boot-132.tar.gz

[apple/boot.git] / i386 / libsaio / bootstruct.h

diff --git a/i386/libsaio/bootstruct.h b/i386/libsaio/bootstruct.h
index e67002a284350ba4fc373eb18b3a1f70c300127e..32711a6c535834f78047210c4ee9ce13996060bc 100644 (file)
--- a/i386/libsaio/bootstruct.h
+++ b/i386/libsaio/bootstruct.h
@@ -22,6 +22,89 @@
  * @APPLE_LICENSE_HEADER_END@
  */
 
+#ifndef __BOOTSTRUCT_H
+#define __BOOTSTRUCT_H
+
 #include <pexpert/i386/boot.h>
 
-extern KernelBootArgs_t *bootArgs;
+#include "bios.h"
+#include "device_tree.h"
+
+extern boot_args *bootArgs;
+extern Node *gMemoryMapNode;
+
+/*
+ * Maximum number of boot drivers that can be loaded.
+ */
+#define NDRIVERS  500
+
+#define CONFIG_SIZE (12 * 4096)
+
+#define kMemoryMapCountMax 40
+
+/*
+ * PCI bus information.
+ */
+typedef struct _PCI_bus_info_t {
+    union {
+        struct {
+            unsigned char configMethod1 :1;
+            unsigned char configMethod2 :1;
+            unsigned char               :2;
+            unsigned char specialCycle1 :1;
+            unsigned char specialCycle2 :1;
+        } s;
+        unsigned char d;
+    } u_bus;
+    unsigned char maxBusNum;
+    unsigned char majorVersion;
+    unsigned char minorVersion;
+    unsigned char BIOSPresent;
+} PCI_bus_info_t;
+
+typedef struct {
+    unsigned long address;  // address where driver was loaded
+    unsigned long size;     // number of bytes
+    unsigned long type;     // driver type
+} driver_config_t;
+
+/*
+ * INT15, E820h - Query System Address Map.
+ *
+ * Documented in ACPI Specification Rev 2.0,
+ * Chapter 15 (System Address Map Interfaces).
+ */
+
+/*
+ * ACPI defined memory range types.
+ */
+enum {
+    kMemoryRangeUsable   = 1,    // RAM usable by the OS.
+    kMemoryRangeReserved = 2,    // Reserved. (Do not use)
+    kMemoryRangeACPI     = 3,    // ACPI tables. Can be reclaimed.
+    kMemoryRangeNVS      = 4,    // ACPI NVS memory. (Do not use)
+
+    /* Undefined types should be treated as kMemoryRangeReserved */
+};
+
+typedef struct PrivateBootInfo {
+    int              kernDev;                      // device kernel was fetched from
+
+    int              convmem;                      // conventional memory
+    int              extmem;                       // extended memory
+    int              numBootDrivers;               // number of drivers loaded
+    char             bootFile[128];                // kernel file name
+
+    unsigned long    memoryMapCount;
+    MemoryRange      memoryMap[kMemoryMapCountMax];
+
+    PCI_bus_info_t   pciInfo;
+
+    driver_config_t  driverConfig[NDRIVERS];
+    char *           configEnd;                    // pointer to end of config files
+    char             config[CONFIG_SIZE];
+} PrivateBootInfo_t;
+
+extern PrivateBootInfo_t *bootInfo;
+
+#endif /* __BOOTSTRUCT_H */