diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc/0002-CVE-2021-35465.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc/0002-CVE-2021-35465.patch | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/meta/recipes-devtools/gcc/gcc/0002-CVE-2021-35465.patch b/meta/recipes-devtools/gcc/gcc/0002-CVE-2021-35465.patch deleted file mode 100644 index e09818fecf..0000000000 --- a/meta/recipes-devtools/gcc/gcc/0002-CVE-2021-35465.patch +++ /dev/null @@ -1,39 +0,0 @@ -From 574e7950bd6b34e9e2cacce18c802b45505d1d0a Mon Sep 17 00:00:00 2001 -From: Richard Earnshaw <rearnsha@arm.com> -Date: Fri, 18 Jun 2021 17:16:25 +0100 -Subject: [PATCH] arm: add erratum mitigation to __gnu_cmse_nonsecure_call - [PR102035] - -Add the recommended erratum mitigation sequence to -__gnu_cmse_nonsecure_call for use on Armv8-m.main devices. Since this -is in the library code we cannot know in advance whether the core we -are running on will be affected by this, so always enable it. - -libgcc: - PR target/102035 - * config/arm/cmse_nonsecure_call.S (__gnu_cmse_nonsecure_call): - Add vlldm erratum work-around. - -CVE: CVE-2021-35465 -Upstream-Status: Backport [https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=574e7950bd6b34e9e2cacce18c802b45505d1d0a] -Signed-off-by: Pgowda <pgowda.cve@gmail.com> - ---- - libgcc/config/arm/cmse_nonsecure_call.S | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/libgcc/config/arm/cmse_nonsecure_call.S b/libgcc/config/arm/cmse_nonsecure_call.S ---- a/libgcc/config/arm/cmse_nonsecure_call.S -+++ b/libgcc/config/arm/cmse_nonsecure_call.S -@@ -102,6 +102,11 @@ blxns r4 - #ifdef __ARM_PCS_VFP - vpop.f64 {d8-d15} - #else -+/* VLLDM erratum mitigation sequence. */ -+mrs r5, control -+tst r5, #8 /* CONTROL_S.SFPA */ -+it ne -+.inst.w 0xeeb00a40 /* vmovne s0, s0 */ - vlldm sp /* Lazy restore of d0-d16 and FPSCR. */ - add sp, sp, #0x88 /* Free space used to save floating point registers. */ - #endif /* __ARM_PCS_VFP */ |