf.page_table_marked_bit);
code.jc(abort, code.T_NEAR);
auto const marked_bit = *ctx.conf.page_table_marked_bit;
if (s64(s32(1 << marked_bit)) == s64(1 << marked_bit)) {
code.test(page, s32(1 << marked_bit));
code.jnz(abort, code.T_NEAR);
} else {
code.bt(page, marked_bit);
code.jc(abort, code.T_NEAR);
}
}
// mask away attributes
if (ctx.conf.page_table_pointer_mask == 0) {
code.test(page, page);
} else if (std::in_range<s32>(ctx.conf.page_table_pointer_mask)) {
} else if (s64(s32(ctx.conf.page_table_pointer_mask)) == s64(ctx.conf.page_table_pointer_mask)) {
code.and_(page, ctx.conf.page_table_pointer_mask);
} else {
code.mov(tmp, ctx.conf.page_table_pointer_mask);