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authorAaron Durbin <adurbin@chromium.org>2013-10-21 22:21:12 -0500
committerAaron Durbin <adurbin@google.com>2014-01-30 06:05:25 +0100
commitd0520406ed3f7dc6a36d1b49b2623eafd0b498fb (patch)
tree720f202b31644b09b858f174380de71dcaf46b8a
parente0785c03310574dcd96d5bbe878a1bae8c0f2a8c (diff)
x86: add SMM save state for 0x0100 revision
The Bay Trail SMM save state revision is 0x0100. Add support for this save state area using the type named em64t100_smm_state_save_area_t. BUG=chrome-os-partner:22862 BRANCH=None TEST=Built and booted using this structure with forthcoming CLs. Change-Id: Iddd9498ab9fffcd865dae062526bda2ffcdccbce Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/173981 Reviewed-on: http://review.coreboot.org/4890 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)
-rw-r--r--src/include/cpu/x86/smm.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index feb50ecb36..bda1413938 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -208,6 +208,92 @@ typedef struct {
} __attribute__((packed)) em64t_smm_state_save_area_t;
+/* Intel Revision 30100 SMM State-Save Area
+ * The following processor architectures use this:
+ * - Bay Trail
+ */
+#define SMM_EM64T100_ARCH_OFFSET 0x7c00
+#define SMM_EM64T100_SAVE_STATE_OFFSET \
+ SMM_SAVE_STATE_BEGIN(SMM_EM64T100_ARCH_OFFSET)
+typedef struct {
+ u8 reserved0[256];
+ u8 reserved1[208];
+
+ u32 gdtr_upper_base;
+ u32 ldtr_upper_base;
+ u32 idtr_upper_base;
+
+ u8 reserved2[4];
+
+ u64 io_rdi;
+ u64 io_rip;
+ u64 io_rcx;
+ u64 io_rsi;
+
+ u8 reserved3[64];
+ u32 cr4;
+
+ u8 reserved4[72];
+
+ u32 gdtr_base;
+ u8 reserved5[4];
+ u32 idtr_base;
+ u8 reserved6[4];
+ u32 ldtr_base;
+
+ u8 reserved7[88];
+
+ u32 smbase;
+ u32 smm_revision;
+
+ u16 io_restart;
+ u16 autohalt_restart;
+
+ u8 reserved8[24];
+
+ u64 r15;
+ u64 r14;
+ u64 r13;
+ u64 r12;
+ u64 r11;
+ u64 r10;
+ u64 r9;
+ u64 r8;
+
+ u64 rax;
+ u64 rcx;
+ u64 rdx;
+ u64 rbx;
+
+ u64 rsp;
+ u64 rbp;
+ u64 rsi;
+ u64 rdi;
+
+
+ u64 io_mem_addr;
+ u32 io_misc_info;
+
+ u32 es_sel;
+ u32 cs_sel;
+ u32 ss_sel;
+ u32 ds_sel;
+ u32 fs_sel;
+ u32 gs_sel;
+
+ u32 ldtr_sel;
+ u32 tr_sel;
+
+ u64 dr7;
+ u64 dr6;
+ u64 rip;
+ u64 efer;
+ u64 rflags;
+
+ u64 cr3;
+ u64 cr0;
+} __attribute__((packed)) em64t100_smm_state_save_area_t;
+
/* Intel Revision 30101 SMM State-Save Area
* The following processor architectures use this:
* - SandyBridge