diff options
Diffstat (limited to 'pc-bios/bios-pq/0012-load-smbios-entries-and-files-from-qemu.patch')
-rw-r--r-- | pc-bios/bios-pq/0012-load-smbios-entries-and-files-from-qemu.patch | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/pc-bios/bios-pq/0012-load-smbios-entries-and-files-from-qemu.patch b/pc-bios/bios-pq/0012-load-smbios-entries-and-files-from-qemu.patch deleted file mode 100644 index e7a1204116..0000000000 --- a/pc-bios/bios-pq/0012-load-smbios-entries-and-files-from-qemu.patch +++ /dev/null @@ -1,470 +0,0 @@ -qemu:bios: Load SMBIOS entries and files from qemu (Alex Williamson) - -Allow SMBIOS fields to be overridden and entries replaced by those -read from qemu. - -Signed-off-by: Alex Williamson <alex.williamson@hp.com> -Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> - -diff --git a/bios/rombios32.c b/bios/rombios32.c -index 7be4216..1a1ed64 100644 ---- a/bios/rombios32.c -+++ b/bios/rombios32.c -@@ -441,7 +441,6 @@ uint32_t cpuid_features; - uint32_t cpuid_ext_features; - unsigned long ram_size; - uint64_t ram_end; --uint8_t bios_uuid[16]; - #ifdef BX_USE_EBDA_TABLES - unsigned long ebda_cur_addr; - #endif -@@ -471,6 +470,7 @@ void wrmsr_smp(uint32_t index, uint64_t val) - #define QEMU_CFG_UUID 0x02 - #define QEMU_CFG_ARCH_LOCAL 0x8000 - #define QEMU_CFG_ACPI_TABLES (QEMU_CFG_ARCH_LOCAL + 0) -+#define QEMU_CFG_SMBIOS_ENTRIES (QEMU_CFG_ARCH_LOCAL + 1) - - int qemu_cfg_port; - -@@ -519,19 +519,17 @@ static int acpi_load_table(int i, uint32_t addr, uint16_t *len) - qemu_cfg_read((uint8_t*)addr, *len); - return 0; - } --#endif - --void uuid_probe(void) -+static uint16_t smbios_entries(void) - { --#ifdef BX_QEMU -- if(qemu_cfg_port) { -- qemu_cfg_select(QEMU_CFG_UUID); -- qemu_cfg_read(bios_uuid, 16); -- return; -- } --#endif -- memset(bios_uuid, 0, 16); -+ uint16_t cnt; -+ -+ qemu_cfg_select(QEMU_CFG_SMBIOS_ENTRIES); -+ qemu_cfg_read((uint8_t*)&cnt, sizeof(cnt)); -+ -+ return cnt; - } -+#endif - - void cpu_probe(void) - { -@@ -1963,21 +1961,105 @@ smbios_entry_point_init(void *start, - ep->intermediate_checksum = -sum; - } - -+struct smbios_header { -+ uint16_t length; -+ uint8_t type; -+} __attribute__((__packed__)); -+ -+struct smbios_field { -+ struct smbios_header header; -+ uint8_t type; -+ uint16_t offset; -+ uint8_t data[]; -+} __attribute__((__packed__)); -+ -+struct smbios_table { -+ struct smbios_header header; -+ uint8_t data[]; -+} __attribute__((__packed__)); -+ -+#define SMBIOS_FIELD_ENTRY 0 -+#define SMBIOS_TABLE_ENTRY 1 -+ -+static size_t -+smbios_load_field(int type, size_t offset, void *addr) -+{ -+#ifdef BX_QEMU -+ int i; -+ -+ for (i = smbios_entries(); i > 0; i--) { -+ struct smbios_field field; -+ -+ qemu_cfg_read((uint8_t *)&field, sizeof(struct smbios_header)); -+ field.header.length -= sizeof(struct smbios_header); -+ -+ if (field.header.type != SMBIOS_FIELD_ENTRY) { -+ while (field.header.length--) -+ inb(QEMU_CFG_DATA_PORT); -+ continue; -+ } -+ -+ qemu_cfg_read((uint8_t *)&field.type, -+ sizeof(field) - sizeof(struct smbios_header)); -+ field.header.length -= sizeof(field) - sizeof(struct smbios_header); -+ -+ if (field.type != type || field.offset != offset) { -+ while (field.header.length--) -+ inb(QEMU_CFG_DATA_PORT); -+ continue; -+ } -+ -+ qemu_cfg_read(addr, field.header.length); -+ return (size_t)field.header.length; -+ } -+#endif -+ return 0; -+} -+ -+#define load_str_field_with_default(type, field, def) do { \ -+ size = smbios_load_field(type, offsetof(struct smbios_type_##type, \ -+ field), end); \ -+ if (size > 0) { \ -+ end += size; \ -+ } else { \ -+ memcpy(end, def, sizeof(def)); \ -+ end += sizeof(def); \ -+ } \ -+ p->field = ++str_index; \ -+} while (0) -+ -+#define load_str_field_or_skip(type, field) do { \ -+ size = smbios_load_field(type, offsetof(struct smbios_type_##type, \ -+ field), end); \ -+ if (size > 0) { \ -+ end += size; \ -+ p->field = ++str_index; \ -+ } else { \ -+ p->field = 0; \ -+ } \ -+} while (0) -+ - /* Type 0 -- BIOS Information */ - #define RELEASE_DATE_STR "01/01/2007" - static void * --smbios_type_0_init(void *start) -+smbios_init_type_0(void *start) - { - struct smbios_type_0 *p = (struct smbios_type_0 *)start; -+ char *end = (char *)start + sizeof(struct smbios_type_0); -+ size_t size; -+ int str_index = 0; - - p->header.type = 0; - p->header.length = sizeof(struct smbios_type_0); - p->header.handle = 0; - -- p->vendor_str = 1; -- p->bios_version_str = 1; -+ load_str_field_with_default(0, vendor_str, BX_APPNAME); -+ load_str_field_with_default(0, bios_version_str, BX_APPNAME); -+ - p->bios_starting_address_segment = 0xe800; -- p->bios_release_date_str = 2; -+ -+ load_str_field_with_default(0, bios_release_date_str, RELEASE_DATE_STR); -+ - p->bios_rom_size = 0; /* FIXME */ - - memset(p->bios_characteristics, 0, 8); -@@ -1985,50 +2067,66 @@ smbios_type_0_init(void *start) - p->bios_characteristics_extension_bytes[0] = 0; - p->bios_characteristics_extension_bytes[1] = 0; - -- p->system_bios_major_release = 1; -- p->system_bios_minor_release = 0; -+ if (!smbios_load_field(0, offsetof(struct smbios_type_0, -+ system_bios_major_release), -+ &p->system_bios_major_release)) -+ p->system_bios_major_release = 1; -+ -+ if (!smbios_load_field(0, offsetof(struct smbios_type_0, -+ system_bios_minor_release), -+ &p->system_bios_minor_release)) -+ p->system_bios_minor_release = 0; -+ - p->embedded_controller_major_release = 0xff; - p->embedded_controller_minor_release = 0xff; - -- start += sizeof(struct smbios_type_0); -- memcpy((char *)start, BX_APPNAME, sizeof(BX_APPNAME)); -- start += sizeof(BX_APPNAME); -- memcpy((char *)start, RELEASE_DATE_STR, sizeof(RELEASE_DATE_STR)); -- start += sizeof(RELEASE_DATE_STR); -- *((uint8_t *)start) = 0; -+ *end = 0; -+ end++; - -- return start+1; -+ return end; - } - - /* Type 1 -- System Information */ - static void * --smbios_type_1_init(void *start) -+smbios_init_type_1(void *start) - { - struct smbios_type_1 *p = (struct smbios_type_1 *)start; -+ char *end = (char *)start + sizeof(struct smbios_type_1); -+ size_t size; -+ int str_index = 0; -+ - p->header.type = 1; - p->header.length = sizeof(struct smbios_type_1); - p->header.handle = 0x100; - -- p->manufacturer_str = 0; -- p->product_name_str = 0; -- p->version_str = 0; -- p->serial_number_str = 0; -+ load_str_field_or_skip(1, manufacturer_str); -+ load_str_field_or_skip(1, product_name_str); -+ load_str_field_or_skip(1, version_str); -+ load_str_field_or_skip(1, serial_number_str); - -- memcpy(p->uuid, bios_uuid, 16); -+ size = smbios_load_field(1, offsetof(struct smbios_type_1, -+ uuid), &p->uuid); -+ if (size == 0) -+ memset(p->uuid, 0, 16); - - p->wake_up_type = 0x06; /* power switch */ -- p->sku_number_str = 0; -- p->family_str = 0; - -- start += sizeof(struct smbios_type_1); -- *((uint16_t *)start) = 0; -+ load_str_field_or_skip(1, sku_number_str); -+ load_str_field_or_skip(1, family_str); - -- return start+2; -+ *end = 0; -+ end++; -+ if (!str_index) { -+ *end = 0; -+ end++; -+ } -+ -+ return end; - } - - /* Type 3 -- System Enclosure */ - static void * --smbios_type_3_init(void *start) -+smbios_init_type_3(void *start) - { - struct smbios_type_3 *p = (struct smbios_type_3 *)start; - -@@ -2058,7 +2156,7 @@ smbios_type_3_init(void *start) - - /* Type 4 -- Processor Information */ - static void * --smbios_type_4_init(void *start, unsigned int cpu_number) -+smbios_init_type_4(void *start, unsigned int cpu_number) - { - struct smbios_type_4 *p = (struct smbios_type_4 *)start; - -@@ -2098,7 +2196,7 @@ smbios_type_4_init(void *start, unsigned int cpu_number) - - /* Type 16 -- Physical Memory Array */ - static void * --smbios_type_16_init(void *start, uint32_t memsize, int nr_mem_devs) -+smbios_init_type_16(void *start, uint32_t memsize, int nr_mem_devs) - { - struct smbios_type_16 *p = (struct smbios_type_16*)start; - -@@ -2121,7 +2219,7 @@ smbios_type_16_init(void *start, uint32_t memsize, int nr_mem_devs) - - /* Type 17 -- Memory Device */ - static void * --smbios_type_17_init(void *start, uint32_t memory_size_mb, int instance) -+smbios_init_type_17(void *start, uint32_t memory_size_mb, int instance) - { - struct smbios_type_17 *p = (struct smbios_type_17 *)start; - -@@ -2151,7 +2249,7 @@ smbios_type_17_init(void *start, uint32_t memory_size_mb, int instance) - - /* Type 19 -- Memory Array Mapped Address */ - static void * --smbios_type_19_init(void *start, uint32_t memory_size_mb, int instance) -+smbios_init_type_19(void *start, uint32_t memory_size_mb, int instance) - { - struct smbios_type_19 *p = (struct smbios_type_19 *)start; - -@@ -2172,7 +2270,7 @@ smbios_type_19_init(void *start, uint32_t memory_size_mb, int instance) - - /* Type 20 -- Memory Device Mapped Address */ - static void * --smbios_type_20_init(void *start, uint32_t memory_size_mb, int instance) -+smbios_init_type_20(void *start, uint32_t memory_size_mb, int instance) - { - struct smbios_type_20 *p = (struct smbios_type_20 *)start; - -@@ -2196,7 +2294,7 @@ smbios_type_20_init(void *start, uint32_t memory_size_mb, int instance) - - /* Type 32 -- System Boot Information */ - static void * --smbios_type_32_init(void *start) -+smbios_init_type_32(void *start) - { - struct smbios_type_32 *p = (struct smbios_type_32 *)start; - -@@ -2214,7 +2312,7 @@ smbios_type_32_init(void *start) - - /* Type 127 -- End of Table */ - static void * --smbios_type_127_init(void *start) -+smbios_init_type_127(void *start) - { - struct smbios_type_127 *p = (struct smbios_type_127 *)start; - -@@ -2228,6 +2326,78 @@ smbios_type_127_init(void *start) - return start + 2; - } - -+static int -+smbios_load_external(int type, char **p, unsigned *nr_structs, -+ unsigned *max_struct_size) -+{ -+#ifdef BX_QEMU -+ static uint64_t used_bitmap[4] = { 0 }; -+ char *start = *p; -+ int i; -+ -+ /* Check if we've already reported these tables */ -+ if (used_bitmap[(type >> 6) & 0x3] & (1ULL << (type & 0x3f))) -+ return 1; -+ -+ /* Don't introduce spurious end markers */ -+ if (type == 127) -+ return 0; -+ -+ for (i = smbios_entries(); i > 0; i--) { -+ struct smbios_table table; -+ struct smbios_structure_header *header = (void *)*p; -+ int string; -+ -+ qemu_cfg_read((uint8_t *)&table, sizeof(struct smbios_header)); -+ table.header.length -= sizeof(struct smbios_header); -+ -+ if (table.header.type != SMBIOS_TABLE_ENTRY) { -+ while (table.header.length--) -+ inb(QEMU_CFG_DATA_PORT); -+ continue; -+ } -+ -+ qemu_cfg_read((uint8_t *)*p, sizeof(struct smbios_structure_header)); -+ table.header.length -= sizeof(struct smbios_structure_header); -+ -+ if (header->type != type) { -+ while (table.header.length--) -+ inb(QEMU_CFG_DATA_PORT); -+ continue; -+ } -+ -+ *p += sizeof(struct smbios_structure_header); -+ -+ /* Entries end with a double NULL char, if there's a string at -+ * the end (length is greater than formatted length), the string -+ * terminator provides the first NULL. */ -+ string = header->length < table.header.length + -+ sizeof(struct smbios_structure_header); -+ -+ /* Read the rest and terminate the entry */ -+ qemu_cfg_read((uint8_t *)*p, table.header.length); -+ *p += table.header.length; -+ *((uint8_t*)*p) = 0; -+ (*p)++; -+ if (!string) { -+ *((uint8_t*)*p) = 0; -+ (*p)++; -+ } -+ -+ (*nr_structs)++; -+ if (*p - (char *)header > *max_struct_size) -+ *max_struct_size = *p - (char *)header; -+ } -+ -+ /* Mark that we've reported on this type */ -+ used_bitmap[(type >> 6) & 0x3] |= (1ULL << (type & 0x3f)); -+ -+ return (start != *p); -+#else /* !BX_QEMU */ -+ return 0; -+#endif -+} -+ - void smbios_init(void) - { - unsigned cpu_num, nr_structs = 0, max_struct_size = 0; -@@ -2246,34 +2416,39 @@ void smbios_init(void) - - p = (char *)start + sizeof(struct smbios_entry_point); - --#define add_struct(fn) do{ \ -- q = (fn); \ -- nr_structs++; \ -- if ((q - p) > max_struct_size) \ -- max_struct_size = q - p; \ -- p = q; \ --}while (0) -- -- add_struct(smbios_type_0_init(p)); -- add_struct(smbios_type_1_init(p)); -- add_struct(smbios_type_3_init(p)); -+#define add_struct(type, args...) do { \ -+ if (!smbios_load_external(type, &p, &nr_structs, &max_struct_size)) { \ -+ q = smbios_init_type_##type(args); \ -+ nr_structs++; \ -+ if ((q - p) > max_struct_size) \ -+ max_struct_size = q - p; \ -+ p = q; \ -+ } \ -+} while (0) -+ -+ add_struct(0, p); -+ add_struct(1, p); -+ add_struct(3, p); - for (cpu_num = 1; cpu_num <= smp_cpus; cpu_num++) -- add_struct(smbios_type_4_init(p, cpu_num)); -+ add_struct(4, p, cpu_num); - - /* Each 'memory device' covers up to 16GB of address space. */ - nr_mem_devs = (memsize + 0x3fff) >> 14; -- add_struct(smbios_type_16_init(p, memsize, nr_mem_devs)); -+ add_struct(16, p, memsize, nr_mem_devs); - for ( i = 0; i < nr_mem_devs; i++ ) - { - uint32_t dev_memsize = ((i == (nr_mem_devs - 1)) - ? (((memsize-1) & 0x3fff)+1) : 0x4000); -- add_struct(smbios_type_17_init(p, dev_memsize, i)); -- add_struct(smbios_type_19_init(p, dev_memsize, i)); -- add_struct(smbios_type_20_init(p, dev_memsize, i)); -+ add_struct(17, p, dev_memsize, i); -+ add_struct(19, p, dev_memsize, i); -+ add_struct(20, p, dev_memsize, i); - } - -- add_struct(smbios_type_32_init(p)); -- add_struct(smbios_type_127_init(p)); -+ add_struct(32, p); -+ /* Add any remaining provided entries before the end marker */ -+ for (i = 0; i < 256; i++) -+ smbios_load_external(i, &p, &nr_structs, &max_struct_size); -+ add_struct(127, p); - - #undef add_struct - -@@ -2380,8 +2555,6 @@ void rombios32_init(uint32_t *s3_resume_vector, uint8_t *shutdown_flag) - - mptable_init(); - -- uuid_probe(); -- - smbios_init(); - - if (acpi_enabled) - - --- -To unsubscribe from this list: send the line "unsubscribe kvm" in -the body of a message to majordomo@vger.kernel.org -More majordomo info at http://vger.kernel.org/majordomo-info.html - |