Hi Kazu
---
machspec: 563535cf4cc0
struct_page_size: 0
VA_BITS: 39
CONFIG_ARM64_VA_BITS: 39
VA_START: fffffffffc000000
VA_BITS_ACTUAL: 27 // invalid value
CONFIG_ARM64_KERNELPACMASK: (unused)
userspace_top: 0000000008000000 // invalid value
crash> vabits_actual
vabits_actual = $1 = 39
Thanks,
Guanyou
Guanyou Chen <chenguanyou9...@gmail.com> 于2024年3月28日周四 10:48写道：
> Hi Kazu, Lianbo
>
> vmcoreinfo "tcr_el1_t1sz" should be a decimal number.
>
> Before:
> vmcoreinfo : vabits_actual: 27
>
> After:
> vmcoreinfo : vabits_actual: 39
>
> Fixes: 28f0833037b2 ("Fix arm64: rewrite the arm64_get_vmcoreinfo_ul to
> arm64_get_vmcoreinfo")
>
> Signed-off-by: chenguanyou <chenguan...@xiaomi.com>
> ---
> arm64.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arm64.c b/arm64.c
> index af0e0d7..e36c723 100644
> --- a/arm64.c
> +++ b/arm64.c
> @@ -4656,8 +4656,8 @@ arm64_set_va_bits_by_tcr(void)
> {
> ulong value;
>
> - if (arm64_get_vmcoreinfo(&value, "NUMBER(TCR_EL1_T1SZ)", NUM_HEX) ||
> - arm64_get_vmcoreinfo(&value, "NUMBER(tcr_el1_t1sz)", NUM_HEX)) {
> + if (arm64_get_vmcoreinfo(&value, "NUMBER(TCR_EL1_T1SZ)", NUM_DEC) ||
> + arm64_get_vmcoreinfo(&value, "NUMBER(tcr_el1_t1sz)", NUM_DEC)) {
> /* See ARMv8 ARM for the description of
> * TCR_EL1.T1SZ and how it can be used
> * to calculate the vabits_actual
> --
> 2.39.0
>
> Thanks,
> Guanyou
>
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