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/*
* Copyright (c) 2006-2008 Advanced Micro Devices,Inc. ("AMD").
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
// Build flags for various optional features
#define HISTORY 0 // History support (value determines size of history buffer; 0=disabled)
#define CHECKED_BUILD 1 // Perform internal sanity checks
#define SUPPORT_CAPABILITIES 1 // Enables support for PCI capabilities list
#define SUPPORT_PRIORITY 0 // Enables message priority logic
#define SUPPORT_FS2 1 // Enables MBIU1 descriptors so FS2 sees same map as GX2
#define USB_FIX 0 // 0=none 1=old 2=new
#define MAX_INT 0x1B // Maximum INT vector supported for BIOS callbacks
#define SYS_YIELD 0x40000000L // Must be >= bit 24
#define DBG_PORT 0x84
#define VSA_POST 0x84 // I/O port for VSA POST codes
#define EXTRA_SAVE 4 // State saved other than registers
#define VSM_STACK_FRAME (8*4+EXTRA_SAVE)// PUSHAD + EXTRA_SAVE
#define SPECIAL_LOC 0xA80 // Determines depth of SysMgr's stack
#define STACK_OFFSET 0x94 // Should be: EndSaveArea - StartSaveArea
#define SYSMGRS_STACK (SPECIAL_LOC-STACK_OFFSET)
#define MAX_REGISTRATIONS 100 // # entries in Events[]
// VSM specific definitions
#define CODE_ATTR 0x9B
#define DATA_ATTR 0x93
#define VSM_CR0 0x00000014
#define VSM_EFLAGS 0x00000002
#define VSM_DR7 0x00000400
#define VSM_STACK_SIZE 0x300 // Size of allocated stack in bytes
#define BIOS_STACK_SIZE 0x100
// VSM States
#define RUN_FLAG_INACTIVE 0x00 // VSM is idle
#define RUN_FLAG_SLEEPING 0x55 // VSM is in Standby/Suspend
#define RUN_FLAG_ACTIVE 0xAA // VSM is running or scheduled to run
#define RUN_FLAG_WAITING 0xEE // VSM has yielded control
#define RUN_FLAG_BLOCKED 0xBB // VSM is blocked
#define RUN_FLAG_READY 0x77 // VSM is ready to execute
// System calls
#define SYS_CODE_EVENT 0x0000 // Event registration
#define SYS_CODE_YIELD 0x0001 // VSM is yielding control
#define SYS_CODE_SW_INT 0x0002 // Software Interrupt (INT xx)
#define SYS_CODE_PASS_EVENT 0x0003 // VSM did not handle an event
#define SYS_CODE_UNLOAD 0x0004 // Unload VSM
#define SYS_CODE_REGISTER 0x0005 // Get/Set special registers
#define SYS_CODE_PCI_ACCESS 0x0006 // Access a PCI dword with trapping disabled
#define SYS_CODE_SET_VIRTUAL 0x0007 // Set virtual register
#define SYS_CODE_GET_VIRTUAL 0x0008 // Get virtual register
#define SYS_CODE_BROADCAST 0x0009 // Broadcast a message to one or more VSMs
#define SYS_CODE_STATE 0x000A // Save/Restore non-SMM state
#define SYS_CODE_ERROR 0x000B // Report error
#define SYS_CODE_RESOURCE 0x000C // Reserve resource
#define SYS_CODE_DECODE 0x000D // Set resource to be subtractive/positive decode
#define SYS_CODE_DESCRIPTOR 0x000E // Get descriptor of virtualized PCI BAR
#define SYS_CODE_LOOKUP 0x000F // Lookup routing for MBus device
#define SYS_CODE_IRQ_MAPPER 0x0010 // Set IRQ mapping (CS5535 only)
#define SYS_CODE_RESULT 0x0011 // Return virtualized result
#define SYS_CODE_DUPLICATE 0x0012 // Duplicate a VSM
#define SYS_CODE_EXIT 0x0013 // Exit to System Manager
#define GET_REG 0x80
#define SET_REG 0x81
#define GET_HDR 0x82
#define SET_HDR 0x83
#define GET_DESCR 0x84
#define SET_DESCR 0x85
// Fields in SMM header flag
#define SMI_FLAGS_CS_WRITABLE 0x0001 // "Cw" bit CS is writable
#define SMI_FLAGS_OUTPUT 0x0002 // "I" bit I/O indicator
#define SMI_FLAGS_REP 0x0004 // "P" bit REP indicator
#define SMI_FLAGS_SMINT 0x0008 // "S" bit SMI occured due to a SMINT
#define SMI_FLAGS_HALT 0x0010 // "H" bit SMI occured during CPU halt
#define SMI_FLAGS_MEMORY 0x0020 // "M" bit 0=I/O, 1=memory
#define SMI_FLAGS_EXT 0x0040 // "X" bit External SMI source
#define SMI_FLAGS_VGA 0x0080 // "V" bit VGA emulation source
#define SMI_FLAGS_NESTED 0x0100 // "N" bit Nested SMI
#define SMI_FLAGS_CS_READABLE 0x8000 // "Cr" bit CS is writable
typedef void (* SMI_Handler)(void);
typedef struct {
SMI_Handler Handler;
unsigned long SMI_Mask;
} SMI_ENTRY;
typedef struct {
unsigned long Vsm;
union {
struct {
unsigned long Param1;
unsigned long Param2;
unsigned long Param3;
};
struct { // Timers
unsigned long Interval;
unsigned short Handle;
unsigned char Timer;
unsigned char Attr;
unsigned long RemainingInterval;
};
struct { // GPIOs
unsigned short Pin;
unsigned short Pme;
unsigned short Attributes;
unsigned short Pm1;
unsigned long CurrentEdge;
};
struct { // PCI header
unsigned short PCI_Addr;
unsigned short Unused;
unsigned short PCI_Mask;
unsigned short Flags;
};
struct { // I/O trap & timeout
unsigned short IO_Base;
unsigned short IO_Timeout;
unsigned short IO_Range;
};
struct { // Virtual Register
unsigned long ClassLow;
unsigned long ClassHigh;
};
};
unsigned long Timestamp[2];
unsigned char Index;
unsigned char Link;
unsigned short Priority;
} EVENT_ENTRY;
typedef struct {
unsigned long Vsm;
unsigned long Event;
unsigned long Param1;
unsigned long Param2;
unsigned long Count;
unsigned long TimeStamp[2];
} EVENT_HISTORY;
typedef struct {
unsigned short History_Array;
int * History_Start;
int * History_End;
int * History_Wrap;
unsigned short HistoryEntries;
} HISTORY_INFO;
//
// An instance of this structure is found in the System Manager at offset SPECIAL_LOC
//
typedef struct {
unsigned short Events; // Events array
unsigned short Descriptors; // MBus Descriptors array
unsigned short Vectors; // INT vectors
unsigned short HardwareInfo; // Hardware structure
unsigned long IRQ_Base; // Used by SYS_GENERATE_IRQ
unsigned long IRQ_Mask; // Used by SYS_GENERATE_IRQ
unsigned long SysMgr_VSM; // Used in SysMgr only
unsigned long SMI_Base; // Used in SysMgr only
unsigned short Header_Addr; // Used in SysMgr only
unsigned short SysMgr_Stack; // Used in SysMgr only
unsigned short MSRs; // Used for DOS_BUILD
unsigned short NumDescrs; // Used for DOS_BUILD
} InfoStuff;
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