[mirror_edk2.git] / OldMdePkg / Library / BaseLib / Ipf / longjmp.s

/// @file\r
///  Contains an implementation of longjmp for the Itanium-based architecture.\r
///\r
/// Copyright (c) 2006, 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: longjmp.s\r
///\r
///\r
\r
.auto\r
.text\r
\r
.proc   InternalLongJump\r
.type   InternalLongJump, @function\r
.regstk 2, 0, 0, 0\r
InternalLongJump::\r
        add                 r10 = 0x10*20 + 8*14, in0\r
        movl                r2  = ~((((1 << 14) - 1) << 16) | 3)\r
\r
        ld8.nt1             r14 = [r10], -8*2       // BSP, skip PFS\r
        mov                 r15 = ar.bspstore       // BSPSTORE\r
\r
        ld8.nt1             r17 = [r10], -8         // UNAT after spill\r
        mov                 r16 = ar.rsc            // RSC\r
        cmp.leu             p6  = r14, r15\r
\r
        ld8.nt1             r18 = [r10], -8         // UNAT\r
        ld8.nt1             r25 = [r10], -8         // b5\r
        and                 r2  = r16, r2\r
\r
        ldf.fill.nt1        f2  = [in0], 0x10\r
        ld8.nt1             r24 = [r10], -8         // b4\r
        mov                 b5  = r25\r
\r
        mov                 ar.rsc = r2\r
        ld8.nt1             r23 = [r10], -8         // b3\r
        mov                 b4  = r24\r
\r
        ldf.fill.nt1        f3  = [in0], 0x10\r
        mov                 ar.unat = r17\r
(p6)    br.spnt.many        _skip_flushrs\r
\r
        flushrs\r
        mov                 r15 = ar.bsp            // New BSPSTORE\r
\r
_skip_flushrs:\r
        mov                 r31 = ar.rnat           // RNAT\r
        loadrs\r
\r
        ldf.fill.nt1        f4  = [in0], 0x10\r
        ld8.nt1             r22 = [r10], -8\r
        dep                 r2  = -1, r14, 3, 6\r
\r
        ldf.fill.nt1        f5  = [in0], 0x10\r
        ld8.nt1             r21 = [r10], -8\r
        cmp.ltu             p6  = r2, r15\r
\r
        ld8.nt1             r20 = [r10], -0x10      // skip sp\r
(p6)    ld8.nta             r31 = [r2]\r
        mov                 b3  = r23\r
\r
        ldf.fill.nt1        f16 = [in0], 0x10\r
        ld8.fill.nt1        r7  = [r10], -8\r
        mov                 b2  = r22\r
\r
        ldf.fill.nt1        f17 = [in0], 0x10\r
        ld8.fill.nt1        r6  = [r10], -8\r
        mov                 b1  = r21\r
\r
        ldf.fill.nt1        f18 = [in0], 0x10\r
        ld8.fill.nt1        r5  = [r10], -8\r
        mov                 b0  = r20\r
\r
        ldf.fill.nt1        f19 = [in0], 0x10\r
        ld8.fill.nt1        r4  = [r10], 8*13\r
\r
        ldf.fill.nt1        f20 = [in0], 0x10\r
        ld8.nt1             r19 = [r10], 0x10       // PFS\r
\r
        ldf.fill.nt1        f21 = [in0], 0x10\r
        ld8.nt1             r26 = [r10], 8          // Predicate\r
        mov                 ar.pfs = r19\r
\r
        ldf.fill.nt1        f22 = [in0], 0x10\r
        ld8.nt1             r27 = [r10], 8          // LC\r
        mov                 pr  = r26, -1\r
\r
        ldf.fill.nt1        f23 = [in0], 0x10\r
        ld8.nt1             r28 = [r10], -17*8 - 0x10\r
        mov                 ar.lc = r27\r
\r
        ldf.fill.nt1        f24 = [in0], 0x10\r
        ldf.fill.nt1        f25 = [in0], 0x10\r
        mov                 r8  = in1\r
\r
        ldf.fill.nt1        f26 = [in0], 0x10\r
        ldf.fill.nt1        f31 = [r10], -0x10\r
\r
        ldf.fill.nt1        f27 = [in0], 0x10\r
        ldf.fill.nt1        f30 = [r10], -0x10\r
\r
        ldf.fill.nt1        f28 = [in0]\r
        ldf.fill.nt1        f29 = [r10], 0x10*3 + 8*4\r
\r
        ld8.fill.nt1        sp  = [r10]\r
        mov                 ar.unat = r18\r
\r
        mov                 ar.bspstore = r14\r
        mov                 ar.rnat = r31\r
\r
        invala\r
        mov                 ar.rsc = r16\r
        br.ret.sptk         b0\r
.endp\r
Commit	Line	Data
4cbd2175	1	/// @file\r
	2	/// Contains an implementation of longjmp for the Itanium-based architecture.\r
	3	///\r
	4	/// Copyright (c) 2006, Intel Corporation\r
	5	/// All rights reserved. This program and the accompanying materials\r
	6	/// are licensed and made available under the terms and conditions of the BSD License\r
	7	/// which accompanies this distribution. The full text of the license may be found at\r
	8	/// http://opensource.org/licenses/bsd-license.php\r
	9	///\r
	10	/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	///\r
	13	/// Module Name: longjmp.s\r
	14	///\r
	15	///\r
	16	\r
	17	.auto\r
	18	.text\r
	19	\r
	20	.proc InternalLongJump\r
	21	.type InternalLongJump, @function\r
	22	.regstk 2, 0, 0, 0\r
	23	InternalLongJump::\r
	24	add r10 = 0x1020 + 814, in0\r
	25	movl r2 = ~((((1 << 14) - 1) << 16) \| 3)\r
	26	\r
	27	ld8.nt1 r14 = [r10], -8*2 // BSP, skip PFS\r
	28	mov r15 = ar.bspstore // BSPSTORE\r
	29	\r
	30	ld8.nt1 r17 = [r10], -8 // UNAT after spill\r
	31	mov r16 = ar.rsc // RSC\r
	32	cmp.leu p6 = r14, r15\r
	33	\r
	34	ld8.nt1 r18 = [r10], -8 // UNAT\r
	35	ld8.nt1 r25 = [r10], -8 // b5\r
	36	and r2 = r16, r2\r
	37	\r
	38	ldf.fill.nt1 f2 = [in0], 0x10\r
	39	ld8.nt1 r24 = [r10], -8 // b4\r
	40	mov b5 = r25\r
	41	\r
	42	mov ar.rsc = r2\r
	43	ld8.nt1 r23 = [r10], -8 // b3\r
	44	mov b4 = r24\r
	45	\r
	46	ldf.fill.nt1 f3 = [in0], 0x10\r
	47	mov ar.unat = r17\r
	48	(p6) br.spnt.many _skip_flushrs\r
	49	\r
	50	flushrs\r
	51	mov r15 = ar.bsp // New BSPSTORE\r
	52	\r
	53	_skip_flushrs:\r
	54	mov r31 = ar.rnat // RNAT\r
	55	loadrs\r
	56	\r
	57	ldf.fill.nt1 f4 = [in0], 0x10\r
	58	ld8.nt1 r22 = [r10], -8\r
	59	dep r2 = -1, r14, 3, 6\r
	60	\r
	61	ldf.fill.nt1 f5 = [in0], 0x10\r
	62	ld8.nt1 r21 = [r10], -8\r
	63	cmp.ltu p6 = r2, r15\r
	64	\r
65	ld8.nt1 r20 = [r10], -0x10 // skip sp\r
66	(p6) ld8.nta r31 = [r2]\r
67	mov b3 = r23\r
68	\r
69	ldf.fill.nt1 f16 = [in0], 0x10\r
70	ld8.fill.nt1 r7 = [r10], -8\r
71	mov b2 = r22\r
72	\r
73	ldf.fill.nt1 f17 = [in0], 0x10\r
74	ld8.fill.nt1 r6 = [r10], -8\r
75	mov b1 = r21\r
76	\r
77	ldf.fill.nt1 f18 = [in0], 0x10\r
78	ld8.fill.nt1 r5 = [r10], -8\r
79	mov b0 = r20\r
80	\r
81	ldf.fill.nt1 f19 = [in0], 0x10\r
82	ld8.fill.nt1 r4 = [r10], 8*13\r
83	\r
84	ldf.fill.nt1 f20 = [in0], 0x10\r
85	ld8.nt1 r19 = [r10], 0x10 // PFS\r
86	\r
87	ldf.fill.nt1 f21 = [in0], 0x10\r
88	ld8.nt1 r26 = [r10], 8 // Predicate\r
89	mov ar.pfs = r19\r
90	\r
91	ldf.fill.nt1 f22 = [in0], 0x10\r
92	ld8.nt1 r27 = [r10], 8 // LC\r
93	mov pr = r26, -1\r
94	\r
95	ldf.fill.nt1 f23 = [in0], 0x10\r
96	ld8.nt1 r28 = [r10], -17*8 - 0x10\r
97	mov ar.lc = r27\r
98	\r
99	ldf.fill.nt1 f24 = [in0], 0x10\r
100	ldf.fill.nt1 f25 = [in0], 0x10\r
101	mov r8 = in1\r
102	\r
103	ldf.fill.nt1 f26 = [in0], 0x10\r
104	ldf.fill.nt1 f31 = [r10], -0x10\r
105	\r
106	ldf.fill.nt1 f27 = [in0], 0x10\r
107	ldf.fill.nt1 f30 = [r10], -0x10\r
108	\r
109	ldf.fill.nt1 f28 = [in0]\r
110	ldf.fill.nt1 f29 = [r10], 0x103 + 84\r
111	\r
112	ld8.fill.nt1 sp = [r10]\r
113	mov ar.unat = r18\r
114	\r
115	mov ar.bspstore = r14\r
116	mov ar.rnat = r31\r
117	\r
118	invala\r
119	mov ar.rsc = r16\r
120	br.ret.sptk b0\r
121	.endp\r