Hi Simon, On Sun, Sep 20, 2020 at 11:49 PM Simon Glass <s...@chromium.org> wrote: > > GUIDs are one of the seven evils of the computer world. They obfuscate the > meaning and require people to look up long hex strings to decode it.
Agreed :) > > Luckily only a miniscule fraction of the 10^38 possible GUIDs are in use. > > Add a way to decode the GUIDs known to U-Boot. Add a few more to the list > for good measure. > > Signed-off-by: Simon Glass <s...@chromium.org> > --- > > arch/x86/include/asm/fsp/fsp_hob.h | 25 +++++++++++++++++ > cmd/x86/hob.c | 43 ++++++++++++++++++++++++++++-- > 2 files changed, 66 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/include/asm/fsp/fsp_hob.h > b/arch/x86/include/asm/fsp/fsp_hob.h > index d248520e972..ea3983e04ff 100644 > --- a/arch/x86/include/asm/fsp/fsp_hob.h > +++ b/arch/x86/include/asm/fsp/fsp_hob.h > @@ -99,4 +99,29 @@ struct __packed hob_graphics_info { > EFI_GUID(0x39f62cce, 0x6825, 0x4669, \ > 0xbb, 0x56, 0x54, 0x1a, 0xba, 0x75, 0x3a, 0x07) > > +/* The following GUIDs are observed with FSP 2.1 / Apollo Lake */ > +#define FSP_HOB_RESOURCE_OWNER_SMM_PEI_SMRAM_GUID \ > + EFI_GUID(0x6dadf1d1, 0xd4cc, 0x4910, \ > + 0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d) > + > +#define FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID1 \ > + EFI_GUID(0xea296d92, 0x0b69, 0x423c, \ > + 0x8c, 0x28, 0x33, 0xb4, 0xe0, 0xa9, 0x12, 0x68) > + > +#define FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID2 \ > + EFI_GUID(0x9b3ada4f, 0xae56, 0x4c24, \ > + 0x8d, 0xea, 0xf0, 0x3b, 0x75, 0x58, 0xae, 0x50) > + > +#define FSP_HOB_RESOURCE_OWNER_PEIM_DXE_GUID \ > + EFI_GUID(0x86d70125, 0xbaa3, 0x4296, \ > + 0xa6, 0x2f, 0x60, 0x2b, 0xeb, 0xbb, 0x90, 0x81) > + > +#define FSP_HOB_RESOURCE_OWNER_ALLOC_STACK_GUID \ > + EFI_GUID(0x4ed4bf27, 0x4092, 0x42e9, \ > + 0x80, 0x7d, 0x52, 0x7b, 0x1d, 0x00, 0xc9, 0xbd) > + > +#define FSP_HOB_RESOURCE_OWNER_SMBIOS_MEMORY_GUID \ > + EFI_GUID(0x01a1108c, 0x9dee, 0x4984, \ > + 0x88, 0xc3, 0xee, 0xe8, 0xc4, 0x9e, 0xfb, 0x89) > + > #endif > diff --git a/cmd/x86/hob.c b/cmd/x86/hob.c > index e3f512beee8..bbe38bbf20e 100644 > --- a/cmd/x86/hob.c > +++ b/cmd/x86/hob.c > @@ -8,6 +8,7 @@ > #include <efi.h> > #include <uuid.h> > #include <asm/hob.h> > +#include <asm/fsp/fsp_hob.h> > > DECLARE_GLOBAL_DATA_PTR; > > @@ -26,6 +27,37 @@ static char *hob_type[] = { > "Capsule", > }; > > +static struct guid_name { > + efi_guid_t guid; > + const char *name; > +} guid_name[] = { > + { FSP_HOB_RESOURCE_OWNER_TSEG_GUID, "TSEG" }, > + { FSP_HOB_RESOURCE_OWNER_FSP_GUID, "FSP" }, > + { FSP_HOB_RESOURCE_OWNER_SMM_PEI_SMRAM_GUID, "SMM PEI SMRAM" }, > + { FSP_NON_VOLATILE_STORAGE_HOB_GUID, "NVS" }, > + { FSP_VARIABLE_NV_DATA_HOB_GUID, "Variable NVS" }, > + { FSP_GRAPHICS_INFO_HOB_GUID, "Graphics info" }, > + { FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID1, "PCD database ea" }, > + { FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID2, "PCD database 93" }, 93 should be 9b > + { FSP_HOB_RESOURCE_OWNER_PEIM_DXE_GUID, "PEIM Init DXE" }, > + { FSP_HOB_RESOURCE_OWNER_ALLOC_STACK_GUID, "Alloc stack" }, > + { FSP_HOB_RESOURCE_OWNER_SMBIOS_MEMORY_GUID, "SMBIOS memory" }, > + { {}, "zero-guid" }, > + {} > +}; > + > +static const char *guid_to_name(const efi_guid_t *guid) > +{ > + struct guid_name *entry; > + > + for (entry = guid_name; entry->name; entry++) { > + if (!guidcmp(guid, &entry->guid)) > + return entry->name; > + } > + > + return NULL; > +} > + > static int do_hob(struct cmd_tbl *cmdtp, int flag, int argc, char *const > argv[]) > { > const struct hob_header *hdr; > @@ -65,9 +97,16 @@ static int do_hob(struct cmd_tbl *cmdtp, int flag, int > argc, char *const argv[]) > > if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC || > type == HOB_TYPE_GUID_EXT) { > + const char *name; > + > guid = (efi_guid_t *)(hdr + 1); > - uuid_bin_to_str(guid->b, uuid, UUID_STR_FORMAT_GUID); > - printf("%s", uuid); > + name = guid_to_name(guid); > + if (!name) { > + uuid_bin_to_str(guid->b, uuid, > + UUID_STR_FORMAT_GUID); > + name = uuid; > + } > + printf("%36s", name); > } else { > printf("%36s", "Not Available"); > } > -- Reviewed-by: Bin Meng <bmeng...@gmail.com> Regards, Bin