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linux-user: Set PAGE_TARGET_1 for TARGET_PROT_BTI

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Transform the prot bit to a qemu internal page bit, and save
it in the page tables.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201021173749.111103-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2020-10-21 10:37:39 -07:00 • committed by Peter Maydell
parent 0b6a03c044
commit be5d6f4884
5 changed files with 30 additions and 3 deletions
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6
target/arm/translate-a64.c
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@ -14507,10 +14507,10 @@ static void disas_data_proc_simd_fp(DisasContext *s, uint32_t insn)
*/
static bool is_guarded_page(CPUARMState *env, DisasContext *s)
{
#ifdef CONFIG_USER_ONLY
return false; /* FIXME */
#else
uint64_t addr = s->base.pc_first;
#ifdef CONFIG_USER_ONLY
return page_get_flags(addr) & PAGE_BTI;
#else
int mmu_idx = arm_to_core_mmu_idx(s->mmu_idx);
unsigned int index = tlb_index(env, mmu_idx, addr);
CPUTLBEntry *entry = tlb_entry(env, mmu_idx, addr);