Aaron Durbin (adurbin@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4890
-gerrit
commit 590e0c71625bcb097b30e15d12720ae20ad1b3ea Author: Aaron Durbin adurbin@chromium.org Date: Mon Oct 21 22:21:12 2013 -0500
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 --- src/include/cpu/x86/smm.h | 86 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+)
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h index feb50ec..bda1413 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