original files of m241

vxworks-6.9/target/h/hwif/fw/bios/vxBiosE820Lib.h

@@ -0,0 +1,134 @@
+/* vxBiosE820Lib.h - Intel E820 BIOS memory map header */
+
+/* 
+ * Copyright (c) 2010, 2012 Wind River Systems, Inc. 
+ *
+ * The right to copy, distribute, modify or otherwise make use 
+ * of this software may be licensed only pursuant to the terms 
+ * of an applicable Wind River license agreement.
+ */
+
+/*
+modification history
+--------------------
+01c,26nov12,yjw  move struct definition to this header file.
+                 (WIND00380360)
+01b,29jul10,pad  Moved extern C statement after include statements.
+01a,28mar10,sem  written
+*/
+
+/*
+DESCRIPTION
+  Intel memory auto-size support using E820 BIOS memory map information.
+
+*/
+
+#ifndef __INCvxBiosE820Libh
+#define __INCvxBiosE820Libh
+
+#ifdef _WRS_CONFIG_LP64
+
+#include <vmLib.h>
+
+#endif /* _WRS_CONFIG_LP64 */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* E820 memory auto-size status codes */
+
+#define BIOS_E820_MAP_OK              0x0 /* No map error detected */
+
+#define BIOS_E820_MAP_SIG_ERR         0x1 /* "SMAP" signature not verified in BIOS output */
+
+#define BIOS_E820_MAP_CF_ERR          0x2 /* Carry flag set on first E820 call - error */
+
+#define BIOS_E820_MAP_SIZE_ERR        0x3 /* Invalid buffer size returned by BIOS */
+
+#define BIOS_E820_MAP_ENTRY_ERR       0x4 /* Invalid entry count  */
+
+#define BIOS_E820_MAP_ADR_ERR         0x5 /* Invalid final descriptor address pointer */
+
+#define BIOS_E820_MAP_TYPE_ERR        0x6 /* Invalid descriptor type value */
+
+#define BIOS_E820_MAP_LEN_ERR         0x7 /* Invalid descriptor length value */
+
+#define BIOS_E820_MAP_RANGE_ERR       0x8 /* Invalid or conflicting address range */
+
+#define BIOS_E820_MAP_SPACE_ERR       0x9 /* Insufficient table space available in sysPhysRamDesc */
+
+/* E820 memory map types */
+
+#define BIOS_E820_MEM_TYPE_UNDEFINED  0x0 /* Undefined memory type */            
+
+#define BIOS_E820_MEM_TYPE_USABLE     0x1 /* Usable memory type */               
+
+#define BIOS_E820_MEM_TYPE_RESERVED   0x2 /* Reserved memory type */             
+
+#define BIOS_E820_MEM_TYPE_ACPI       0x3 /* ACPI memory type */                 
+
+#define BIOS_E820_MEM_TYPE_NVS        0x4 /* ACPI NVS memory type */
+
+#define BIOS_E820_MEM_TYPE_UNUSABLE   0x5 /* Unusable memory type */             
+
+#define BIOS_E820_MEM_TYPE_DISABLED   0x6 /* Disabled memory type */             
+
+#ifndef _ASMLANGUAGE
+
+/* structure of the BIOS E820 map table info */
+
+typedef struct bios_e820_tbl_info
+    {
+    unsigned int smap;    /* "SMAP" signature (eax register) at query return */
+    unsigned int ebx;     /* contents of ebx register at query return */
+    unsigned int ecx;     /* contents of ecx register at query return */
+    unsigned int edx;     /* contents of edx register at query return */
+    unsigned int adr;     /* final buffer address (edi register) at query return */
+    unsigned int carry;   /* carry bit */
+    unsigned int entries; /* entry count */
+    unsigned int err;     /* error word */
+    } BIOS_E820_TBL_INFO;
+
+/* structure of an entry in the BIOS E820 map table */
+
+typedef struct bios_e820_map_desc 
+    {
+    unsigned long long addr;    /* start of memory segment   */
+    unsigned long long len;     /* length of memory segment  */
+    unsigned int type;          /* type of memory segment    */
+    } __attribute__((packed)) BIOS_E820_MAP_DESC;
+
+extern STATUS vxBiosE820MapDescGet
+    (
+    unsigned int index,
+    BIOS_E820_MAP_DESC *pMapDesc
+    );
+
+extern unsigned int vxBiosE820MapStatusGet (void);
+
+extern void vxBiosE820MapShow (void);
+
+#ifndef _WRS_CONFIG_LP64
+
+/* forward declarations */
+
+extern char * vxBiosE820MemTopPhys32 (void);
+
+#else
+
+extern STATUS vxBiosE820MapGet64 
+    (
+    PHYS_MEM_DESC *sysPhysRamDesc, 
+    int sysPhysRamDescCount
+    );
+    
+#endif /* !_WRS_CONFIG_LP64 */
+
+#endif /* !_ASMLANGUAGE */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCvxBiosE820Libh */