From d0520406ed3f7dc6a36d1b49b2623eafd0b498fb Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Mon, 21 Oct 2013 22:21:12 -0500 Subject: 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 Reviewed-on: https://chromium-review.googlesource.com/173981 Reviewed-on: http://review.coreboot.org/4890 Reviewed-by: Alexandru Gagniuc Tested-by: build bot (Jenkins) --- src/include/cpu/x86/smm.h | 86 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) (limited to 'src') 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 -- cgit v1.2.3