1 files changed, 146 insertions, 0 deletions
diff --git a/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/resource.asm b/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/resource.asm
new file mode 100755
index 0000000..0290312
--- /dev/null
+++ b/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/resource.asm
@@ -0,0 +1,146 @@
+; 
+; 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 
+; 
+;*******************************************************************************
+;*     This file implements the resource-related macros:
+;*          SYS_MBUS_DESCRIPTOR
+;*          SYS_IO_DESCRIPTOR
+;*          SYS_ALLOCATE_RESOURCE
+;*          SYS_SET_DECODE    
+;*******************************************************************************
+
+
+include sysmgr.inc
+.model tiny,c
+.586p
+.CODE
+
+
+
+externdef sys_system_call:proc
+
+
+
+;***********************************************************************
+; ULONG sys_mbus_descriptor(USHORT Address, ULONG * Buffer, UCHAR IO_Flag);
+;
+; Returns the MSR address & contents of the descriptor assigned to a
+; virtualized PCI address or an I/O address.
+;
+;***********************************************************************
+sys_mbus_descriptor proc pascal   \
+	Address: WORD, \
+ 	Buffer: PTR,   \
+	IO_Flag: WORD
+	
+	mov	bx, [Address]
+	mov	cx, [IO_Flag]
+	mov	ax, SYS_CODE_DESCRIPTOR
+	call	sys_system_call	
+	; Returns:
+	;   ECX = MSR address
+	;   EDX:EAX = original MSR value
+
+	mov	bx, [Buffer]		; Store MSR value into caller's buffer
+	mov	[bx+0], eax
+	mov	[bx+4], edx
+
+	push	ecx			; Return MSR address
+	pop	ax
+	pop	dx
+	ret
+
+sys_mbus_descriptor endp
+
+
+
+
+;***********************************************************************
+; ULONG sys_resource(USHORT Resource, ULONG Param1, ULONG Param2);
+;
+; Records a VSM's use of a non-shareable resource (e.g. GPIO, IRQ, etc.)
+; If the resources is a memory or I/O PCI BAR, it returns the assigned
+; PCI address.
+;
+;***********************************************************************
+sys_resource proc pascal  uses edi si \
+	Resource:   BYTE,  \
+	BAR:        WORD,  \
+	BaseRange:  DWORD, \
+	Pci_ID:     WORD,  \
+	MBus_ID:    WORD
+
+	mov	bl, [Resource]
+	mov	si, [BAR]
+	mov	ecx, [BaseRange]
+	mov	di, [MBus_ID]
+	shl	edi, 16
+	mov	di, [Pci_ID]
+	mov	ax, SYS_CODE_RESOURCE
+	call	sys_system_call
+
+	; If xxxx != 0x0000, then return 0x8000xxxx, where xxxx is return value
+	xor	dx, dx	
+	or	ax, ax
+	jz	Exit
+	or	dh, 80h
+Exit:	ret
+
+sys_resource endp
+
+
+
+
+;***********************************************************************
+; ULONG __pascal sys_lookup_device(USHORT DeviceID, USHORT Instance);
+; Returns the routing bits for the specified Device ID.
+;***********************************************************************
+sys_lookup_device proc pascal \
+	Device_ID: word, \
+	Instance:  word
+
+	mov	bx, [Device_ID]
+	mov	cx, [Instance]
+	mov	ax, SYS_CODE_LOOKUP
+	call	sys_system_call
+	ret
+
+sys_lookup_device endp
+
+
+
+
+;***********************************************************************
+;void Set_Address_Decode(USHORT Address, USHORT Decode) 
+;***********************************************************************
+sys_address_decode proc pascal \
+	Address:   WORD, \
+	Decode: WORD
+
+	mov	bx, [Address]
+	mov	cx, [Decode]
+	mov	ax, SYS_CODE_DECODE
+	call	sys_system_call
+	ret
+
+sys_address_decode endp
+
+
+
+	END 
+