diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0003-HACK-disable-instruction-cache-and-data-cache.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0003-HACK-disable-instruction-cache-and-data-cache.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0003-HACK-disable-instruction-cache-and-data-cache.patch b/meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0003-HACK-disable-instruction-cache-and-data-cache.patch deleted file mode 100644 index ebe4d72661..0000000000 --- a/meta-arm/meta-arm-bsp/recipes-security/optee/files/optee-os/n1sdp/0003-HACK-disable-instruction-cache-and-data-cache.patch +++ /dev/null @@ -1,45 +0,0 @@ -Upstream-Status: Pending [Not submitted to upstream yet] -Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com> - -From 0c3ce4c09cd7d2ff4cd2e62acab899dd88dc9514 Mon Sep 17 00:00:00 2001 -From: Vishnu Banavath <vishnu.banavath@arm.com> -Date: Wed, 20 Jul 2022 16:45:59 +0100 -Subject: [PATCH] HACK: disable instruction cache and data cache. - -For some reason, n1sdp fails to boot with instruction cache and -data cache enabled. This is a temporary change to disable I cache -and D cache until a proper fix is found. - -Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com> - - -diff --git a/core/arch/arm/kernel/entry_a64.S b/core/arch/arm/kernel/entry_a64.S -index 875b6e69..594d6928 100644 ---- a/core/arch/arm/kernel/entry_a64.S -+++ b/core/arch/arm/kernel/entry_a64.S -@@ -52,7 +52,7 @@ - - .macro set_sctlr_el1 - mrs x0, sctlr_el1 -- orr x0, x0, #SCTLR_I -+ bic x0, x0, #SCTLR_I - orr x0, x0, #SCTLR_SA - orr x0, x0, #SCTLR_SPAN - #if defined(CFG_CORE_RWDATA_NOEXEC) -@@ -490,11 +490,11 @@ LOCAL_FUNC enable_mmu , : , .identity_map - isb - - /* Enable I and D cache */ -- mrs x1, sctlr_el1 -+ /* mrs x1, sctlr_el1 - orr x1, x1, #SCTLR_I - orr x1, x1, #SCTLR_C - msr sctlr_el1, x1 -- isb -+ isb */ - - /* Adjust stack pointers and return address */ - msr spsel, #1 --- -2.17.1 - |