ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

target/arm: Fix tlbbits calculation in tlbi_aa64_vae2is_write() 

In tlbi_aa64_vae2is_write() the calculation
  bits = tlbbits_for_regime(env, secure ? ARMMMUIdx_E2 : ARMMMUIdx_SE2,
                            pageaddr)

has the two arms of the ?: expression reversed. Fix the bug.

Fixes: b6ad6062f1
Reported-by: Rebecca Cran <rebecca@nuviainc.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
Reviewed-by: Rebecca Cran <rebecca@nuviainc.com>
Message-id: 20210420123106.10861-1-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-04-20 13:31:06 +01:00
parent 68948d1822
commit eb849d8fd5
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/arm/helper.c
View File

@ -4742,7 +4742,7 @@ static void tlbi_aa64_vae2is_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t pageaddr = sextract64(value << 12, 0, 56);
bool secure = arm_is_secure_below_el3(env);
int mask = secure ? ARMMMUIdxBit_SE2 : ARMMMUIdxBit_E2;
int bits = tlbbits_for_regime(env, secure ? ARMMMUIdx_E2 : ARMMMUIdx_SE2,
int bits = tlbbits_for_regime(env, secure ? ARMMMUIdx_SE2 : ARMMMUIdx_E2,
pageaddr);
tlb_flush_page_bits_by_mmuidx_all_cpus_synced(cs, pageaddr, mask, bits);