[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / EdkIIGlueLib / Library / BaseLib / X64 / SwitchStack.asm

; Copyright (c) 2004, Intel Corporation                                                         \r
; All rights reserved. This program and the accompanying materials                          \r
; are licensed and made available under the terms and conditions of the BSD License         \r
; which accompanies this distribution.  The full text of the license may be found at        \r
; http://opensource.org/licenses/bsd-license.php                                            \r
;                                                                                           \r
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.    \r
;\r
; Module Name:\r
;\r
;   SwitchStack.Asm\r
;\r
; Abstract:\r
;\r
;------------------------------------------------------------------------------\r
\r
    .code\r
\r
;------------------------------------------------------------------------------\r
; Routine Description:\r
;\r
;   Routine for switching stacks with 1 parameter\r
;\r
; Arguments:\r
;\r
;   (rcx) EntryPoint    - Entry point with new stack.\r
;   (rdx) Context       - Parameter for entry point.\r
;   (r8)  Context2      - Parameter2 for entry point.\r
;   (r9)  NewStack      - Pointer to new stack.\r
;\r
; Returns:\r
;\r
;   None\r
;\r
;------------------------------------------------------------------------------\r
InternalSwitchStack PROC\r
    mov     rax, rcx\r
    mov     rcx, rdx\r
    mov     rdx, r8\r
    lea     rsp, [r9 - 20h]\r
    call    rax\r
InternalSwitchStack ENDP\r
\r
    END\r
Commit	Line	Data
3eb9473e	1	; Copyright (c) 2004, Intel Corporation \r
	2	; All rights reserved. This program and the accompanying materials \r
	3	; are licensed and made available under the terms and conditions of the BSD License \r
	4	; which accompanies this distribution. The full text of the license may be found at \r
	5	; http://opensource.org/licenses/bsd-license.php \r
	6	; \r
	7	; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	8	; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	9	;\r
	10	; Module Name:\r
	11	;\r
	12	; SwitchStack.Asm\r
	13	;\r
	14	; Abstract:\r
	15	;\r
	16	;------------------------------------------------------------------------------\r
	17	\r
	18	.code\r
	19	\r
	20	;------------------------------------------------------------------------------\r
	21	; Routine Description:\r
	22	;\r
	23	; Routine for switching stacks with 1 parameter\r
	24	;\r
	25	; Arguments:\r
	26	;\r
	27	; (rcx) EntryPoint - Entry point with new stack.\r
	28	; (rdx) Context - Parameter for entry point.\r
	29	; (r8) Context2 - Parameter2 for entry point.\r
	30	; (r9) NewStack - Pointer to new stack.\r
	31	;\r
	32	; Returns:\r
	33	;\r
	34	; None\r
	35	;\r
	36	;------------------------------------------------------------------------------\r
	37	InternalSwitchStack PROC\r
	38	mov rax, rcx\r
	39	mov rcx, rdx\r
	40	mov rdx, r8\r
	41	lea rsp, [r9 - 20h]\r
	42	call rax\r
	43	InternalSwitchStack ENDP\r
	44	\r
	45	END\r