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 <chenguanyou9338(a)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 <chenguanyou(a)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