[coreboot-gerrit] Change in ...coreboot[master]: [WIP]sb/intel/common/smihandler: Hook up smmstore
Arthur Heymans (Code Review)
gerrit at coreboot.org
Mon Dec 3 02:24:08 CET 2018
Arthur Heymans has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30012
Change subject: [WIP]sb/intel/common/smihandler: Hook up smmstore
......................................................................
[WIP]sb/intel/common/smihandler: Hook up smmstore
TESTED on Asus P5QC
Change-Id: I20b87f3dcb898656ad31478820dd5153e4053cb2
Signed-off-by: Arthur Heymans <arthur at aheymans.xyz>
---
M src/cpu/x86/lapic/Makefile.inc
M src/southbridge/intel/common/smihandler.c
2 files changed, 26 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/12/30012/1
diff --git a/src/cpu/x86/lapic/Makefile.inc b/src/cpu/x86/lapic/Makefile.inc
index 9454f8f..7637250 100644
--- a/src/cpu/x86/lapic/Makefile.inc
+++ b/src/cpu/x86/lapic/Makefile.inc
@@ -4,6 +4,7 @@
romstage-$(CONFIG_UDELAY_LAPIC) += apic_timer.c
ramstage-$(CONFIG_UDELAY_LAPIC) += apic_timer.c
postcar-$(CONFIG_UDELAY_LAPIC) += apic_timer.c
+smm-$(CONFIG_UDELAY_LAPIC) += apic_timer.c
bootblock-y += boot_cpu.c
verstage-y += boot_cpu.c
romstage-y += boot_cpu.c
diff --git a/src/southbridge/intel/common/smihandler.c b/src/southbridge/intel/common/smihandler.c
index 0ad400c..bd3af3a 100644
--- a/src/southbridge/intel/common/smihandler.c
+++ b/src/southbridge/intel/common/smihandler.c
@@ -25,6 +25,7 @@
#include <halt.h>
#include <pc80/mc146818rtc.h>
#include <southbridge/intel/common/pmbase.h>
+#include <smmstore.h>
#include "pmutil.h"
@@ -266,6 +267,26 @@
}
#endif
+static void southbridge_smi_store(void)
+{
+ u8 sub_command, ret;
+ em64t101_smm_state_save_area_t *io_smi =
+ smi_apmc_find_state_save(SMMSTORE_APM_CNT);
+ uint32_t reg_ebx;
+
+ if (!io_smi)
+ return;
+ /* Command and return value in EAX */
+ sub_command = (io_smi->rax >> 8) & 0xff;
+
+ /* Parameter buffer in EBX */
+ reg_ebx = io_smi->rbx;
+
+ /* drivers/smmstore/smi.c */
+ ret = smmstore_exec(sub_command, (void *)reg_ebx);
+ io_smi->rax = ret;
+}
+
static int mainboard_finalized = 0;
static void southbridge_smi_apmc(void)
@@ -320,6 +341,10 @@
southbridge_smi_gsmi();
break;
#endif
+ case SMMSTORE_APM_CNT:
+ if (IS_ENABLED(CONFIG_SMMSTORE))
+ southbridge_smi_store();
+ break;
}
mainboard_smi_apmc(reg8);
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: I20b87f3dcb898656ad31478820dd5153e4053cb2
Gerrit-Change-Number: 30012
Gerrit-PatchSet: 1
Gerrit-Owner: Arthur Heymans <arthur at aheymans.xyz>
Gerrit-Reviewer: Arthur Heymans <arthur at aheymans.xyz>
Gerrit-Reviewer: Martin Roth <martinroth at google.com>
Gerrit-Reviewer: Patrick Georgi <pgeorgi at google.com>
Gerrit-Reviewer: Patrick Rudolph <siro at das-labor.org>
Gerrit-MessageType: newchange
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