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authorAnthony Liguori <aliguori@us.ibm.com>2009-09-04 10:13:29 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2009-09-04 10:13:29 -0500
commitc34ebfdc8715f03d53e154758423c902324fee06 (patch)
treeba773bcd12f7c24519ce5ee804df27696a48a90e /pc-bios/bios-pq/0011_read-additional-acpi-tables-from-a-vm.patch
parentae027ad3c5ea9a041f46c22bcb52e879645ed171 (diff)
Bring pcbios, seabios, and vgabios into the tree as git submodules. Right now,
they aren't integrated into the build but we can do that incrementally. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'pc-bios/bios-pq/0011_read-additional-acpi-tables-from-a-vm.patch')
-rw-r--r--pc-bios/bios-pq/0011_read-additional-acpi-tables-from-a-vm.patch150
1 files changed, 0 insertions, 150 deletions
diff --git a/pc-bios/bios-pq/0011_read-additional-acpi-tables-from-a-vm.patch b/pc-bios/bios-pq/0011_read-additional-acpi-tables-from-a-vm.patch
deleted file mode 100644
index 1aa09fdd2a..0000000000
--- a/pc-bios/bios-pq/0011_read-additional-acpi-tables-from-a-vm.patch
+++ /dev/null
@@ -1,150 +0,0 @@
-Read additional ACPI tables from a VM (Gleb Natapov)
-
-Signed-off-by: Gleb Natapov <gleb@redhat.com>
-Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
-
-diff --git a/bios/rombios32.c b/bios/rombios32.c
-index 27c5952..7be4216 100644
---- a/bios/rombios32.c
-+++ b/bios/rombios32.c
-@@ -469,6 +469,8 @@ void wrmsr_smp(uint32_t index, uint64_t val)
- #define QEMU_CFG_SIGNATURE 0x00
- #define QEMU_CFG_ID 0x01
- #define QEMU_CFG_UUID 0x02
-+#define QEMU_CFG_ARCH_LOCAL 0x8000
-+#define QEMU_CFG_ACPI_TABLES (QEMU_CFG_ARCH_LOCAL + 0)
-
- int qemu_cfg_port;
-
-@@ -496,6 +498,27 @@ void qemu_cfg_read(uint8_t *buf, int len)
- while (len--)
- *(buf++) = inb(QEMU_CFG_DATA_PORT);
- }
-+
-+static uint16_t acpi_additional_tables(void)
-+{
-+ uint16_t cnt;
-+
-+ qemu_cfg_select(QEMU_CFG_ACPI_TABLES);
-+ qemu_cfg_read((uint8_t*)&cnt, sizeof(cnt));
-+
-+ return cnt;
-+}
-+
-+static int acpi_load_table(int i, uint32_t addr, uint16_t *len)
-+{
-+ qemu_cfg_read((uint8_t*)len, sizeof(*len));
-+
-+ if (!*len)
-+ return -1;
-+
-+ qemu_cfg_read((uint8_t*)addr, *len);
-+ return 0;
-+}
- #endif
-
- void uuid_probe(void)
-@@ -1550,8 +1573,8 @@ void acpi_bios_init(void)
- uint32_t hpet_addr;
- #endif
- uint32_t base_addr, rsdt_addr, fadt_addr, addr, facs_addr, dsdt_addr, ssdt_addr;
-- uint32_t acpi_tables_size, madt_addr, madt_size;
-- int i;
-+ uint32_t acpi_tables_size, madt_addr, madt_size, rsdt_size;
-+ uint16_t i, external_tables;
-
- /* reserve memory space for tables */
- #ifdef BX_USE_EBDA_TABLES
-@@ -1564,10 +1587,17 @@ void acpi_bios_init(void)
- bios_table_cur_addr += sizeof(*rsdp);
- #endif
-
-+#ifdef BX_QEMU
-+ external_tables = acpi_additional_tables();
-+#else
-+ external_tables = 0;
-+#endif
-+
- addr = base_addr = ram_size - ACPI_DATA_SIZE;
- rsdt_addr = addr;
- rsdt = (void *)(addr);
-- addr += sizeof(*rsdt);
-+ rsdt_size = sizeof(*rsdt) + external_tables * 4;
-+ addr += rsdt_size;
-
- fadt_addr = addr;
- fadt = (void *)(addr);
-@@ -1606,12 +1636,6 @@ void acpi_bios_init(void)
- addr += sizeof(*hpet);
- #endif
-
-- acpi_tables_size = addr - base_addr;
--
-- BX_INFO("ACPI tables: RSDP addr=0x%08lx ACPI DATA addr=0x%08lx size=0x%x\n",
-- (unsigned long)rsdp,
-- (unsigned long)rsdt, acpi_tables_size);
--
- /* RSDP */
- memset(rsdp, 0, sizeof(*rsdp));
- memcpy(rsdp->signature, "RSD PTR ", 8);
-@@ -1623,17 +1647,6 @@ void acpi_bios_init(void)
- rsdp->rsdt_physical_address = cpu_to_le32(rsdt_addr);
- rsdp->checksum = acpi_checksum((void *)rsdp, 20);
-
-- /* RSDT */
-- memset(rsdt, 0, sizeof(*rsdt));
-- rsdt->table_offset_entry[0] = cpu_to_le32(fadt_addr);
-- rsdt->table_offset_entry[1] = cpu_to_le32(madt_addr);
-- rsdt->table_offset_entry[2] = cpu_to_le32(ssdt_addr);
--#ifdef BX_QEMU
-- rsdt->table_offset_entry[3] = cpu_to_le32(hpet_addr);
--#endif
-- acpi_build_table_header((struct acpi_table_header *)rsdt,
-- "RSDT", sizeof(*rsdt), 1);
--
- /* FADT */
- memset(fadt, 0, sizeof(*fadt));
- fadt->firmware_ctrl = cpu_to_le32(facs_addr);
-@@ -1710,6 +1723,7 @@ void acpi_bios_init(void)
- "APIC", madt_size, 1);
- }
-
-+ memset(rsdt, 0, rsdt_size);
- #ifdef BX_QEMU
- /* HPET */
- memset(hpet, 0, sizeof(*hpet));
-@@ -1720,7 +1734,34 @@ void acpi_bios_init(void)
- hpet->addr.address = cpu_to_le32(ACPI_HPET_ADDRESS);
- acpi_build_table_header((struct acpi_table_header *)hpet,
- "HPET", sizeof(*hpet), 1);
-+
-+ acpi_additional_tables(); /* resets cfg to required entry */
-+ for(i = 0; i < external_tables; i++) {
-+ uint16_t len;
-+ if(acpi_load_table(i, addr, &len) < 0)
-+ BX_PANIC("Failed to load ACPI table from QEMU\n");
-+ rsdt->table_offset_entry[i+4] = cpu_to_le32(addr);
-+ addr += len;
-+ if(addr >= ram_size)
-+ BX_PANIC("ACPI table overflow\n");
-+ }
-+#endif
-+
-+ /* RSDT */
-+ rsdt->table_offset_entry[0] = cpu_to_le32(fadt_addr);
-+ rsdt->table_offset_entry[1] = cpu_to_le32(madt_addr);
-+ rsdt->table_offset_entry[2] = cpu_to_le32(ssdt_addr);
-+#ifdef BX_QEMU
-+ rsdt->table_offset_entry[3] = cpu_to_le32(hpet_addr);
- #endif
-+ acpi_build_table_header((struct acpi_table_header *)rsdt,
-+ "RSDT", rsdt_size, 1);
-+
-+ acpi_tables_size = addr - base_addr;
-+
-+ BX_INFO("ACPI tables: RSDP addr=0x%08lx ACPI DATA addr=0x%08lx size=0x%x\n",
-+ (unsigned long)rsdp,
-+ (unsigned long)rsdt, acpi_tables_size);
-
- }
-