aboutsummaryrefslogtreecommitdiff
path: root/hw/pc.c
diff options
context:
space:
mode:
authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-09-24 18:48:00 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-09-24 18:48:00 +0000
commita5954d5c34502ebeaae95b8719a734066f596f1e (patch)
treecd73ee36044215a6db4d5eeef3c7c47f65a4b5ee /hw/pc.c
parentf537a28c9747d5b8864dabf7dda4972a9ec4687c (diff)
moved MP table init to BIOS
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2172 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/pc.c')
-rw-r--r--hw/pc.c178
1 files changed, 15 insertions, 163 deletions
diff --git a/hw/pc.c b/hw/pc.c
index b233d8cd01..ab235c7ee9 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -40,6 +40,7 @@ static fdctrl_t *floppy_controller;
static RTCState *rtc_state;
static PITState *pit;
static IOAPICState *ioapic;
+static PCIDevice *i440fx_state;
static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)
{
@@ -73,6 +74,14 @@ uint64_t cpu_get_tsc(CPUX86State *env)
}
}
+/* SMM support */
+void cpu_smm_update(CPUState *env)
+{
+ if (i440fx_state && env == first_cpu)
+ i440fx_set_smm(i440fx_state, (env->hflags >> HF_SMM_SHIFT) & 1);
+}
+
+
/* IRQ handling */
int cpu_get_pic_interrupt(CPUState *env)
{
@@ -398,156 +407,6 @@ static void main_cpu_reset(void *opaque)
cpu_reset(env);
}
-/*************************************************/
-
-static void putb(uint8_t **pp, int val)
-{
- uint8_t *q;
- q = *pp;
- *q++ = val;
- *pp = q;
-}
-
-static void putstr(uint8_t **pp, const char *str)
-{
- uint8_t *q;
- q = *pp;
- while (*str)
- *q++ = *str++;
- *pp = q;
-}
-
-static void putle16(uint8_t **pp, int val)
-{
- uint8_t *q;
- q = *pp;
- *q++ = val;
- *q++ = val >> 8;
- *pp = q;
-}
-
-static void putle32(uint8_t **pp, int val)
-{
- uint8_t *q;
- q = *pp;
- *q++ = val;
- *q++ = val >> 8;
- *q++ = val >> 16;
- *q++ = val >> 24;
- *pp = q;
-}
-
-static int mpf_checksum(const uint8_t *data, int len)
-{
- int sum, i;
- sum = 0;
- for(i = 0; i < len; i++)
- sum += data[i];
- return sum & 0xff;
-}
-
-/* Build the Multi Processor table in the BIOS. Same values as Bochs. */
-static void bios_add_mptable(uint8_t *bios_data)
-{
- uint8_t *mp_config_table, *q, *float_pointer_struct;
- int ioapic_id, offset, i, len;
-
- if (smp_cpus <= 1)
- return;
-
- mp_config_table = bios_data + 0xb000;
- q = mp_config_table;
- putstr(&q, "PCMP"); /* "PCMP signature */
- putle16(&q, 0); /* table length (patched later) */
- putb(&q, 4); /* spec rev */
- putb(&q, 0); /* checksum (patched later) */
- putstr(&q, "QEMUCPU "); /* OEM id */
- putstr(&q, "0.1 "); /* vendor id */
- putle32(&q, 0); /* OEM table ptr */
- putle16(&q, 0); /* OEM table size */
- putle16(&q, 20); /* entry count */
- putle32(&q, 0xfee00000); /* local APIC addr */
- putle16(&q, 0); /* ext table length */
- putb(&q, 0); /* ext table checksum */
- putb(&q, 0); /* reserved */
-
- for(i = 0; i < smp_cpus; i++) {
- putb(&q, 0); /* entry type = processor */
- putb(&q, i); /* APIC id */
- putb(&q, 0x11); /* local APIC version number */
- if (i == 0)
- putb(&q, 3); /* cpu flags: enabled, bootstrap cpu */
- else
- putb(&q, 1); /* cpu flags: enabled */
- putb(&q, 0); /* cpu signature */
- putb(&q, 6);
- putb(&q, 0);
- putb(&q, 0);
- putle16(&q, 0x201); /* feature flags */
- putle16(&q, 0);
-
- putle16(&q, 0); /* reserved */
- putle16(&q, 0);
- putle16(&q, 0);
- putle16(&q, 0);
- }
-
- /* isa bus */
- putb(&q, 1); /* entry type = bus */
- putb(&q, 0); /* bus ID */
- putstr(&q, "ISA ");
-
- /* ioapic */
- ioapic_id = smp_cpus;
- putb(&q, 2); /* entry type = I/O APIC */
- putb(&q, ioapic_id); /* apic ID */
- putb(&q, 0x11); /* I/O APIC version number */
- putb(&q, 1); /* enable */
- putle32(&q, 0xfec00000); /* I/O APIC addr */
-
- /* irqs */
- for(i = 0; i < 16; i++) {
- putb(&q, 3); /* entry type = I/O interrupt */
- putb(&q, 0); /* interrupt type = vectored interrupt */
- putb(&q, 0); /* flags: po=0, el=0 */
- putb(&q, 0);
- putb(&q, 0); /* source bus ID = ISA */
- putb(&q, i); /* source bus IRQ */
- putb(&q, ioapic_id); /* dest I/O APIC ID */
- putb(&q, i); /* dest I/O APIC interrupt in */
- }
- /* patch length */
- len = q - mp_config_table;
- mp_config_table[4] = len;
- mp_config_table[5] = len >> 8;
-
- mp_config_table[7] = -mpf_checksum(mp_config_table, q - mp_config_table);
-
- /* align to 16 */
- offset = q - bios_data;
- offset = (offset + 15) & ~15;
- float_pointer_struct = bios_data + offset;
-
- /* floating pointer structure */
- q = float_pointer_struct;
- putstr(&q, "_MP_");
- /* pointer to MP config table */
- putle32(&q, mp_config_table - bios_data + 0x000f0000);
-
- putb(&q, 1); /* length in 16 byte units */
- putb(&q, 4); /* MP spec revision */
- putb(&q, 0); /* checksum (patched later) */
- putb(&q, 0); /* MP feature byte 1 */
-
- putb(&q, 0);
- putb(&q, 0);
- putb(&q, 0);
- putb(&q, 0);
- float_pointer_struct[10] =
- -mpf_checksum(float_pointer_struct, q - float_pointer_struct);
-}
-
-
static const int ide_iobase[2] = { 0x1f0, 0x170 };
static const int ide_iobase2[2] = { 0x3f6, 0x376 };
static const int ide_irq[2] = { 14, 15 };
@@ -632,7 +491,7 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
/* XXX: enable it in all cases */
env->cpuid_features |= CPUID_APIC;
}
- register_savevm("cpu", i, 3, cpu_save, cpu_load, env);
+ register_savevm("cpu", i, 4, cpu_save, cpu_load, env);
qemu_register_reset(main_cpu_reset, env);
if (pci_enabled) {
apic_init(env);
@@ -659,9 +518,6 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
fprintf(stderr, "qemu: could not load PC bios '%s'\n", buf);
exit(1);
}
- if (bios_size == 65536) {
- bios_add_mptable(phys_ram_base + bios_offset);
- }
/* VGA BIOS load */
if (cirrus_vga_enabled) {
@@ -747,7 +603,7 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
}
if (pci_enabled) {
- pci_bus = i440fx_init();
+ pci_bus = i440fx_init(&i440fx_state);
piix3_devfn = piix3_init(pci_bus);
} else {
pci_bus = NULL;
@@ -850,7 +706,10 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
if (pci_enabled && acpi_enabled) {
piix4_pm_init(pci_bus, piix3_devfn + 3);
}
-
+
+ if (i440fx_state) {
+ i440fx_init_memory_mappings(i440fx_state);
+ }
#if 0
/* ??? Need to figure out some way for the user to
specify SCSI devices. */
@@ -868,13 +727,6 @@ static void pc_init1(int ram_size, int vga_ram_size, int boot_device,
lsi_scsi_attach(scsi, bdrv, -1);
}
#endif
- /* must be done after all PCI devices are instanciated */
- /* XXX: should be done in the Bochs BIOS */
- if (pci_enabled) {
- pci_bios_init();
- if (acpi_enabled)
- acpi_bios_init();
- }
}
static void pc_init_pci(int ram_size, int vga_ram_size, int boot_device,