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/*
    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
 
    ***************************************************************************
    *                                                                         *
    * If you are:                                                             *
    *                                                                         *
    *    + New to FreeRTOS,                                                   *
    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
    *    + Looking for basic training,                                        *
    *    + Wanting to improve your FreeRTOS skills and productivity           *
    *                                                                         *
    * then take a look at the FreeRTOS books - available as PDF or paperback  *
    *                                                                         *
    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
    *                  http://www.FreeRTOS.org/Documentation                  *
    *                                                                         *
    * A pdf reference manual is also available.  Both are usually delivered   *
    * to your inbox within 20 minutes to two hours when purchased between 8am *
    * and 8pm GMT (although please allow up to 24 hours in case of            *
    * exceptional circumstances).  Thank you for your support!                *
    *                                                                         *
    ***************************************************************************
 
    This file is part of the FreeRTOS distribution.
 
    FreeRTOS is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License (version 2) as published by the
    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
    ***NOTE*** The exception to the GPL is included to allow you to distribute
    a combined work that includes FreeRTOS without being obliged to provide the
    source code for proprietary components outside of the FreeRTOS kernel.
    FreeRTOS 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 General Public License for
    more details. You should have received a copy of the GNU General Public
    License and the FreeRTOS license exception along with FreeRTOS; if not it
    can be viewed here: http://www.freertos.org/a00114.html and also obtained
    by writing to Richard Barry, contact details for whom are available on the
    FreeRTOS WEB site.
 
    1 tab == 4 spaces!
 
    http://www.FreeRTOS.org - Documentation, latest information, license and
    contact details.
 
    http://www.SafeRTOS.com - A version that is certified for use in safety
    critical systems.
 
    http://www.OpenRTOS.com - Commercial support, development, porting,
    licensing and training services.
*/
 
#include "FreeRTOSConfig.h"
 
        .extern pxCurrentTCB
        .extern vTaskSwitchContext
        .extern vTaskIncrementTick
        .extern vPortISRHandler
 
        .global vPortStartFirstTask
        .global vPortYield
        .global vPortTickISR
        .global vPortISRWrapper
        .global vPortSaveFPURegisters
        .global vPortRestoreFPURegisters
 
.set    BChainField, 0
.set    NextLRField, BChainField + 4
.set    MSRField,    NextLRField + 4
.set    PCField,     MSRField    + 4
.set    LRField,     PCField     + 4
.set    CTRField,    LRField     + 4
.set    XERField,    CTRField    + 4
.set    CRField,     XERField    + 4
.set    USPRG0Field, CRField     + 4
.set    r0Field,     USPRG0Field + 4
.set    r2Field,     r0Field     + 4
.set    r3r31Field,  r2Field     + 4
.set    IFrameSize,  r3r31Field  + ( ( 31 - 3 ) + 1 ) * 4
 
 
.macro portSAVE_STACK_POINTER_AND_LR
 
        /* Get the address of the TCB. */
        xor             R0, R0, R0
        addis   R2, R0, pxCurrentTCB@ha
        lwz             R2,     pxCurrentTCB@l( R2 )
 
        /* Store the stack pointer into the TCB */
        stw             SP,     0( R2 )
 
        /* Save the link register */
        stwu    R1, -24( R1 )
        mflr    R0
        stw             R31, 20( R1 )
        stw             R0, 28( R1 )
        mr              R31, r1
 
.endm
 
.macro portRESTORE_STACK_POINTER_AND_LR
 
        /* Restore the link register */
        lwz             R11, 0( R1 )
        lwz             R0, 4( R11 )
        mtlr    R0
        lwz             R31, -4( R11 )
        mr              R1, R11
 
        /* Get the address of the TCB. */
        xor             R0, R0, R0
        addis   SP, R0, pxCurrentTCB@ha
        lwz             SP,     pxCurrentTCB@l( R1 )
 
        /* Get the task stack pointer from the TCB. */
        lwz             SP, 0( SP )
 
.endm
 
 
vPortStartFirstTask:
 
        /* Get the address of the TCB. */
        xor             R0, R0, R0
    addis   SP, R0, pxCurrentTCB@ha
    lwz         SP,     pxCurrentTCB@l( SP )
 
        /* Get the task stack pointer from the TCB. */
        lwz             SP, 0( SP )
 
        /* Restore MSR register to SRR1. */
        lwz             R0, MSRField(R1)
        mtsrr1  R0
 
        /* Restore current PC location to SRR0. */
        lwz             R0, PCField(R1)
        mtsrr0  R0
 
        /* Save  USPRG0 register */
        lwz             R0, USPRG0Field(R1)
        mtspr   0x100,R0
 
        /* Restore Condition register */
        lwz             R0, CRField(R1)
        mtcr    R0
 
        /* Restore Fixed Point Exception register */
        lwz             R0, XERField(R1)
        mtxer   R0
 
        /* Restore Counter register */
        lwz             R0, CTRField(R1)
        mtctr   R0
 
        /* Restore Link register */
        lwz             R0, LRField(R1)
        mtlr    R0
 
        /* Restore remaining GPR registers. */
        lmw     R3,r3r31Field(R1)
 
        /* Restore r0 and r2. */
        lwz             R0, r0Field(R1)
        lwz             R2, r2Field(R1)
 
        /* Remove frame from stack */
        addi    R1,R1,IFrameSize
 
        /* Return into the first task */
        rfi
 
 
 
vPortYield:
 
        portSAVE_STACK_POINTER_AND_LR
        bl vTaskSwitchContext
        portRESTORE_STACK_POINTER_AND_LR
        blr
 
vPortTickISR:
 
        portSAVE_STACK_POINTER_AND_LR
        bl vTaskIncrementTick
 
        #if configUSE_PREEMPTION == 1
                bl vTaskSwitchContext
        #endif
 
        /* Clear the interrupt */
        lis             R0, 2048
        mttsr   R0
 
        portRESTORE_STACK_POINTER_AND_LR
        blr
 
vPortISRWrapper:
 
        portSAVE_STACK_POINTER_AND_LR
        bl vPortISRHandler
        portRESTORE_STACK_POINTER_AND_LR
        blr
 
#if configUSE_FPU == 1
 
vPortSaveFPURegisters:
 
        /* Enable APU and mark FPU as present. */
        mfmsr   r0
        xor             r30, r30, r30
        oris    r30, r30, 512
        ori             r30, r30, 8192
        or              r0, r0, r30
        mtmsr   r0
 
#ifdef USE_DP_FPU
 
        /* Buffer address is in r3.  Save each flop register into an offset from
        this buffer address. */
        stfd    f0, 0(r3)
        stfd    f1, 8(r3)
        stfd    f2, 16(r3)
        stfd    f3, 24(r3)
        stfd    f4, 32(r3)
        stfd    f5, 40(r3)
        stfd    f6, 48(r3)
        stfd    f7, 56(r3)
        stfd    f8, 64(r3)
        stfd    f9, 72(r3)
        stfd    f10, 80(r3)
        stfd    f11, 88(r3)
        stfd    f12, 96(r3)
        stfd    f13, 104(r3)
        stfd    f14, 112(r3)
        stfd    f15, 120(r3)
        stfd    f16, 128(r3)
        stfd    f17, 136(r3)
        stfd    f18, 144(r3)
        stfd    f19, 152(r3)
        stfd    f20, 160(r3)
        stfd    f21, 168(r3)
        stfd    f22, 176(r3)
        stfd    f23, 184(r3)
        stfd    f24, 192(r3)
        stfd    f25, 200(r3)
        stfd    f26, 208(r3)
        stfd    f27, 216(r3)
        stfd    f28, 224(r3)
        stfd    f29, 232(r3)
        stfd    f30, 240(r3)
        stfd    f31, 248(r3)
 
        /* Also save the FPSCR. */
        mffs    f31
        stfs    f31, 256(r3)
 
#else
 
        /* Buffer address is in r3.  Save each flop register into an offset from
        this buffer address. */
        stfs    f0, 0(r3)
        stfs    f1, 4(r3)
        stfs    f2, 8(r3)
        stfs    f3, 12(r3)
        stfs    f4, 16(r3)
        stfs    f5, 20(r3)
        stfs    f6, 24(r3)
        stfs    f7, 28(r3)
        stfs    f8, 32(r3)
        stfs    f9, 36(r3)
        stfs    f10, 40(r3)
        stfs    f11, 44(r3)
        stfs    f12, 48(r3)
        stfs    f13, 52(r3)
        stfs    f14, 56(r3)
        stfs    f15, 60(r3)
        stfs    f16, 64(r3)
        stfs    f17, 68(r3)
        stfs    f18, 72(r3)
        stfs    f19, 76(r3)
        stfs    f20, 80(r3)
        stfs    f21, 84(r3)
        stfs    f22, 88(r3)
        stfs    f23, 92(r3)
        stfs    f24, 96(r3)
        stfs    f25, 100(r3)
        stfs    f26, 104(r3)
        stfs    f27, 108(r3)
        stfs    f28, 112(r3)
        stfs    f29, 116(r3)
        stfs    f30, 120(r3)
        stfs    f31, 124(r3)
 
        /* Also save the FPSCR. */
        mffs    f31
        stfs    f31, 128(r3)
 
#endif
 
        blr
 
#endif /* configUSE_FPU. */
 
 
#if configUSE_FPU == 1
 
vPortRestoreFPURegisters:
 
        /* Enable APU and mark FPU as present. */
        mfmsr   r0
        xor             r30, r30, r30
        oris    r30, r30, 512
        ori             r30, r30, 8192
        or              r0, r0, r30
        mtmsr   r0
 
#ifdef USE_DP_FPU
 
        /* Buffer address is in r3.  Restore each flop register from an offset
        into this buffer.
 
        First the FPSCR. */
        lfs             f31, 256(r3)
        mtfsf   f31, 7
 
        lfd             f0, 0(r3)
        lfd         f1, 8(r3)
        lfd             f2, 16(r3)
        lfd             f3, 24(r3)
        lfd             f4, 32(r3)
        lfd             f5, 40(r3)
        lfd             f6, 48(r3)
        lfd             f7, 56(r3)
        lfd             f8, 64(r3)
        lfd             f9, 72(r3)
        lfd             f10, 80(r3)
        lfd             f11, 88(r3)
        lfd             f12, 96(r3)
        lfd             f13, 104(r3)
        lfd             f14, 112(r3)
        lfd             f15, 120(r3)
        lfd             f16, 128(r3)
        lfd             f17, 136(r3)
        lfd             f18, 144(r3)
        lfd             f19, 152(r3)
        lfd             f20, 160(r3)
        lfd             f21, 168(r3)
        lfd             f22, 176(r3)
        lfd             f23, 184(r3)
        lfd             f24, 192(r3)
        lfd             f25, 200(r3)
        lfd             f26, 208(r3)
        lfd             f27, 216(r3)
        lfd             f28, 224(r3)
        lfd             f29, 232(r3)
        lfd             f30, 240(r3)
        lfd             f31, 248(r3)
 
#else
 
        /* Buffer address is in r3.  Restore each flop register from an offset
        into this buffer.
 
        First the FPSCR. */
        lfs             f31, 128(r3)
        mtfsf   f31, 7
 
        lfs             f0, 0(r3)
        lfs             f1, 4(r3)
        lfs             f2, 8(r3)
        lfs             f3, 12(r3)
        lfs             f4, 16(r3)
        lfs             f5, 20(r3)
        lfs             f6, 24(r3)
        lfs             f7, 28(r3)
        lfs             f8, 32(r3)
        lfs             f9, 36(r3)
        lfs             f10, 40(r3)
        lfs             f11, 44(r3)
        lfs             f12, 48(r3)
        lfs             f13, 52(r3)
        lfs             f14, 56(r3)
        lfs             f15, 60(r3)
        lfs             f16, 64(r3)
        lfs             f17, 68(r3)
        lfs             f18, 72(r3)
        lfs             f19, 76(r3)
        lfs             f20, 80(r3)
        lfs             f21, 84(r3)
        lfs             f22, 88(r3)
        lfs             f23, 92(r3)
        lfs             f24, 96(r3)
        lfs             f25, 100(r3)
        lfs             f26, 104(r3)
        lfs             f27, 108(r3)
        lfs             f28, 112(r3)
        lfs             f29, 116(r3)
        lfs             f30, 120(r3)
        lfs             f31, 124(r3)
 
#endif
 
        blr
 
#endif /* configUSE_FPU. */
 
 

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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [PPC440_Xilinx/] [portasm.S] - Blame information for rev 572

Line No.	Rev	Author	Line
1	572	jeremybenn	`/*`
2			`FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.`
3
4			`***************************************************************************`
5			`* *`
6			`* If you are: *`
7			`* *`
8			`* + New to FreeRTOS, *`
9			`* + Wanting to learn FreeRTOS or multitasking in general quickly *`
10			`* + Looking for basic training, *`
11			`* + Wanting to improve your FreeRTOS skills and productivity *`
12			`* *`
13			`* then take a look at the FreeRTOS books - available as PDF or paperback *`
14			`* *`
15			`* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *`
16			`* http://www.FreeRTOS.org/Documentation *`
17			`* *`
18			`* A pdf reference manual is also available. Both are usually delivered *`
19			`* to your inbox within 20 minutes to two hours when purchased between 8am *`
20			`* and 8pm GMT (although please allow up to 24 hours in case of *`
21			`* exceptional circumstances). Thank you for your support! *`
22			`* *`
23			`***************************************************************************`
24
25			`This file is part of the FreeRTOS distribution.`
26
27			`FreeRTOS is free software; you can redistribute it and/or modify it under`
28			`the terms of the GNU General Public License (version 2) as published by the`
29			`Free Software Foundation AND MODIFIED BY the FreeRTOS exception.`
30			`*NOTE* The exception to the GPL is included to allow you to distribute`
31			`a combined work that includes FreeRTOS without being obliged to provide the`
32			`source code for proprietary components outside of the FreeRTOS kernel.`
33			`FreeRTOS is distributed in the hope that it will be useful, but WITHOUT`
34			`ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or`
35			`FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for`
36			`more details. You should have received a copy of the GNU General Public`
37			`License and the FreeRTOS license exception along with FreeRTOS; if not it`
38			`can be viewed here: http://www.freertos.org/a00114.html and also obtained`
39			`by writing to Richard Barry, contact details for whom are available on the`
40			`FreeRTOS WEB site.`
41
42			`1 tab == 4 spaces!`
43
44			`http://www.FreeRTOS.org - Documentation, latest information, license and`
45			`contact details.`
46
47			`http://www.SafeRTOS.com - A version that is certified for use in safety`
48			`critical systems.`
49
50			`http://www.OpenRTOS.com - Commercial support, development, porting,`
51			`licensing and training services.`
52			`*/`
53
54			`#include "FreeRTOSConfig.h"`
55
56			`.extern pxCurrentTCB`
57			`.extern vTaskSwitchContext`
58			`.extern vTaskIncrementTick`
59			`.extern vPortISRHandler`
60
61			`.global vPortStartFirstTask`
62			`.global vPortYield`
63			`.global vPortTickISR`
64			`.global vPortISRWrapper`
65			`.global vPortSaveFPURegisters`
66			`.global vPortRestoreFPURegisters`
67
68			`.set BChainField, 0`
69			`.set NextLRField, BChainField + 4`
70			`.set MSRField, NextLRField + 4`
71			`.set PCField, MSRField + 4`
72			`.set LRField, PCField + 4`
73			`.set CTRField, LRField + 4`
74			`.set XERField, CTRField + 4`
75			`.set CRField, XERField + 4`
76			`.set USPRG0Field, CRField + 4`
77			`.set r0Field, USPRG0Field + 4`
78			`.set r2Field, r0Field + 4`
79			`.set r3r31Field, r2Field + 4`
80			`.set IFrameSize, r3r31Field + ( ( 31 - 3 ) + 1 ) * 4`
81
82
83			`.macro portSAVE_STACK_POINTER_AND_LR`
84
85			`/* Get the address of the TCB. */`
86			`xor R0, R0, R0`
87			`addis R2, R0, pxCurrentTCB@ha`
88			`lwz R2, pxCurrentTCB@l( R2 )`
89
90			`/* Store the stack pointer into the TCB */`
91			`stw SP, 0( R2 )`
92
93			`/* Save the link register */`
94			`stwu R1, -24( R1 )`
95			`mflr R0`
96			`stw R31, 20( R1 )`
97			`stw R0, 28( R1 )`
98			`mr R31, r1`
99
100			`.endm`
101
102			`.macro portRESTORE_STACK_POINTER_AND_LR`
103
104			`/* Restore the link register */`
105			`lwz R11, 0( R1 )`
106			`lwz R0, 4( R11 )`
107			`mtlr R0`
108			`lwz R31, -4( R11 )`
109			`mr R1, R11`
110
111			`/* Get the address of the TCB. */`
112			`xor R0, R0, R0`
113			`addis SP, R0, pxCurrentTCB@ha`
114			`lwz SP, pxCurrentTCB@l( R1 )`
115
116			`/* Get the task stack pointer from the TCB. */`
117			`lwz SP, 0( SP )`
118
119			`.endm`
120
121
122			`vPortStartFirstTask:`
123
124			`/* Get the address of the TCB. */`
125			`xor R0, R0, R0`
126			`addis SP, R0, pxCurrentTCB@ha`
127			`lwz SP, pxCurrentTCB@l( SP )`
128
129			`/* Get the task stack pointer from the TCB. */`
130			`lwz SP, 0( SP )`
131
132			`/* Restore MSR register to SRR1. */`
133			`lwz R0, MSRField(R1)`
134			`mtsrr1 R0`
135
136			`/* Restore current PC location to SRR0. */`
137			`lwz R0, PCField(R1)`
138			`mtsrr0 R0`
139
140			`/* Save USPRG0 register */`
141			`lwz R0, USPRG0Field(R1)`
142			`mtspr 0x100,R0`
143
144			`/* Restore Condition register */`
145			`lwz R0, CRField(R1)`
146			`mtcr R0`
147
148			`/* Restore Fixed Point Exception register */`
149			`lwz R0, XERField(R1)`
150			`mtxer R0`
151
152			`/* Restore Counter register */`
153			`lwz R0, CTRField(R1)`
154			`mtctr R0`
155
156			`/* Restore Link register */`
157			`lwz R0, LRField(R1)`
158			`mtlr R0`
159
160			`/* Restore remaining GPR registers. */`
161			`lmw R3,r3r31Field(R1)`
162
163			`/* Restore r0 and r2. */`
164			`lwz R0, r0Field(R1)`
165			`lwz R2, r2Field(R1)`
166
167			`/* Remove frame from stack */`
168			`addi R1,R1,IFrameSize`
169
170			`/* Return into the first task */`
171			`rfi`
172
173
174
175			`vPortYield:`
176
177			`portSAVE_STACK_POINTER_AND_LR`
178			`bl vTaskSwitchContext`
179			`portRESTORE_STACK_POINTER_AND_LR`
180			`blr`
181
182			`vPortTickISR:`
183
184			`portSAVE_STACK_POINTER_AND_LR`
185			`bl vTaskIncrementTick`
186
187			`#if configUSE_PREEMPTION == 1`
188			`bl vTaskSwitchContext`
189			`#endif`
190
191			`/* Clear the interrupt */`
192			`lis R0, 2048`
193			`mttsr R0`
194
195			`portRESTORE_STACK_POINTER_AND_LR`
196			`blr`
197
198			`vPortISRWrapper:`
199
200			`portSAVE_STACK_POINTER_AND_LR`
201			`bl vPortISRHandler`
202			`portRESTORE_STACK_POINTER_AND_LR`
203			`blr`
204
205			`#if configUSE_FPU == 1`
206
207			`vPortSaveFPURegisters:`
208
209			`/* Enable APU and mark FPU as present. */`
210			`mfmsr r0`
211			`xor r30, r30, r30`
212			`oris r30, r30, 512`
213			`ori r30, r30, 8192`
214			`or r0, r0, r30`
215			`mtmsr r0`
216
217			`#ifdef USE_DP_FPU`
218
219			`/* Buffer address is in r3. Save each flop register into an offset from`
220			`this buffer address. */`
221			`stfd f0, 0(r3)`
222			`stfd f1, 8(r3)`
223			`stfd f2, 16(r3)`
224			`stfd f3, 24(r3)`
225			`stfd f4, 32(r3)`
226			`stfd f5, 40(r3)`
227			`stfd f6, 48(r3)`
228			`stfd f7, 56(r3)`
229			`stfd f8, 64(r3)`
230			`stfd f9, 72(r3)`
231			`stfd f10, 80(r3)`
232			`stfd f11, 88(r3)`
233			`stfd f12, 96(r3)`
234			`stfd f13, 104(r3)`
235			`stfd f14, 112(r3)`
236			`stfd f15, 120(r3)`
237			`stfd f16, 128(r3)`
238			`stfd f17, 136(r3)`
239			`stfd f18, 144(r3)`
240			`stfd f19, 152(r3)`
241			`stfd f20, 160(r3)`
242			`stfd f21, 168(r3)`
243			`stfd f22, 176(r3)`
244			`stfd f23, 184(r3)`
245			`stfd f24, 192(r3)`
246			`stfd f25, 200(r3)`
247			`stfd f26, 208(r3)`
248			`stfd f27, 216(r3)`
249			`stfd f28, 224(r3)`
250			`stfd f29, 232(r3)`
251			`stfd f30, 240(r3)`
252			`stfd f31, 248(r3)`
253
254			`/* Also save the FPSCR. */`
255			`mffs f31`
256			`stfs f31, 256(r3)`
257
258			`#else`
259
260			`/* Buffer address is in r3. Save each flop register into an offset from`
261			`this buffer address. */`
262			`stfs f0, 0(r3)`
263			`stfs f1, 4(r3)`
264			`stfs f2, 8(r3)`
265			`stfs f3, 12(r3)`
266			`stfs f4, 16(r3)`
267			`stfs f5, 20(r3)`
268			`stfs f6, 24(r3)`
269			`stfs f7, 28(r3)`
270			`stfs f8, 32(r3)`
271			`stfs f9, 36(r3)`
272			`stfs f10, 40(r3)`
273			`stfs f11, 44(r3)`
274			`stfs f12, 48(r3)`
275			`stfs f13, 52(r3)`
276			`stfs f14, 56(r3)`
277			`stfs f15, 60(r3)`
278			`stfs f16, 64(r3)`
279			`stfs f17, 68(r3)`
280			`stfs f18, 72(r3)`
281			`stfs f19, 76(r3)`
282			`stfs f20, 80(r3)`
283			`stfs f21, 84(r3)`
284			`stfs f22, 88(r3)`
285			`stfs f23, 92(r3)`
286			`stfs f24, 96(r3)`
287			`stfs f25, 100(r3)`
288			`stfs f26, 104(r3)`
289			`stfs f27, 108(r3)`
290			`stfs f28, 112(r3)`
291			`stfs f29, 116(r3)`
292			`stfs f30, 120(r3)`
293			`stfs f31, 124(r3)`
294
295			`/* Also save the FPSCR. */`
296			`mffs f31`
297			`stfs f31, 128(r3)`
298
299			`#endif`
300
301			`blr`
302
303			`#endif /* configUSE_FPU. */`
304
305
306			`#if configUSE_FPU == 1`
307
308			`vPortRestoreFPURegisters:`
309
310			`/* Enable APU and mark FPU as present. */`
311			`mfmsr r0`
312			`xor r30, r30, r30`
313			`oris r30, r30, 512`
314			`ori r30, r30, 8192`
315			`or r0, r0, r30`
316			`mtmsr r0`
317
318			`#ifdef USE_DP_FPU`
319
320			`/* Buffer address is in r3. Restore each flop register from an offset`
321			`into this buffer.`
322
323			`First the FPSCR. */`
324			`lfs f31, 256(r3)`
325			`mtfsf f31, 7`
326
327			`lfd f0, 0(r3)`
328			`lfd f1, 8(r3)`
329			`lfd f2, 16(r3)`
330			`lfd f3, 24(r3)`
331			`lfd f4, 32(r3)`
332			`lfd f5, 40(r3)`
333			`lfd f6, 48(r3)`
334			`lfd f7, 56(r3)`
335			`lfd f8, 64(r3)`
336			`lfd f9, 72(r3)`
337			`lfd f10, 80(r3)`
338			`lfd f11, 88(r3)`
339			`lfd f12, 96(r3)`
340			`lfd f13, 104(r3)`
341			`lfd f14, 112(r3)`
342			`lfd f15, 120(r3)`
343			`lfd f16, 128(r3)`
344			`lfd f17, 136(r3)`
345			`lfd f18, 144(r3)`
346			`lfd f19, 152(r3)`
347			`lfd f20, 160(r3)`
348			`lfd f21, 168(r3)`
349			`lfd f22, 176(r3)`
350			`lfd f23, 184(r3)`
351			`lfd f24, 192(r3)`
352			`lfd f25, 200(r3)`
353			`lfd f26, 208(r3)`
354			`lfd f27, 216(r3)`
355			`lfd f28, 224(r3)`
356			`lfd f29, 232(r3)`
357			`lfd f30, 240(r3)`
358			`lfd f31, 248(r3)`
359
360			`#else`
361
362			`/* Buffer address is in r3. Restore each flop register from an offset`
363			`into this buffer.`
364
365			`First the FPSCR. */`
366			`lfs f31, 128(r3)`
367			`mtfsf f31, 7`
368
369			`lfs f0, 0(r3)`
370			`lfs f1, 4(r3)`
371			`lfs f2, 8(r3)`
372			`lfs f3, 12(r3)`
373			`lfs f4, 16(r3)`
374			`lfs f5, 20(r3)`
375			`lfs f6, 24(r3)`
376			`lfs f7, 28(r3)`
377			`lfs f8, 32(r3)`
378			`lfs f9, 36(r3)`
379			`lfs f10, 40(r3)`
380			`lfs f11, 44(r3)`
381			`lfs f12, 48(r3)`
382			`lfs f13, 52(r3)`
383			`lfs f14, 56(r3)`
384			`lfs f15, 60(r3)`
385			`lfs f16, 64(r3)`
386			`lfs f17, 68(r3)`
387			`lfs f18, 72(r3)`
388			`lfs f19, 76(r3)`
389			`lfs f20, 80(r3)`
390			`lfs f21, 84(r3)`
391			`lfs f22, 88(r3)`
392			`lfs f23, 92(r3)`
393			`lfs f24, 96(r3)`
394			`lfs f25, 100(r3)`
395			`lfs f26, 104(r3)`
396			`lfs f27, 108(r3)`
397			`lfs f28, 112(r3)`
398			`lfs f29, 116(r3)`
399			`lfs f30, 120(r3)`
400			`lfs f31, 124(r3)`
401
402			`#endif`
403
404			`blr`
405
406			`#endif /* configUSE_FPU. */`
407
408