2 * FreeRTOS Kernel V10.0.0
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software. If you wish to use our Amazon
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14 * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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18 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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19 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 * http://www.FreeRTOS.org
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24 * http://aws.amazon.com/freertos
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26 * 1 tab == 4 spaces!
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29 .global vRegTest1Implementation
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30 .global vRegTest2Implementation
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31 .extern ulRegTest1LoopCounter
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32 .extern ulRegTest2LoopCounter
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37 /* This function is explained in the comments at the top of main-full.c. */
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38 .type vRegTest1Implementation, %function
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39 vRegTest1Implementation:
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41 /* Fill each general purpose register with a known value. */
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58 /* Fill each FPU register with a known value. */
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76 /* Loop, checking each iteration that each register still contains the
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79 /* Yield to increase test coverage */
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82 /* Check all the VFP registers still contain the values set above.
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83 First save registers that are clobbered by the test. */
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88 bne reg1_error_loopf
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90 bne reg1_error_loopf
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93 bne reg1_error_loopf
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95 bne reg1_error_loopf
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98 bne reg1_error_loopf
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100 bne reg1_error_loopf
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103 bne reg1_error_loopf
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105 bne reg1_error_loopf
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108 bne reg1_error_loopf
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110 bne reg1_error_loopf
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113 bne reg1_error_loopf
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115 bne reg1_error_loopf
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118 bne reg1_error_loopf
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120 bne reg1_error_loopf
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123 bne reg1_error_loopf
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125 bne reg1_error_loopf
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128 bne reg1_error_loopf
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130 bne reg1_error_loopf
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133 bne reg1_error_loopf
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135 bne reg1_error_loopf
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138 bne reg1_error_loopf
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140 bne reg1_error_loopf
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143 bne reg1_error_loopf
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145 bne reg1_error_loopf
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148 bne reg1_error_loopf
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150 bne reg1_error_loopf
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153 bne reg1_error_loopf
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155 bne reg1_error_loopf
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158 bne reg1_error_loopf
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160 bne reg1_error_loopf
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163 bne reg1_error_loopf
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165 bne reg1_error_loopf
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168 /* Restore the registers that were clobbered by the test. */
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171 /* VFP register test passed. Jump to the core register test. */
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175 /* If this line is hit then a VFP register value was found to be
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181 /* Test each general purpose register to check that it still contains the
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182 expected known value, jumping to reg1_error_loop if any register contains
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183 an unexpected value. */
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185 bne reg1_error_loop
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187 bne reg1_error_loop
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189 bne reg1_error_loop
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191 bne reg1_error_loop
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193 bne reg1_error_loop
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195 bne reg1_error_loop
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197 bne reg1_error_loop
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199 bne reg1_error_loop
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201 bne reg1_error_loop
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203 bne reg1_error_loop
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205 bne reg1_error_loop
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207 bne reg1_error_loop
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209 bne reg1_error_loop
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211 bne reg1_error_loop
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213 /* Everything passed, increment the loop counter. */
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215 ldr r0, =ulRegTest1LoopCounter
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225 /* If this line is hit then there was an error in a core register value.
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226 The loop ensures the loop counter stops incrementing. */
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230 /*-----------------------------------------------------------*/
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232 .type vRegTest2Implementation, %function
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233 vRegTest2Implementation:
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235 /* Put a known value in each register. */
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236 mov r0, #0xFF000000
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237 mov r1, #0x11000000
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238 mov r2, #0x22000000
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239 mov r3, #0x33000000
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240 mov r4, #0x44000000
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241 mov r5, #0x55000000
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242 mov r6, #0x66000000
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243 mov r7, #0x77000000
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244 mov r8, #0x88000000
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245 mov r9, #0x99000000
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246 mov r10, #0xAA000000
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247 mov r11, #0xBB000000
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248 mov r12, #0xCC000000
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249 mov r14, #0xEE000000
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251 /* Likewise the floating point registers */
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269 /* Loop, checking each iteration that each register still contains the
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272 /* Check all the VFP registers still contain the values set above.
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273 First save registers that are clobbered by the test. */
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277 cmp r0, #0xFF000000
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278 bne reg2_error_loopf
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279 cmp r1, #0x11000000
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280 bne reg2_error_loopf
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282 cmp r0, #0x22000000
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283 bne reg2_error_loopf
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284 cmp r1, #0x33000000
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285 bne reg2_error_loopf
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287 cmp r0, #0x44000000
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288 bne reg2_error_loopf
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289 cmp r1, #0x55000000
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290 bne reg2_error_loopf
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292 cmp r0, #0x66000000
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293 bne reg2_error_loopf
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294 cmp r1, #0x77000000
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295 bne reg2_error_loopf
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297 cmp r0, #0x88000000
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298 bne reg2_error_loopf
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299 cmp r1, #0x99000000
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300 bne reg2_error_loopf
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302 cmp r0, #0xAA000000
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303 bne reg2_error_loopf
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304 cmp r1, #0xBB000000
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305 bne reg2_error_loopf
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307 cmp r0, #0xFF000000
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308 bne reg2_error_loopf
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309 cmp r1, #0x11000000
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310 bne reg2_error_loopf
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312 cmp r0, #0x22000000
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313 bne reg2_error_loopf
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314 cmp r1, #0x33000000
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315 bne reg2_error_loopf
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317 cmp r0, #0x44000000
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318 bne reg2_error_loopf
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319 cmp r1, #0x55000000
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320 bne reg2_error_loopf
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322 cmp r0, #0x66000000
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323 bne reg2_error_loopf
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324 cmp r1, #0x77000000
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325 bne reg2_error_loopf
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327 cmp r0, #0x88000000
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328 bne reg2_error_loopf
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329 cmp r1, #0x99000000
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330 bne reg2_error_loopf
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332 cmp r0, #0xAA000000
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333 bne reg2_error_loopf
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334 cmp r1, #0xBB000000
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335 bne reg2_error_loopf
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337 cmp r0, #0xFF000000
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338 bne reg2_error_loopf
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339 cmp r1, #0x11000000
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340 bne reg2_error_loopf
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342 cmp r0, #0x22000000
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343 bne reg2_error_loopf
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344 cmp r1, #0x33000000
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345 bne reg2_error_loopf
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347 cmp r0, #0x44000000
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348 bne reg2_error_loopf
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349 cmp r1, #0x55000000
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350 bne reg2_error_loopf
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352 cmp r0, #0x66000000
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353 bne reg2_error_loopf
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354 cmp r1, #0x77000000
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355 bne reg2_error_loopf
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357 /* Restore the registers that were clobbered by the test. */
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360 /* VFP register test passed. Jump to the core register test. */
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364 /* If this line is hit then a VFP register value was found to be
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370 cmp r0, #0xFF000000
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371 bne reg2_error_loop
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372 cmp r1, #0x11000000
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373 bne reg2_error_loop
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374 cmp r2, #0x22000000
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375 bne reg2_error_loop
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376 cmp r3, #0x33000000
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377 bne reg2_error_loop
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378 cmp r4, #0x44000000
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379 bne reg2_error_loop
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380 cmp r5, #0x55000000
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381 bne reg2_error_loop
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382 cmp r6, #0x66000000
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383 bne reg2_error_loop
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384 cmp r7, #0x77000000
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385 bne reg2_error_loop
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386 cmp r8, #0x88000000
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387 bne reg2_error_loop
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388 cmp r9, #0x99000000
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389 bne reg2_error_loop
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390 cmp r10, #0xAA000000
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391 bne reg2_error_loop
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392 cmp r11, #0xBB000000
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393 bne reg2_error_loop
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394 cmp r12, #0xCC000000
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395 bne reg2_error_loop
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396 cmp r14, #0xEE000000
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397 bne reg2_error_loop
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399 /* Everything passed, increment the loop counter. */
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401 ldr r0, =ulRegTest2LoopCounter
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411 /* If this line is hit then there was an error in a core register value.
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412 The loop ensures the loop counter stops incrementing. */
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