Changeset ed0dd65 in mainline for arch/ia32/src/acpi

Timestamp:

2005-04-30T16:47:17Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

30ef8ce

Parents:

10a2e22

Message:

More ACPI work.
Initial MADT table parsing.

SMP renaming and reorganization to reflect there are more ways to bring SMP up.

Location:

arch/ia32/src/acpi

Files:

• acpi.c (modified) (1 diff)
• madt.c (modified) (1 diff)

arch/ia32/src/acpi/acpi.c

@@ -79 +79 @@
 void map_sdt(struct acpi_sdt_header *sdt)
 {
+        int i, cnt, length;
+
         map_page_to_frame((__address) sdt, (__address) sdt, PAGE_NOT_CACHEABLE, 0);
+        
+        length = sdt->length + ((__address) sdt) - ((__address) sdt)&0xfffff000;
+        cnt = length/PAGE_SIZE + (length%PAGE_SIZE>0);
+        
+        for (i = 1; i < cnt; i++)
+                map_page_to_frame(((__address) sdt) + i*PAGE_SIZE, ((__address) sdt) + i*PAGE_SIZE, PAGE_NOT_CACHEABLE, 0);
 }
 

arch/ia32/src/acpi/madt.c

@@ -27 +27 @@
  */
 
+#include <arch/types.h>
 #include <arch/acpi/acpi.h>
 #include <arch/acpi/madt.h>
+#include <arch/smp/apic.h>
 
 struct acpi_madt *acpi_madt = NULL;
+
+#ifdef __SMP__
+
+char *entry[] = {
+        "L_APIC",
+        "IO_APIC",
+        "INTR_SRC_OVRD",
+        "NMI_SRC",
+        "L_APIC_NMI",
+        "L_APIC_ADDR_OVRD",
+        "IO_SAPIC",
+        "L_SAPIC",
+        "PLATFORM_INTR_SRC"
+};
+
+void acpi_madt_parse(void)
+{
+        struct madt_apic_header *end = (struct madt_apic_header *) (((__u8 *) acpi_madt) + acpi_madt->header.length);
+        struct madt_apic_header *h = &acpi_madt->apic_header[0];
+
+        l_apic = (__u32 *) acpi_madt->l_apic_address;
+
+        while (h < end) {
+                switch (h->type) {
+                        case MADT_L_APIC:
+                        case MADT_IO_APIC:
+                        case MADT_INTR_SRC_OVRD:
+                        case MADT_NMI_SRC:
+                        case MADT_L_APIC_NMI:
+                        case MADT_L_APIC_ADDR_OVRD:
+                        case MADT_IO_SAPIC:
+                        case MADT_L_SAPIC:
+                        case MADT_PLATFORM_INTR_SRC:
+                                printf("MADT: skipping %s entry (type=%d)\n", entry[h->type], h->type);
+                                break;
+
+                        default:
+                                if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) {
+                                        printf("MADT: skipping reserved entry (type=%d)\n", h->type);
+                                }
+                                if (h->type >= MADT_RESERVED_OEM_BEGIN) {
+                                        printf("MADT: skipping OEM entry (type=%d)\n", h->type);
+                                }
+                                break;
+                }
+                h = (struct madt_apic_header *) (((__u8 *) h) + h->length);
+        }
+
+}
+
+#endif /* __SMP__ */