diff options
Diffstat (limited to 'FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/full_demo/RegTest.S')
| -rw-r--r-- | FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/full_demo/RegTest.S | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/full_demo/RegTest.S b/FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/full_demo/RegTest.S new file mode 100644 index 000000000..bd26ff798 --- /dev/null +++ b/FreeRTOS/Demo/RISC-V_RV64_PolarFire_SoftConsole/full_demo/RegTest.S @@ -0,0 +1,264 @@ +/* + * FreeRTOS V202107.00 + * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * http://www.FreeRTOS.org + * http://aws.amazon.com/freertos + * + * 1 tab == 4 spaces! + */ + + .extern ulRegisterTest1Counter + .extern ulRegisterTest2Counter + + .global vRegTest1Implementation + .global vRegTest2Implementation + +/*-----------------------------------------------------------*/ + +/* + * The register check tasks are described in the comments at the top of + * main_full.c. + */ + +.align( 4 ) +vRegTest1Implementation: + + /* Fill the core registers with known values. */ + li x5, 0x5 + li x6, 0x6 + li x7, 0x7 + li x8, 0x8 + li x9, 0x9 + li x10, 0xa + li x11, 0xb + li x12, 0xc + li x13, 0xd + li x14, 0xe + li x15, 0xf + li x16, 0x10 + li x17, 0x11 + li x18, 0x12 + li x19, 0x13 + li x20, 0x14 + li x21, 0x15 + li x22, 0x16 + li x23, 0x17 + li x24, 0x18 + li x25, 0x19 + li x26, 0x1a + li x27, 0x1b + li x28, 0x1c + li x29, 0x1d + li x30, 0x1e + +reg1_loop: + + /* Check each register still contains the expected known value. + vRegTest1Implementation uses x31 as the temporary, vRegTest2Implementation + uses x5 as the temporary. */ + li x31, 0x5 + bne x31, x5, reg1_error_loop + li x31, 0x6 + bne x31, x6, reg1_error_loop + li x31, 0x7 + bne x31, x7, reg1_error_loop + li x31, 0x8 + bne x31, x8, reg1_error_loop + li x31, 0x9 + bne x31, x9, reg1_error_loop + li x31, 0xa + bne x31, x10, reg1_error_loop + li x31, 0xb + bne x31, x11, reg1_error_loop + li x31, 0xc + bne x31, x12, reg1_error_loop + li x31, 0xd + bne x31, x13, reg1_error_loop + li x31, 0xe + bne x31, x14, reg1_error_loop + li x31, 0xf + bne x31, x15, reg1_error_loop + li x31, 0x10 + bne x31, x16, reg1_error_loop + li x31, 0x11 + bne x31, x17, reg1_error_loop + li x31, 0x12 + bne x31, x18, reg1_error_loop + li x31, 0x13 + bne x31, x19, reg1_error_loop + li x31, 0x14 + bne x31, x20, reg1_error_loop + li x31, 0x15 + bne x31, x21, reg1_error_loop + li x31, 0x16 + bne x31, x22, reg1_error_loop + li x31, 0x17 + bne x31, x23, reg1_error_loop + li x31, 0x18 + bne x31, x24, reg1_error_loop + li x31, 0x19 + bne x31, x25, reg1_error_loop + li x31, 0x1a + bne x31, x26, reg1_error_loop + li x31, 0x1b + bne x31, x27, reg1_error_loop + li x31, 0x1c + bne x31, x28, reg1_error_loop + li x31, 0x1d + bne x31, x29, reg1_error_loop + li x31, 0x1e + bne x31, x30, reg1_error_loop + + /* Everything passed, increment the loop counter. */ + lw x31, ulRegisterTest1CounterConst + lw x30, 0(x31) + addi x30, x30, 1 + sw x30, 0(x31) + + /* Restore clobbered register reading for next loop. */ + li x30, 0x1e + + /* Yield to increase code coverage. */ + ecall + + /* Start again. */ + jal reg1_loop + +reg1_error_loop: + /* Jump here if a register contains an uxpected value. This stops the loop + counter being incremented so the check task knows an error was found. */ + ebreak + jal reg1_error_loop + +.align( 4 ) +ulRegisterTest1CounterConst: .word ulRegisterTest1Counter + +/*-----------------------------------------------------------*/ + +.align( 4 ) +vRegTest2Implementation: + + /* Fill the core registers with known values. */ + li x6, 0x61 + li x7, 0x71 + li x8, 0x81 + li x9, 0x91 + li x10, 0xa1 + li x11, 0xb1 + li x12, 0xc1 + li x13, 0xd1 + li x14, 0xe1 + li x15, 0xf1 + li x16, 0x20 + li x17, 0x21 + li x18, 0x22 + li x19, 0x23 + li x20, 0x24 + li x21, 0x25 + li x22, 0x26 + li x23, 0x27 + li x24, 0x28 + li x25, 0x29 + li x26, 0x2a + li x27, 0x2b + li x28, 0x2c + li x29, 0x2d + li x30, 0x2e + li x31, 0x2f + +Reg2_loop: + + /* Check each register still contains the expected known value. + vRegTest2Implementation uses x5 as the temporary, vRegTest1Implementation + uses x31 as the temporary. */ + li x5, 0x61 + bne x5, x6, reg2_error_loop + li x5, 0x71 + bne x5, x7, reg2_error_loop + li x5, 0x81 + bne x5, x8, reg2_error_loop + li x5, 0x91 + bne x5, x9, reg2_error_loop + li x5, 0xa1 + bne x5, x10, reg2_error_loop + li x5, 0xb1 + bne x5, x11, reg2_error_loop + li x5, 0xc1 + bne x5, x12, reg2_error_loop + li x5, 0xd1 + bne x5, x13, reg2_error_loop + li x5, 0xe1 + bne x5, x14, reg2_error_loop + li x5, 0xf1 + bne x5, x15, reg2_error_loop + li x5, 0x20 + bne x5, x16, reg2_error_loop + li x5, 0x21 + bne x5, x17, reg2_error_loop + li x5, 0x22 + bne x5, x18, reg2_error_loop + li x5, 0x23 + bne x5, x19, reg2_error_loop + li x5, 0x24 + bne x5, x20, reg2_error_loop + li x5, 0x25 + bne x5, x21, reg2_error_loop + li x5, 0x26 + bne x5, x22, reg2_error_loop + li x5, 0x27 + bne x5, x23, reg2_error_loop + li x5, 0x28 + bne x5, x24, reg2_error_loop + li x5, 0x29 + bne x5, x25, reg2_error_loop + li x5, 0x2a + bne x5, x26, reg2_error_loop + li x5, 0x2b + bne x5, x27, reg2_error_loop + li x5, 0x2c + bne x5, x28, reg2_error_loop + li x5, 0x2d + bne x5, x29, reg2_error_loop + li x5, 0x2e + bne x5, x30, reg2_error_loop + li x5, 0x2f + bne x5, x31, reg2_error_loop + + /* Everything passed, increment the loop counter. */ + lw x5, ulRegisterTest2CounterConst + lw x6, 0(x5) + addi x6, x6, 1 + sw x6, 0(x5) + + /* Restore clobbered register reading for next loop. */ + li x6, 0x61 + + /* Start again. */ + jal Reg2_loop + +reg2_error_loop: + /* Jump here if a register contains an uxpected value. This stops the loop + counter being incremented so the check task knows an error was found. */ + ebreak + jal reg2_error_loop + +.align( 4 ) +ulRegisterTest2CounterConst: .word ulRegisterTest2Counter |