URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [OpenRISC/] [portasm.S] - Blame information for rev 612

Go to most recent revision | Details | Compare with Previous | View Log


#include "port_spr_defs.h"
 
        .file           "portasm.S"
        .section        .text
 
.text
.global vPortDisableInterrupts
.type   vPortDisableInterrupts, %function
vPortDisableInterrupts:
        l.mfspr r3, r0, SPR_SR          # get current SR
        l.addi  r4, r0, SPR_SR_TEE
        l.xori  r4, r4, 0xffffffff
        l.and   r3, r3, r4                      # disable Tick Timer Interrupt
        l.addi  r4, r0, SPR_SR_IEE
        l.xori  r4, r4, 0xffffffff
        l.and   r3, r3, r4                      # disable External Interrupt
        l.mtspr r0, r3, SPR_SR          # update SR
        l.jr    r9
.size   vPortDisableInterrupts, .-vPortDisableInterrupts
 
 
.text
.global vPortEnableInterrupts
.type   vPortEnableInterrupts, %function
vPortEnableInterrupts:
        l.mfspr r3, r0, SPR_SR          # get current SR
        l.ori   r3, r3, SPR_SR_TEE      # enable Tick Timer Interrup
        l.ori   r3, r3, SPR_SR_IEE      # enable External Interrupt
        l.mtspr r0, r3, SPR_SR          # update SR
        l.jr    r9
.size   vPortEnableInterrupts, .-vPortEnableInterrupts
 
.text
.global vTickHandler
.type   vTickHandler, %function
vTickHandler:
        # portSAVE_CONTEXT
        .global pxCurrentTCB
        # make rooms in stack
        l.addi  r1, r1, -128
        # early save r3-r5, these are clobber register
        l.sw    0x08(r1), r3
        l.sw    0x0C(r1), r4
        l.sw    0x10(r1), r5
        # save SPR_ESR_BASE(0), SPR_EPCR_BASE(0)
        l.mfspr r3, r0, (0<<11) + 64
        l.mfspr r4, r0, (0<<11) + 32
        l.sw    0x78(r1), r3
        l.sw    0x7C(r1), r4
        l.sw    0x00(r1), r9
        # Save Context
        l.sw    0x04(r1), r2
        l.sw    0x14(r1), r6
        l.sw    0x18(r1), r7
        l.sw    0x1C(r1), r8
        l.sw    0x20(r1), r10
        l.sw    0x24(r1), r11
        l.sw    0x28(r1), r12
        l.sw    0x2C(r1), r13
        l.sw    0x30(r1), r14
        l.sw    0x34(r1), r15
        l.sw    0x38(r1), r16
        l.sw    0x3C(r1), r17
        l.sw    0x40(r1), r18
        l.sw    0x44(r1), r19
        l.sw    0x48(r1), r20
        l.sw    0x4C(r1), r21
        l.sw    0x50(r1), r22
        l.sw    0x54(r1), r23
        l.sw    0x58(r1), r24
        l.sw    0x5C(r1), r25
        l.sw    0x60(r1), r26
        l.sw    0x64(r1), r27
        l.sw    0x68(r1), r28
        l.sw    0x6C(r1), r29
        l.sw    0x70(r1), r30
        l.sw    0x74(r1), r31
        # Save the top of stack in TCB
        l.movhi r3, hi(pxCurrentTCB)
        l.ori   r3, r3, lo(pxCurrentTCB)
        l.lwz   r3, 0x0(r3)
        l.sw    0x0(r3), r1
        # restore clobber register
        l.lwz   r3, 0x08(r1)
        l.lwz   r4, 0x0C(r1)
        l.lwz   r5, 0x10(r1)
 
        l.mfspr r3, r0, SPR_TTMR
        l.movhi r4, hi(SPR_TTMR_IP)
        l.ori   r4, r4, lo(SPR_TTMR_IP)
        l.xori  r4, r4, 0xffffffff
        l.and   r3, r3, r4                              # clear tick timer interrupt
        l.mtspr r0, r3, SPR_TTMR
 
        l.jal   vTaskIncrementTick
        l.nop
.if configUSE_PREEMPTION == 0
        # do nothing
.else
        l.jal   vTaskSwitchContext
        l.nop
.endif
 
        # portRESTORE_CONTEXT
        l.movhi r3, hi(pxCurrentTCB)
        l.ori   r3, r3, lo(pxCurrentTCB)
        l.lwz   r3, 0x0(r3)
        l.lwz   r1, 0x0(r3)
        # restore context
        l.lwz   r9, 0x00(r1)
        l.lwz   r2, 0x04(r1)
        l.lwz   r6, 0x14(r1)
        l.lwz   r7, 0x18(r1)
        l.lwz   r8, 0x1C(r1)
        l.lwz   r10, 0x20(r1)
        l.lwz   r11, 0x24(r1)
        l.lwz   r12, 0x28(r1)
        l.lwz   r13, 0x2C(r1)
        l.lwz   r14, 0x30(r1)
        l.lwz   r15, 0x34(r1)
        l.lwz   r16, 0x38(r1)
        l.lwz   r17, 0x3C(r1)
        l.lwz   r18, 0x40(r1)
        l.lwz   r19, 0x44(r1)
        l.lwz   r20, 0x48(r1)
        l.lwz   r21, 0x4C(r1)
        l.lwz   r22, 0x50(r1)
        l.lwz   r23, 0x54(r1)
        l.lwz   r24, 0x58(r1)
        l.lwz   r25, 0x5C(r1)
        l.lwz   r26, 0x60(r1)
        l.lwz   r27, 0x64(r1)
        l.lwz   r28, 0x68(r1)
        l.lwz   r29, 0x6C(r1)
        l.lwz   r30, 0x70(r1)
        l.lwz   r31, 0x74(r1)
        # restore SPR_ESR_BASE(0), SPR_EPCR_BASE(0)
        l.lwz   r3, 0x78(r1)
        l.lwz   r4, 0x7C(r1)
        l.mtspr r0, r3, (0<<11) + 64
        l.mtspr r0, r4, (0<<11) + 32
        # restore clobber register
        l.lwz   r3, 0x08(r1)
        l.lwz   r4, 0x0C(r1)
        l.lwz   r5, 0x10(r1)
        l.addi  r1, r1, 128
        l.rfe
        l.nop
 
.size   vTickHandler, .-vTickHandler
 
 
.text
.global PortCC
.type   PortCC, %function
PortCC:
        # portSAVE_CONTEXT
        .global pxCurrentTCB
        l.lwz   r11, 0x0(r1)
        l.addi  r1, r1, 4
        # make rooms in stack
        l.addi  r1, r1, -128
        # early save r3-r5, these are clobber register
        l.sw    0x08(r1), r3
        l.sw    0x0C(r1), r4
        l.sw    0x10(r1), r5
        # save SPR_ESR_BASE(0), SPR_EPCR_BASE(0)
        l.mfspr r3, r0, (0<<11) + 64
        l.mfspr r4, r0, (0<<11) + 32
        l.sw    0x78(r1), r3
        l.sw    0x7C(r1), r4
        l.sw    0x00(r1), r9
        # Save Context
        l.sw    0x04(r1), r2
        l.sw    0x14(r1), r6
        l.sw    0x18(r1), r7
        l.sw    0x1C(r1), r8
        l.sw    0x20(r1), r10
        l.sw    0x24(r1), r11
        l.sw    0x28(r1), r12
        l.sw    0x2C(r1), r13
        l.sw    0x30(r1), r14
        l.sw    0x34(r1), r15
        l.sw    0x38(r1), r16
        l.sw    0x3C(r1), r17
        l.sw    0x40(r1), r18
        l.sw    0x44(r1), r19
        l.sw    0x48(r1), r20
        l.sw    0x4C(r1), r21
        l.sw    0x50(r1), r22
        l.sw    0x54(r1), r23
        l.sw    0x58(r1), r24
        l.sw    0x5C(r1), r25
        l.sw    0x60(r1), r26
        l.sw    0x64(r1), r27
        l.sw    0x68(r1), r28
        l.sw    0x6C(r1), r29
        l.sw    0x70(r1), r30
        l.sw    0x74(r1), r31
        # Save the top of stack in TCB
        l.movhi r3, hi(pxCurrentTCB)
        l.ori   r3, r3, lo(pxCurrentTCB)
        l.lwz   r3, 0x0(r3)
        l.sw    0x0(r3), r1
        # restore clobber register
        l.lwz   r3, 0x08(r1)
        l.lwz   r4, 0x0C(r1)
        l.lwz   r5, 0x10(r1)
 
        l.nop
        l.jal   vTaskSwitchContext
        l.nop
 
        # portRESTORE_CONTEXT
        l.movhi r3, hi(pxCurrentTCB)
        l.ori   r3, r3, lo(pxCurrentTCB)
        l.lwz   r3, 0x0(r3)
        l.lwz   r1, 0x0(r3)
        # restore context
        l.lwz   r9, 0x00(r1)
        l.lwz   r2, 0x04(r1)
        l.lwz   r6, 0x14(r1)
        l.lwz   r7, 0x18(r1)
        l.lwz   r8, 0x1C(r1)
        l.lwz   r10, 0x20(r1)
        l.lwz   r11, 0x24(r1)
        l.lwz   r12, 0x28(r1)
        l.lwz   r13, 0x2C(r1)
        l.lwz   r14, 0x30(r1)
        l.lwz   r15, 0x34(r1)
        l.lwz   r16, 0x38(r1)
        l.lwz   r17, 0x3C(r1)
        l.lwz   r18, 0x40(r1)
        l.lwz   r19, 0x44(r1)
        l.lwz   r20, 0x48(r1)
        l.lwz   r21, 0x4C(r1)
        l.lwz   r22, 0x50(r1)
        l.lwz   r23, 0x54(r1)
        l.lwz   r24, 0x58(r1)
        l.lwz   r25, 0x5C(r1)
        l.lwz   r26, 0x60(r1)
        l.lwz   r27, 0x64(r1)
        l.lwz   r28, 0x68(r1)
        l.lwz   r29, 0x6C(r1)
        l.lwz   r30, 0x70(r1)
        l.lwz   r31, 0x74(r1)
        # restore SPR_ESR_BASE(0), SPR_EPCR_BASE(0)
        l.lwz   r3, 0x78(r1)
        l.lwz   r4, 0x7C(r1)
        l.mtspr r0, r3, (0<<11) + 64
        l.mtspr r0, r4, (0<<11) + 32
        # restore clobber register
        l.lwz   r3, 0x08(r1)
        l.lwz   r4, 0x0C(r1)
        l.lwz   r5, 0x10(r1)
        l.addi  r1, r1, 128
        l.rfe
        l.nop
 
.size   PortCC, .-PortCC

Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [OpenRISC/] [portasm.S] - Blame information for rev 612

Line No.	Rev	Author	Line
1	572	jeremybenn	`#include "port_spr_defs.h"`
2
3			`.file "portasm.S"`
4			`.section .text`
5
6			`.text`
7			`.global vPortDisableInterrupts`
8			`.type vPortDisableInterrupts, %function`
9			`vPortDisableInterrupts:`
10			`l.mfspr r3, r0, SPR_SR # get current SR`
11			`l.addi r4, r0, SPR_SR_TEE`
12			`l.xori r4, r4, 0xffffffff`
13			`l.and r3, r3, r4 # disable Tick Timer Interrupt`
14			`l.addi r4, r0, SPR_SR_IEE`
15			`l.xori r4, r4, 0xffffffff`
16			`l.and r3, r3, r4 # disable External Interrupt`
17			`l.mtspr r0, r3, SPR_SR # update SR`
18			`l.jr r9`
19			`.size vPortDisableInterrupts, .-vPortDisableInterrupts`
20
21
22			`.text`
23			`.global vPortEnableInterrupts`
24			`.type vPortEnableInterrupts, %function`
25			`vPortEnableInterrupts:`
26			`l.mfspr r3, r0, SPR_SR # get current SR`
27			`l.ori r3, r3, SPR_SR_TEE # enable Tick Timer Interrup`
28			`l.ori r3, r3, SPR_SR_IEE # enable External Interrupt`
29			`l.mtspr r0, r3, SPR_SR # update SR`
30			`l.jr r9`
31			`.size vPortEnableInterrupts, .-vPortEnableInterrupts`
32
33			`.text`
34			`.global vTickHandler`
35			`.type vTickHandler, %function`
36			`vTickHandler:`
37			`# portSAVE_CONTEXT`
38			`.global pxCurrentTCB`
39			`# make rooms in stack`
40			`l.addi r1, r1, -128`
41			`# early save r3-r5, these are clobber register`
42			`l.sw 0x08(r1), r3`
43			`l.sw 0x0C(r1), r4`
44			`l.sw 0x10(r1), r5`
45			`# save SPR_ESR_BASE(0), SPR_EPCR_BASE(0)`
46			`l.mfspr r3, r0, (0<<11) + 64`
47			`l.mfspr r4, r0, (0<<11) + 32`
48			`l.sw 0x78(r1), r3`
49			`l.sw 0x7C(r1), r4`
50			`l.sw 0x00(r1), r9`
51			`# Save Context`
52			`l.sw 0x04(r1), r2`
53			`l.sw 0x14(r1), r6`
54			`l.sw 0x18(r1), r7`
55			`l.sw 0x1C(r1), r8`
56			`l.sw 0x20(r1), r10`
57			`l.sw 0x24(r1), r11`
58			`l.sw 0x28(r1), r12`
59			`l.sw 0x2C(r1), r13`
60			`l.sw 0x30(r1), r14`
61			`l.sw 0x34(r1), r15`
62			`l.sw 0x38(r1), r16`
63			`l.sw 0x3C(r1), r17`
64			`l.sw 0x40(r1), r18`
65			`l.sw 0x44(r1), r19`
66			`l.sw 0x48(r1), r20`
67			`l.sw 0x4C(r1), r21`
68			`l.sw 0x50(r1), r22`
69			`l.sw 0x54(r1), r23`
70			`l.sw 0x58(r1), r24`
71			`l.sw 0x5C(r1), r25`
72			`l.sw 0x60(r1), r26`
73			`l.sw 0x64(r1), r27`
74			`l.sw 0x68(r1), r28`
75			`l.sw 0x6C(r1), r29`
76			`l.sw 0x70(r1), r30`
77			`l.sw 0x74(r1), r31`
78			`# Save the top of stack in TCB`
79			`l.movhi r3, hi(pxCurrentTCB)`
80			`l.ori r3, r3, lo(pxCurrentTCB)`
81			`l.lwz r3, 0x0(r3)`
82			`l.sw 0x0(r3), r1`
83			`# restore clobber register`
84			`l.lwz r3, 0x08(r1)`
85			`l.lwz r4, 0x0C(r1)`
86			`l.lwz r5, 0x10(r1)`
87
88			`l.mfspr r3, r0, SPR_TTMR`
89			`l.movhi r4, hi(SPR_TTMR_IP)`
90			`l.ori r4, r4, lo(SPR_TTMR_IP)`
91			`l.xori r4, r4, 0xffffffff`
92			`l.and r3, r3, r4 # clear tick timer interrupt`
93			`l.mtspr r0, r3, SPR_TTMR`
94
95			`l.jal vTaskIncrementTick`
96			`l.nop`
97			`.if configUSE_PREEMPTION == 0`
98			`# do nothing`
99			`.else`
100			`l.jal vTaskSwitchContext`
101			`l.nop`
102			`.endif`
103
104			`# portRESTORE_CONTEXT`
105			`l.movhi r3, hi(pxCurrentTCB)`
106			`l.ori r3, r3, lo(pxCurrentTCB)`
107			`l.lwz r3, 0x0(r3)`
108			`l.lwz r1, 0x0(r3)`
109			`# restore context`
110			`l.lwz r9, 0x00(r1)`
111			`l.lwz r2, 0x04(r1)`
112			`l.lwz r6, 0x14(r1)`
113			`l.lwz r7, 0x18(r1)`
114			`l.lwz r8, 0x1C(r1)`
115			`l.lwz r10, 0x20(r1)`
116			`l.lwz r11, 0x24(r1)`
117			`l.lwz r12, 0x28(r1)`
118			`l.lwz r13, 0x2C(r1)`
119			`l.lwz r14, 0x30(r1)`
120			`l.lwz r15, 0x34(r1)`
121			`l.lwz r16, 0x38(r1)`
122			`l.lwz r17, 0x3C(r1)`
123			`l.lwz r18, 0x40(r1)`
124			`l.lwz r19, 0x44(r1)`
125			`l.lwz r20, 0x48(r1)`
126			`l.lwz r21, 0x4C(r1)`
127			`l.lwz r22, 0x50(r1)`
128			`l.lwz r23, 0x54(r1)`
129			`l.lwz r24, 0x58(r1)`
130			`l.lwz r25, 0x5C(r1)`
131			`l.lwz r26, 0x60(r1)`
132			`l.lwz r27, 0x64(r1)`
133			`l.lwz r28, 0x68(r1)`
134			`l.lwz r29, 0x6C(r1)`
135			`l.lwz r30, 0x70(r1)`
136			`l.lwz r31, 0x74(r1)`
137			`# restore SPR_ESR_BASE(0), SPR_EPCR_BASE(0)`
138			`l.lwz r3, 0x78(r1)`
139			`l.lwz r4, 0x7C(r1)`
140			`l.mtspr r0, r3, (0<<11) + 64`
141			`l.mtspr r0, r4, (0<<11) + 32`
142			`# restore clobber register`
143			`l.lwz r3, 0x08(r1)`
144			`l.lwz r4, 0x0C(r1)`
145			`l.lwz r5, 0x10(r1)`
146			`l.addi r1, r1, 128`
147			`l.rfe`
148			`l.nop`
149
150			`.size vTickHandler, .-vTickHandler`
151
152
153			`.text`
154			`.global PortCC`
155			`.type PortCC, %function`
156			`PortCC:`
157			`# portSAVE_CONTEXT`
158			`.global pxCurrentTCB`
159			`l.lwz r11, 0x0(r1)`
160			`l.addi r1, r1, 4`
161			`# make rooms in stack`
162			`l.addi r1, r1, -128`
163			`# early save r3-r5, these are clobber register`
164			`l.sw 0x08(r1), r3`
165			`l.sw 0x0C(r1), r4`
166			`l.sw 0x10(r1), r5`
167			`# save SPR_ESR_BASE(0), SPR_EPCR_BASE(0)`
168			`l.mfspr r3, r0, (0<<11) + 64`
169			`l.mfspr r4, r0, (0<<11) + 32`
170			`l.sw 0x78(r1), r3`
171			`l.sw 0x7C(r1), r4`
172			`l.sw 0x00(r1), r9`
173			`# Save Context`
174			`l.sw 0x04(r1), r2`
175			`l.sw 0x14(r1), r6`
176			`l.sw 0x18(r1), r7`
177			`l.sw 0x1C(r1), r8`
178			`l.sw 0x20(r1), r10`
179			`l.sw 0x24(r1), r11`
180			`l.sw 0x28(r1), r12`
181			`l.sw 0x2C(r1), r13`
182			`l.sw 0x30(r1), r14`
183			`l.sw 0x34(r1), r15`
184			`l.sw 0x38(r1), r16`
185			`l.sw 0x3C(r1), r17`
186			`l.sw 0x40(r1), r18`
187			`l.sw 0x44(r1), r19`
188			`l.sw 0x48(r1), r20`
189			`l.sw 0x4C(r1), r21`
190			`l.sw 0x50(r1), r22`
191			`l.sw 0x54(r1), r23`
192			`l.sw 0x58(r1), r24`
193			`l.sw 0x5C(r1), r25`
194			`l.sw 0x60(r1), r26`
195			`l.sw 0x64(r1), r27`
196			`l.sw 0x68(r1), r28`
197			`l.sw 0x6C(r1), r29`
198			`l.sw 0x70(r1), r30`
199			`l.sw 0x74(r1), r31`
200			`# Save the top of stack in TCB`
201			`l.movhi r3, hi(pxCurrentTCB)`
202			`l.ori r3, r3, lo(pxCurrentTCB)`
203			`l.lwz r3, 0x0(r3)`
204			`l.sw 0x0(r3), r1`
205			`# restore clobber register`
206			`l.lwz r3, 0x08(r1)`
207			`l.lwz r4, 0x0C(r1)`
208			`l.lwz r5, 0x10(r1)`
209
210			`l.nop`
211			`l.jal vTaskSwitchContext`
212			`l.nop`
213
214			`# portRESTORE_CONTEXT`
215			`l.movhi r3, hi(pxCurrentTCB)`
216			`l.ori r3, r3, lo(pxCurrentTCB)`
217			`l.lwz r3, 0x0(r3)`
218			`l.lwz r1, 0x0(r3)`
219			`# restore context`
220			`l.lwz r9, 0x00(r1)`
221			`l.lwz r2, 0x04(r1)`
222			`l.lwz r6, 0x14(r1)`
223			`l.lwz r7, 0x18(r1)`
224			`l.lwz r8, 0x1C(r1)`
225			`l.lwz r10, 0x20(r1)`
226			`l.lwz r11, 0x24(r1)`
227			`l.lwz r12, 0x28(r1)`
228			`l.lwz r13, 0x2C(r1)`
229			`l.lwz r14, 0x30(r1)`
230			`l.lwz r15, 0x34(r1)`
231			`l.lwz r16, 0x38(r1)`
232			`l.lwz r17, 0x3C(r1)`
233			`l.lwz r18, 0x40(r1)`
234			`l.lwz r19, 0x44(r1)`
235			`l.lwz r20, 0x48(r1)`
236			`l.lwz r21, 0x4C(r1)`
237			`l.lwz r22, 0x50(r1)`
238			`l.lwz r23, 0x54(r1)`
239			`l.lwz r24, 0x58(r1)`
240			`l.lwz r25, 0x5C(r1)`
241			`l.lwz r26, 0x60(r1)`
242			`l.lwz r27, 0x64(r1)`
243			`l.lwz r28, 0x68(r1)`
244			`l.lwz r29, 0x6C(r1)`
245			`l.lwz r30, 0x70(r1)`
246			`l.lwz r31, 0x74(r1)`
247			`# restore SPR_ESR_BASE(0), SPR_EPCR_BASE(0)`
248			`l.lwz r3, 0x78(r1)`
249			`l.lwz r4, 0x7C(r1)`
250			`l.mtspr r0, r3, (0<<11) + 64`
251			`l.mtspr r0, r4, (0<<11) + 32`
252			`# restore clobber register`
253			`l.lwz r3, 0x08(r1)`
254			`l.lwz r4, 0x0C(r1)`
255			`l.lwz r5, 0x10(r1)`
256			`l.addi r1, r1, 128`
257			`l.rfe`
258			`l.nop`
259
260			`.size PortCC, .-PortCC`