moved MP table init to BIOS

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2172 c046a42c-6fe2-441c-8c8c-71466251a162

moved MP table init to BIOS
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2172 c046a42c-6fe2-441c-8c8c-71466251a162
bellard
1 parent f537a28c
Showing 1 changed file with 15 additions and 163 deletions
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,