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| author | Francis Rowe <info@gluglug.org.uk> | 2016-03-08 01:00:09 (EST) |
|---|---|---|
| committer | Francis Rowe <info@gluglug.org.uk> | 2016-03-08 02:32:32 (EST) |
| commit | dfa21bb8ee01eac21a2acee79011a634cb67e373 (patch) | |
| tree | 21cd4f855aa03db13abba91400ad3be212b11602 /resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0038-cpu-amd-car-Add-romstage-BSP-stack-overrun-detection.patch | |
| parent | 2e5e505da125f9d90dd63c1cbcb08bf5316b21ae (diff) | |
| download | libreboot-dfa21bb8ee01eac21a2acee79011a634cb67e373.zip libreboot-dfa21bb8ee01eac21a2acee79011a634cb67e373.tar.gz libreboot-dfa21bb8ee01eac21a2acee79011a634cb67e373.tar.bz2 | |
Update coreboot (kgpe-d16,kcma-d8,kfsn4-dre,d510mo,ga-g41m-es2l)
Update to the latest coreboot and vboot versions at the time of writing:
coreboot 2a3434757ef425dbdfedf1fc69e1a033a6e7310d
vboot d187cd3fc792f8bcefbee4587c83eafbd08441fc
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0038-cpu-amd-car-Add-romstage-BSP-stack-overrun-detection.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0038-cpu-amd-car-Add-romstage-BSP-stack-overrun-detection.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0038-cpu-amd-car-Add-romstage-BSP-stack-overrun-detection.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0038-cpu-amd-car-Add-romstage-BSP-stack-overrun-detection.patch deleted file mode 100644 index 5300db1..0000000 --- a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0038-cpu-amd-car-Add-romstage-BSP-stack-overrun-detection.patch +++ /dev/null @@ -1,59 +0,0 @@ -From ed27521eaee0dd334c658fb68d0c8ebaa6a126cc Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Mon, 1 Jun 2015 23:58:59 -0500 -Subject: [PATCH 038/143] cpu/amd/car: Add romstage BSP stack overrun - detection - -Change-Id: Ia2e8f99be9df388e492a633c49df21ca1c57ba13 -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/cpu/amd/car/cache_as_ram.inc | 6 +++++- - src/cpu/amd/car/post_cache_as_ram.c | 8 ++++++++ - 2 files changed, 13 insertions(+), 1 deletion(-) - -diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc -index 6542906..4ccde3f 100644 ---- a/src/cpu/amd/car/cache_as_ram.inc -+++ b/src/cpu/amd/car/cache_as_ram.inc -@@ -24,7 +24,7 @@ - #include <cpu/amd/mtrr.h> - - #define CacheSize CONFIG_DCACHE_RAM_SIZE --#define CacheBase (0xd0000 - CacheSize) -+#define CacheBase CONFIG_DCACHE_RAM_BASE - #define CacheSizeBSPStack CONFIG_DCACHE_BSP_STACK_SIZE - #define CacheSizeBSPSlush CONFIG_DCACHE_BSP_STACK_SLUSH - -@@ -473,6 +473,10 @@ fam10_end_part1: - movl $(CacheBase + CacheSize), %eax - movl %eax, %esp - -+ /* Poison the lower stack boundary */ -+ movl $((CacheBase + CacheSize) - CacheSizeBSPStack), %eax -+ movl $0xdeadbeef, (%eax) -+ - post_code(0xa3) - - jmp CAR_FAM10_ap_out -diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c -index 257b41a..787bedd 100644 ---- a/src/cpu/amd/car/post_cache_as_ram.c -+++ b/src/cpu/amd/car/post_cache_as_ram.c -@@ -110,6 +110,14 @@ void post_cache_as_ram(void) - void *resume_backup_memory = NULL; - uint32_t family = amd_fam1x_cpu_family(); - -+ /* Verify that the BSP didn't overrun the lower stack -+ * boundary during romstage execution -+ */ -+ volatile uint32_t *lower_stack_boundary; -+ lower_stack_boundary = (void *)((CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE) - CONFIG_STACK_SIZE); -+ if ((*lower_stack_boundary) != 0xdeadbeef) -+ printk(BIOS_WARNING, "BSP overran lower stack boundary. Undefined behaviour may result!\n"); -+ - struct romstage_handoff *handoff; - handoff = romstage_handoff_find_or_add(); - if (handoff != NULL) --- -1.7.9.5 - |