diff options
Diffstat (limited to 'qemu/roms/seabios/src/fw/mptable.c')
| -rw-r--r-- | qemu/roms/seabios/src/fw/mptable.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/qemu/roms/seabios/src/fw/mptable.c b/qemu/roms/seabios/src/fw/mptable.c deleted file mode 100644 index 8e01e0043..000000000 --- a/qemu/roms/seabios/src/fw/mptable.c +++ /dev/null @@ -1,196 +0,0 @@ -// MPTable generation (on emulators) -// DO NOT ADD NEW FEATURES HERE. (See paravirt.c / biostables.c instead.) -// -// Copyright (C) 2008-2010 Kevin O'Connor <kevin@koconnor.net> -// Copyright (C) 2006 Fabrice Bellard -// -// This file may be distributed under the terms of the GNU LGPLv3 license. - -#include "config.h" // CONFIG_* -#include "hw/pci.h" -#include "hw/pci_regs.h" -#include "malloc.h" // free -#include "output.h" // dprintf -#include "romfile.h" // romfile_loadint -#include "std/mptable.h" // MPTABLE_SIGNATURE -#include "string.h" // memset -#include "util.h" // MaxCountCPUs -#include "x86.h" // cpuid - -void -mptable_setup(void) -{ - if (! CONFIG_MPTABLE) - return; - - dprintf(3, "init MPTable\n"); - - // Config structure in temp area. - struct mptable_config_s *config = malloc_tmp(32*1024); - if (!config) { - warn_noalloc(); - return; - } - memset(config, 0, sizeof(*config)); - config->signature = MPCONFIG_SIGNATURE; - config->spec = 4; - memcpy(config->oemid, BUILD_CPUNAME8, sizeof(config->oemid)); - memcpy(config->productid, "0.1 ", sizeof(config->productid)); - config->lapic = BUILD_APIC_ADDR; - - // Detect cpu info - u32 cpuid_signature, ebx, ecx, cpuid_features; - cpuid(1, &cpuid_signature, &ebx, &ecx, &cpuid_features); - if (! cpuid_signature) { - // Use default values. - cpuid_signature = 0x600; - cpuid_features = 0x201; - } - int pkgcpus = 1; - if (cpuid_features & (1 << 28)) { - /* Only populate the MPS tables with the first logical CPU in - each package */ - pkgcpus = (ebx >> 16) & 0xff; - pkgcpus = 1 << (__fls(pkgcpus - 1) + 1); /* round up to power of 2 */ - } - u8 apic_version = readl((u8*)BUILD_APIC_ADDR + 0x30) & 0xff; - - // CPU definitions. - struct mpt_cpu *cpus = (void*)&config[1], *cpu = cpus; - int i; - for (i = 0; i < MaxCountCPUs; i+=pkgcpus) { - memset(cpu, 0, sizeof(*cpu)); - cpu->type = MPT_TYPE_CPU; - cpu->apicid = i; - cpu->apicver = apic_version; - /* cpu flags: enabled, bootstrap cpu */ - cpu->cpuflag = (apic_id_is_present(i) ? 0x01 : 0x00) | ((i==0) ? 0x02 : 0x00); - cpu->cpusignature = cpuid_signature; - cpu->featureflag = cpuid_features; - cpu++; - } - int entrycount = cpu - cpus; - - // PCI bus - struct mpt_bus *buses = (void*)cpu, *bus = buses; - if (!hlist_empty(&PCIDevices)) { - memset(bus, 0, sizeof(*bus)); - bus->type = MPT_TYPE_BUS; - bus->busid = 0; - memcpy(bus->bustype, "PCI ", sizeof(bus->bustype)); - bus++; - entrycount++; - } - - /* isa bus */ - int isabusid = bus - buses; - memset(bus, 0, sizeof(*bus)); - bus->type = MPT_TYPE_BUS; - bus->busid = isabusid; - memcpy(bus->bustype, "ISA ", sizeof(bus->bustype)); - bus++; - entrycount++; - - /* ioapic */ - u8 ioapic_id = BUILD_IOAPIC_ID; - struct mpt_ioapic *ioapic = (void*)bus; - memset(ioapic, 0, sizeof(*ioapic)); - ioapic->type = MPT_TYPE_IOAPIC; - ioapic->apicid = ioapic_id; - ioapic->apicver = 0x11; - ioapic->flags = 1; // enable - ioapic->apicaddr = BUILD_IOAPIC_ADDR; - entrycount++; - - /* irqs */ - struct mpt_intsrc *intsrcs = (void*)&ioapic[1], *intsrc = intsrcs; - int dev = -1; - unsigned short pinmask = 0; - - struct pci_device *pci; - foreachpci(pci) { - u16 bdf = pci->bdf; - if (pci_bdf_to_bus(bdf) != 0) - break; - int pin = pci_config_readb(bdf, PCI_INTERRUPT_PIN); - int irq = pci_config_readb(bdf, PCI_INTERRUPT_LINE); - if (pin == 0) - continue; - if (dev != pci_bdf_to_busdev(bdf)) { - dev = pci_bdf_to_busdev(bdf); - pinmask = 0; - } - if (pinmask & (1 << pin)) /* pin was seen already */ - continue; - pinmask |= (1 << pin); - memset(intsrc, 0, sizeof(*intsrc)); - intsrc->type = MPT_TYPE_INTSRC; - intsrc->irqtype = 0; /* INT */ - intsrc->irqflag = 1; /* active high */ - intsrc->srcbus = pci_bdf_to_bus(bdf); /* PCI bus */ - intsrc->srcbusirq = (pci_bdf_to_dev(bdf) << 2) | (pin - 1); - intsrc->dstapic = ioapic_id; - intsrc->dstirq = irq; - intsrc++; - } - - int irq0_override = romfile_loadint("etc/irq0-override", 0); - for (i = 0; i < 16; i++) { - memset(intsrc, 0, sizeof(*intsrc)); - if (BUILD_PCI_IRQS & (1 << i)) - continue; - intsrc->type = MPT_TYPE_INTSRC; - intsrc->irqtype = 0; /* INT */ - intsrc->irqflag = 0; /* conform to bus spec */ - intsrc->srcbus = isabusid; /* ISA bus */ - intsrc->srcbusirq = i; - intsrc->dstapic = ioapic_id; - intsrc->dstirq = i; - if (irq0_override) { - /* Destination 2 is covered by irq0->inti2 override (i == - 0). Source IRQ 2 is unused */ - if (i == 0) - intsrc->dstirq = 2; - else if (i == 2) - intsrc--; - } - intsrc++; - } - - /* Local interrupt assignment */ - intsrc->type = MPT_TYPE_LOCAL_INT; - intsrc->irqtype = 3; /* ExtINT */ - intsrc->irqflag = 0; /* PO, EL default */ - intsrc->srcbus = isabusid; /* ISA */ - intsrc->srcbusirq = 0; - intsrc->dstapic = 0; /* BSP == APIC #0 */ - intsrc->dstirq = 0; /* LINTIN0 */ - intsrc++; - - intsrc->type = MPT_TYPE_LOCAL_INT; - intsrc->irqtype = 1; /* NMI */ - intsrc->irqflag = 0; /* PO, EL default */ - intsrc->srcbus = isabusid; /* ISA */ - intsrc->srcbusirq = 0; - intsrc->dstapic = 0xff; /* to all local APICs */ - intsrc->dstirq = 1; /* LINTIN1 */ - intsrc++; - entrycount += intsrc - intsrcs; - - // Finalize config structure. - int length = (void*)intsrc - (void*)config; - config->entrycount = entrycount; - config->length = length; - config->checksum -= checksum(config, length); - - // floating pointer structure - struct mptable_floating_s floating; - memset(&floating, 0, sizeof(floating)); - floating.signature = MPTABLE_SIGNATURE; - floating.physaddr = (u32)config; - floating.length = 1; - floating.spec_rev = 4; - floating.checksum -= checksum(&floating, sizeof(floating)); - copy_mptable(&floating); - free(config); -} |