Exemple #1
0
void write_tables(void)
{
	unsigned long table_pointer, new_table_pointer;

	post_code(0x9d);

	table_pointer = (unsigned long)cbmem_add(CBMEM_ID_CBTABLE,
						 MAX_COREBOOT_TABLE_SIZE);
	if (!table_pointer) {
		printk(BIOS_ERR, "Could not add CBMEM for coreboot table.\n");
		return;
	}

	new_table_pointer = write_coreboot_table(0UL, 0UL, table_pointer,
						 table_pointer);

	if (new_table_pointer > (table_pointer + MAX_COREBOOT_TABLE_SIZE))
		printk(BIOS_ERR, "coreboot table didn't fit (%lx/%x bytes)\n",
		       new_table_pointer - table_pointer,
		       MAX_COREBOOT_TABLE_SIZE);

	printk(BIOS_DEBUG, "coreboot table: %ld bytes.\n",
	       new_table_pointer - table_pointer);

	post_code(0x9e);

	/* Print CBMEM sections */
	cbmem_list();
}
void *write_tables(void)
{
	uintptr_t cbtable_start;
	uintptr_t cbtable_end;
	size_t cbtable_size;
	const size_t max_table_size = COREBOOT_TABLE_SIZE;

	cbtable_start = (uintptr_t)cbmem_add(CBMEM_ID_CBTABLE, max_table_size);

	if (!cbtable_start) {
		printk(BIOS_ERR, "Could not add CBMEM for coreboot table.\n");
		return NULL;
	}

	/* Add architecture specific tables. */
	arch_write_tables(cbtable_start);

	/* Write the coreboot table. */
	cbtable_end = write_coreboot_table(cbtable_start);
	cbtable_size = cbtable_end - cbtable_start;

	if (cbtable_size > max_table_size) {
		printk(BIOS_ERR, "%s: coreboot table didn't fit (%zx/%zx)\n",
			__func__, cbtable_size, max_table_size);
	}

	printk(BIOS_DEBUG, "coreboot table: %zd bytes.\n", cbtable_size);

	/* Print CBMEM sections */
	cbmem_list();
	return (void *)cbtable_start;
}
Exemple #3
0
struct lb_memory *write_tables(void)
{
	unsigned long table_pointer, new_table_pointer;

#if ! CONFIG_DYNAMIC_CBMEM
	if (!high_tables_base) {
		printk(BIOS_ERR, "ERROR: high_tables_base is not set.\n");
	}

	printk(BIOS_DEBUG, "high_tables_base: %llx.\n", high_tables_base);
#endif

	post_code(0x9d);

	table_pointer = (unsigned long)cbmem_add(CBMEM_ID_CBTABLE,
						MAX_COREBOOT_TABLE_SIZE);
	if (!table_pointer) {
		printk(BIOS_ERR, "Could not add CBMEM for coreboot table.\n");
		return NULL;
	}

	new_table_pointer = write_coreboot_table(0UL, 0UL,
				table_pointer, table_pointer);

	if (new_table_pointer > (table_pointer + MAX_COREBOOT_TABLE_SIZE)) {
		printk(BIOS_ERR, "coreboot table didn't fit (%lx/%x bytes)\n",
			   new_table_pointer - table_pointer, MAX_COREBOOT_TABLE_SIZE);
	}

	printk(BIOS_DEBUG, "coreboot table: %ld bytes.\n",
			new_table_pointer - table_pointer);

	post_code(0x9e);

	/* Print CBMEM sections */
	cbmem_list();

	return get_lb_mem();
}
Exemple #4
0
void write_tables(void)
{
	u32 rom_table_start = ROM_TABLE_ADDR;
	u32 rom_table_end;
#ifdef CONFIG_SEABIOS
	u32 high_table, table_size;
	struct memory_area cfg_tables[ARRAY_SIZE(table_write_funcs) + 1];
#endif
	int i;

	for (i = 0; i < ARRAY_SIZE(table_write_funcs); i++) {
		rom_table_end = table_write_funcs[i](rom_table_start);
		rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN);

#ifdef CONFIG_SEABIOS
		table_size = rom_table_end - rom_table_start;
		high_table = (u32)high_table_malloc(table_size);
		if (high_table) {
			table_write_funcs[i](high_table);

			cfg_tables[i].start = high_table;
			cfg_tables[i].size = table_size;
		} else {
			printf("%d: no memory for configuration tables\n", i);
		}
#endif

		rom_table_start = rom_table_end;
	}

#ifdef CONFIG_SEABIOS
	/* make sure the last item is zero */
	cfg_tables[i].size = 0;
	write_coreboot_table(CB_TABLE_ADDR, cfg_tables);
#endif
}
Exemple #5
0
void write_tables(void)
{
	unsigned long low_table_start, low_table_end;
	unsigned long rom_table_start, rom_table_end;

	/* Even if high tables are configured, some tables are copied both to
	 * the low and the high area, so payloads and OSes don't need to know
	 * about the high tables.
	 */
	unsigned long high_table_pointer;

	rom_table_start = 0xf0000;
	rom_table_end =   0xf0000;

	/* Start low addr at 0x500, so we don't run into conflicts with the BDA
	 * in case our data structures grow beyond 0x400. Only GDT
	 * and the coreboot table use low_tables.
	 */
	low_table_start = 0;
	low_table_end = 0x500;

#if CONFIG_GENERATE_PIRQ_TABLE
#define MAX_PIRQ_TABLE_SIZE (4 * 1024)
	post_code(0x9a);

	/* This table must be between 0x0f0000 and 0x100000 */
	rom_table_end = write_pirq_routing_table(rom_table_end);
	rom_table_end = ALIGN(rom_table_end, 1024);

	/* And add a high table version for those payloads that
	 * want to live in the F segment
	 */
	high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_PIRQ, MAX_PIRQ_TABLE_SIZE);
	if (high_table_pointer) {
		unsigned long new_high_table_pointer;
		new_high_table_pointer = write_pirq_routing_table(high_table_pointer);
		// FIXME make pirq table code intelligent enough to know how
		// much space it's going to need.
		if (new_high_table_pointer > (high_table_pointer + MAX_PIRQ_TABLE_SIZE)) {
			printk(BIOS_ERR, "ERROR: Increase PIRQ size.\n");
		}
		printk(BIOS_DEBUG, "PIRQ table: %ld bytes.\n",
				new_high_table_pointer - high_table_pointer);
	}

#endif

#if CONFIG_GENERATE_MP_TABLE
#define MAX_MP_TABLE_SIZE (4 * 1024)
	post_code(0x9b);

	/* The smp table must be in 0-1K, 639K-640K, or 960K-1M */
	rom_table_end = write_smp_table(rom_table_end);
	rom_table_end = ALIGN(rom_table_end, 1024);

	high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_MPTABLE, MAX_MP_TABLE_SIZE);
	if (high_table_pointer) {
		unsigned long new_high_table_pointer;
		new_high_table_pointer = write_smp_table(high_table_pointer);
		// FIXME make mp table code intelligent enough to know how
		// much space it's going to need.
		if (new_high_table_pointer > (high_table_pointer + MAX_MP_TABLE_SIZE)) {
			printk(BIOS_ERR, "ERROR: Increase MP table size.\n");
		}

		printk(BIOS_DEBUG, "MP table: %ld bytes.\n",
				new_high_table_pointer - high_table_pointer);
	}
#endif /* CONFIG_GENERATE_MP_TABLE */

#if CONFIG_HAVE_ACPI_TABLES
#if CONFIG_DYNAMIC_CBMEM
#define MAX_ACPI_SIZE (144 * 1024)
#else
#define MAX_ACPI_SIZE (45 * 1024)
#endif
	post_code(0x9c);

	/* Write ACPI tables to F segment and high tables area */

	/* Ok, this is a bit hacky still, because some day we want to have this
	 * completely dynamic. But right now we are setting fixed sizes.
	 * It's probably still better than the old high_table_base code because
	 * now at least we know when we have an overflow in the area.
	 *
	 * We want to use 1MB - 64K for Resume backup. We use 512B for TOC and
	 * 512 byte for GDT, 4K for PIRQ and 4K for MP table and 8KB for the
	 * coreboot table. This leaves us with 47KB for all of ACPI. Let's see
	 * how far we get.
	 */
	high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_ACPI, MAX_ACPI_SIZE);
	if (high_table_pointer) {
		unsigned long acpi_start = high_table_pointer;
		unsigned long new_high_table_pointer;

		rom_table_end = ALIGN(rom_table_end, 16);
		new_high_table_pointer = write_acpi_tables(high_table_pointer);
		if (new_high_table_pointer > ( high_table_pointer + MAX_ACPI_SIZE)) {
			printk(BIOS_ERR, "ERROR: Increase ACPI size\n");
		}
                printk(BIOS_DEBUG, "ACPI tables: %ld bytes.\n",
				new_high_table_pointer - high_table_pointer);

		/* Now we need to create a low table copy of the RSDP. */

		/* First we look for the high table RSDP */
		while (acpi_start < new_high_table_pointer) {
			if (memcmp(((acpi_rsdp_t *)acpi_start)->signature, RSDP_SIG, 8) == 0) {
				break;
			}
			acpi_start++;
		}

		/* Now, if we found the RSDP, we take the RSDT and XSDT pointer
		 * from it in order to write the low RSDP
		 */
		if (acpi_start < new_high_table_pointer) {
			acpi_rsdp_t *low_rsdp = (acpi_rsdp_t *)rom_table_end,
				    *high_rsdp = (acpi_rsdp_t *)acpi_start;

			acpi_write_rsdp(low_rsdp,
				(acpi_rsdt_t *)(high_rsdp->rsdt_address),
				(acpi_xsdt_t *)((unsigned long)high_rsdp->xsdt_address));
		} else {
			printk(BIOS_ERR, "ERROR: Didn't find RSDP in high table.\n");
		}
		rom_table_end = ALIGN(rom_table_end + sizeof(acpi_rsdp_t), 16);
	} else {
		rom_table_end = write_acpi_tables(rom_table_end);
		rom_table_end = ALIGN(rom_table_end, 1024);
	}

#endif
#define MAX_SMBIOS_SIZE 2048
#if CONFIG_GENERATE_SMBIOS_TABLES
	high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_SMBIOS, MAX_SMBIOS_SIZE);
	if (high_table_pointer) {
		unsigned long new_high_table_pointer;

		new_high_table_pointer = smbios_write_tables(high_table_pointer);
		rom_table_end = ALIGN(rom_table_end, 16);
		memcpy((void *)rom_table_end, (void *)high_table_pointer, sizeof(struct smbios_entry));
		rom_table_end += sizeof(struct smbios_entry);

		if (new_high_table_pointer > ( high_table_pointer + MAX_SMBIOS_SIZE)) {
			printk(BIOS_ERR, "ERROR: Increase SMBIOS size\n");
		}
                printk(BIOS_DEBUG, "SMBIOS tables: %ld bytes.\n",
				new_high_table_pointer - high_table_pointer);
	} else {
		unsigned long new_rom_table_end = smbios_write_tables(rom_table_end);
		printk(BIOS_DEBUG, "SMBIOS size %ld bytes\n", new_rom_table_end - rom_table_end);
		rom_table_end = ALIGN(new_rom_table_end, 16);
	}
#endif

	post_code(0x9e);

#define MAX_COREBOOT_TABLE_SIZE (32 * 1024)
	post_code(0x9d);

	high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_CBTABLE, MAX_COREBOOT_TABLE_SIZE);

	if (high_table_pointer) {
		unsigned long new_high_table_pointer;

		/* FIXME: The high_table_base parameter is not reference when tables are high,
		 * or high_table_pointer >1 MB.
		 */
#if CONFIG_DYNAMIC_CBMEM
		u64 fixme_high_tables_base = 0;
#else
		u64 fixme_high_tables_base = (u32)get_cbmem_toc();
#endif

		/* Also put a forwarder entry into 0-4K */
		new_high_table_pointer = write_coreboot_table(low_table_start, low_table_end,
				fixme_high_tables_base, high_table_pointer);

		if (new_high_table_pointer > (high_table_pointer +
					MAX_COREBOOT_TABLE_SIZE))
			printk(BIOS_ERR, "%s: coreboot table didn't fit (%lx)\n",
				   __func__, new_high_table_pointer -
				   high_table_pointer);

                printk(BIOS_DEBUG, "coreboot table: %ld bytes.\n",
				new_high_table_pointer - high_table_pointer);
	} else {
		/* The coreboot table must be in 0-4K or 960K-1M */
		rom_table_end = write_coreboot_table(
				     low_table_start, low_table_end,
				     rom_table_start, rom_table_end);
	}

	/* Print CBMEM sections */
	cbmem_list();
}