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authorSven Schnelle <svens@stackframe.org>2011-06-14 20:55:54 +0200
committerSven Schnelle <svens@stackframe.org>2011-06-15 23:11:44 +0200
commitbfe8e5186ea9916634d31182ec0437f6175e7724 (patch)
treec47d6e948425e4bbe0d9c38cc2a1eb1a954070a9 /src/include
parentb629d14becd78c634ad412df726d964ed5d51214 (diff)
downloadcoreboot-bfe8e5186ea9916634d31182ec0437f6175e7724.tar.xz
SMM: don't overwrite SMM memory on resume
Overwriting the SMM Area on resume leaves us with all variables cleared out, i.e., the GNVS pointer is no longer available, which makes SMIF function calls impossible. Change-Id: I08ab4ffd41df0922d63c017822de1f89a3ff254d Signed-off-by: Sven Schnelle <svens@stackframe.org> Reviewed-on: http://review.coreboot.org/34 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/include')
-rw-r--r--src/include/cpu/x86/smm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index 5605453eab..07a9cae30e 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -272,3 +272,4 @@ void __attribute__((weak)) southbridge_smi_handler(unsigned int node, smm_state_
void __attribute__((weak)) mainboard_smi_gpi(u16 gpi_sts);
int __attribute__((weak)) mainboard_apm_cnt(u8 data);
+void smi_release_lock(void);