diff options
Diffstat (limited to 'pc-bios/bios-pq/0005_hpet.patch')
| -rw-r--r-- | pc-bios/bios-pq/0005_hpet.patch | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/pc-bios/bios-pq/0005_hpet.patch b/pc-bios/bios-pq/0005_hpet.patch deleted file mode 100644 index 9347cb501..000000000 --- a/pc-bios/bios-pq/0005_hpet.patch +++ /dev/null @@ -1,190 +0,0 @@ -BOCHS BIOS changes to support HPET in QEMU. - -Signed-off-by Beth Kon <eak@us.ibm.com> - -Index: bochs-2.3.7/bios/acpi-dsdt.dsl -=================================================================== ---- bochs-2.3.7.orig/bios/acpi-dsdt.dsl 2008-10-15 12:39:14.000000000 -0500 -+++ bochs-2.3.7/bios/acpi-dsdt.dsl 2008-10-28 07:58:40.000000000 -0500 -@@ -159,6 +159,26 @@ - Return (MEMP) - } - } -+#ifdef BX_QEMU -+ Device(HPET) { -+ Name(_HID, EISAID("PNP0103")) -+ Name(_UID, 0) -+ Method (_STA, 0, NotSerialized) { -+ Return(0x0F) -+ } -+ Name(_CRS, ResourceTemplate() { -+ DWordMemory( -+ ResourceConsumer, PosDecode, MinFixed, MaxFixed, -+ NonCacheable, ReadWrite, -+ 0x00000000, -+ 0xFED00000, -+ 0xFED003FF, -+ 0x00000000, -+ 0x00000400 /* 1K memory: FED00000 - FED003FF */ -+ ) -+ }) -+ } -+#endif - } - - Scope(\_SB.PCI0) { -Index: bochs-2.3.7/bios/rombios32.c -=================================================================== ---- bochs-2.3.7.orig/bios/rombios32.c 2008-10-15 12:39:36.000000000 -0500 -+++ bochs-2.3.7/bios/rombios32.c 2008-11-12 14:41:41.000000000 -0600 -@@ -1087,7 +1087,11 @@ - struct rsdt_descriptor_rev1 - { - ACPI_TABLE_HEADER_DEF /* ACPI common table header */ -+#ifdef BX_QEMU -+ uint32_t table_offset_entry [4]; /* Array of pointers to other */ -+#else - uint32_t table_offset_entry [3]; /* Array of pointers to other */ -+#endif - /* ACPI tables */ - }; - -@@ -1227,6 +1231,32 @@ - #endif - }; - -+#ifdef BX_QEMU -+/* -+ * * ACPI 2.0 Generic Address Space definition. -+ * */ -+struct acpi_20_generic_address { -+ uint8_t address_space_id; -+ uint8_t register_bit_width; -+ uint8_t register_bit_offset; -+ uint8_t reserved; -+ uint64_t address; -+}; -+ -+/* -+ * * HPET Description Table -+ * */ -+struct acpi_20_hpet { -+ ACPI_TABLE_HEADER_DEF /* ACPI common table header */ -+ uint32_t timer_block_id; -+ struct acpi_20_generic_address addr; -+ uint8_t hpet_number; -+ uint16_t min_tick; -+ uint8_t page_protect; -+}; -+#define ACPI_HPET_ADDRESS 0xFED00000UL -+#endif -+ - struct madt_io_apic - { - APIC_HEADER_DEF -@@ -1237,6 +1267,17 @@ - * lines start */ - }; - -+#ifdef BX_QEMU -+struct madt_int_override -+{ -+ APIC_HEADER_DEF -+ uint8_t bus; /* Identifies ISA Bus */ -+ uint8_t source; /* Bus-relative interrupt source */ -+ uint32_t gsi; /* GSI that source will signal */ -+ uint16_t flags; /* MPS INTI flags */ -+}; -+#endif -+ - #include "acpi-dsdt.hex" - - static inline uint16_t cpu_to_le16(uint16_t x) -@@ -1342,6 +1383,10 @@ - struct facs_descriptor_rev1 *facs; - struct multiple_apic_table *madt; - uint8_t *dsdt, *ssdt; -+#ifdef BX_QEMU -+ struct acpi_20_hpet *hpet; -+ 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; -@@ -1384,10 +1429,21 @@ - madt_addr = addr; - madt_size = sizeof(*madt) + - sizeof(struct madt_processor_apic) * smp_cpus + -+#ifdef BX_QEMU -+ sizeof(struct madt_io_apic) + sizeof(struct madt_int_override); -+#else - sizeof(struct madt_io_apic); -+#endif - madt = (void *)(addr); - addr += madt_size; - -+#ifdef BX_QEMU -+ addr = (addr + 7) & ~7; -+ hpet_addr = addr; -+ hpet = (void *)(addr); -+ 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", -@@ -1410,6 +1466,9 @@ - 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); - -@@ -1448,6 +1507,9 @@ - { - struct madt_processor_apic *apic; - struct madt_io_apic *io_apic; -+#ifdef BX_QEMU -+ struct madt_int_override *int_override; -+#endif - - memset(madt, 0, madt_size); - madt->local_apic_address = cpu_to_le32(0xfee00000); -@@ -1467,10 +1529,34 @@ - io_apic->io_apic_id = smp_cpus; - io_apic->address = cpu_to_le32(0xfec00000); - io_apic->interrupt = cpu_to_le32(0); -+#ifdef BX_QEMU -+ io_apic++; -+ -+ int_override = (void *)io_apic; -+ int_override->type = APIC_XRUPT_OVERRIDE; -+ int_override->length = sizeof(*int_override); -+ int_override->bus = cpu_to_le32(0); -+ int_override->source = cpu_to_le32(0); -+ int_override->gsi = cpu_to_le32(2); -+ int_override->flags = cpu_to_le32(0); -+#endif - - acpi_build_table_header((struct acpi_table_header *)madt, - "APIC", madt_size, 1); - } -+ -+#ifdef BX_QEMU -+ /* HPET */ -+ memset(hpet, 0, sizeof(*hpet)); -+ /* Note timer_block_id value must be kept in sync with value advertised by -+ * emulated hpet -+ */ -+ hpet->timer_block_id = cpu_to_le32(0x8086a201); -+ hpet->addr.address = cpu_to_le32(ACPI_HPET_ADDRESS); -+ acpi_build_table_header((struct acpi_table_header *)hpet, -+ "HPET", sizeof(*hpet), 1); -+#endif -+ - } - - /* SMBIOS entry point -- must be written to a 16-bit aligned address |