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EXPORT vRegTest1Implementation
EXPORT vRegTest2Implementation
; This file is built with IAR and ARM compilers. When the ARM compiler
; is used the compiler options must define __IASMARM__ as 0 using the
; --predefine "__IASMARM__ SETA 0" command line option. When compiling
; with IAR __IASMARM__ is automatically set to 1 so no additional assembler
; options are required.
SECTION .text:CODE:ROOT(2)
ARM
; This function is explained in the comments at the top of main-full.c.
vRegTest1Implementation
PRESERVE8
IMPORT ulRegTest1LoopCounter
; Fill each general purpose register with a known value.
mov r0, #0xFF
mov r1, #0x11
mov r2, #0x22
mov r3, #0x33
mov r4, #0x44
mov r5, #0x55
mov r6, #0x66
mov r7, #0x77
mov r8, #0x88
mov r9, #0x99
mov r10, #0xAA
mov r11, #0xBB
mov r12, #0xCC
mov r14, #0xEE
; Fill each FPU register with a known value.
vmov d0, r0, r1
vmov d1, r2, r3
vmov d2, r4, r5
vmov d3, r6, r7
vmov d4, r8, r9
vmov d5, r10, r11
vmov d6, r0, r1
vmov d7, r2, r3
vmov d8, r4, r5
vmov d9, r6, r7
vmov d10, r8, r9
vmov d11, r10, r11
vmov d12, r0, r1
vmov d13, r2, r3
vmov d14, r4, r5
vmov d15, r6, r7
; Loop, checking each iteration that each register still contains the
; expected value.
reg1_loop
; Yield to increase test coverage
svc 0
; Check all the VFP registers still contain the values set above.
; First save registers that are clobbered by the test.
push { r0-r1 }
vmov r0, r1, d0
cmp r0, #0xFF
bne reg1_error_loopf
cmp r1, #0x11
bne reg1_error_loopf
vmov r0, r1, d1
cmp r0, #0x22
bne reg1_error_loopf
cmp r1, #0x33
bne reg1_error_loopf
vmov r0, r1, d2
cmp r0, #0x44
bne reg1_error_loopf
cmp r1, #0x55
bne reg1_error_loopf
vmov r0, r1, d3
cmp r0, #0x66
bne reg1_error_loopf
cmp r1, #0x77
bne reg1_error_loopf
vmov r0, r1, d4
cmp r0, #0x88
bne reg1_error_loopf
cmp r1, #0x99
bne reg1_error_loopf
vmov r0, r1, d5
cmp r0, #0xAA
bne reg1_error_loopf
cmp r1, #0xBB
bne reg1_error_loopf
vmov r0, r1, d6
cmp r0, #0xFF
bne reg1_error_loopf
cmp r1, #0x11
bne reg1_error_loopf
vmov r0, r1, d7
cmp r0, #0x22
bne reg1_error_loopf
cmp r1, #0x33
bne reg1_error_loopf
vmov r0, r1, d8
cmp r0, #0x44
bne reg1_error_loopf
cmp r1, #0x55
bne reg1_error_loopf
vmov r0, r1, d9
cmp r0, #0x66
bne reg1_error_loopf
cmp r1, #0x77
bne reg1_error_loopf
vmov r0, r1, d10
cmp r0, #0x88
bne reg1_error_loopf
cmp r1, #0x99
bne reg1_error_loopf
vmov r0, r1, d11
cmp r0, #0xAA
bne reg1_error_loopf
cmp r1, #0xBB
bne reg1_error_loopf
vmov r0, r1, d12
cmp r0, #0xFF
bne reg1_error_loopf
cmp r1, #0x11
bne reg1_error_loopf
vmov r0, r1, d13
cmp r0, #0x22
bne reg1_error_loopf
cmp r1, #0x33
bne reg1_error_loopf
vmov r0, r1, d14
cmp r0, #0x44
bne reg1_error_loopf
cmp r1, #0x55
bne reg1_error_loopf
vmov r0, r1, d15
cmp r0, #0x66
bne reg1_error_loopf
cmp r1, #0x77
bne reg1_error_loopf
; Restore the registers that were clobbered by the test.
pop {r0-r1}
; VFP register test passed. Jump to the core register test.
b reg1_loopf_pass
reg1_error_loopf
; If this line is hit then a VFP register value was found to be
; incorrect.
b reg1_error_loopf
reg1_loopf_pass
; Test each general purpose register to check that it still contains the
; expected known value, jumping to reg1_error_loop if any register contains
; an unexpected value.
cmp r0, #0xFF
bne reg1_error_loop
cmp r1, #0x11
bne reg1_error_loop
cmp r2, #0x22
bne reg1_error_loop
cmp r3, #0x33
bne reg1_error_loop
cmp r4, #0x44
bne reg1_error_loop
cmp r5, #0x55
bne reg1_error_loop
cmp r6, #0x66
bne reg1_error_loop
cmp r7, #0x77
bne reg1_error_loop
cmp r8, #0x88
bne reg1_error_loop
cmp r9, #0x99
bne reg1_error_loop
cmp r10, #0xAA
bne reg1_error_loop
cmp r11, #0xBB
bne reg1_error_loop
cmp r12, #0xCC
bne reg1_error_loop
cmp r14, #0xEE
bne reg1_error_loop
; Everything passed, increment the loop counter.
push { r0-r1 }
ldr r0, =ulRegTest1LoopCounter
ldr r1, [r0]
adds r1, r1, #1
str r1, [r0]
pop { r0-r1 }
; Start again.
b reg1_loop
reg1_error_loop
; If this line is hit then there was an error in a core register value.
; The loop ensures the loop counter stops incrementing.
b reg1_error_loop
nop
;/*-----------------------------------------------------------*/
vRegTest2Implementation
PRESERVE8
IMPORT ulRegTest2LoopCounter
; Put a known value in each register.
mov r0, #0xFF000000
mov r1, #0x11000000
mov r2, #0x22000000
mov r3, #0x33000000
mov r4, #0x44000000
mov r5, #0x55000000
mov r6, #0x66000000
mov r7, #0x77000000
mov r8, #0x88000000
mov r9, #0x99000000
mov r10, #0xAA000000
mov r11, #0xBB000000
mov r12, #0xCC000000
mov r14, #0xEE000000
; Likewise the floating point registers
vmov d0, r0, r1
vmov d1, r2, r3
vmov d2, r4, r5
vmov d3, r6, r7
vmov d4, r8, r9
vmov d5, r10, r11
vmov d6, r0, r1
vmov d7, r2, r3
vmov d8, r4, r5
vmov d9, r6, r7
vmov d10, r8, r9
vmov d11, r10, r11
vmov d12, r0, r1
vmov d13, r2, r3
vmov d14, r4, r5
vmov d15, r6, r7
; Loop, checking each iteration that each register still contains the
; expected value.
reg2_loop
; Check all the VFP registers still contain the values set above.
; First save registers that are clobbered by the test.
push { r0-r1 }
vmov r0, r1, d0
cmp r0, #0xFF000000
bne reg2_error_loopf
cmp r1, #0x11000000
bne reg2_error_loopf
vmov r0, r1, d1
cmp r0, #0x22000000
bne reg2_error_loopf
cmp r1, #0x33000000
bne reg2_error_loopf
vmov r0, r1, d2
cmp r0, #0x44000000
bne reg2_error_loopf
cmp r1, #0x55000000
bne reg2_error_loopf
vmov r0, r1, d3
cmp r0, #0x66000000
bne reg2_error_loopf
cmp r1, #0x77000000
bne reg2_error_loopf
vmov r0, r1, d4
cmp r0, #0x88000000
bne reg2_error_loopf
cmp r1, #0x99000000
bne reg2_error_loopf
vmov r0, r1, d5
cmp r0, #0xAA000000
bne reg2_error_loopf
cmp r1, #0xBB000000
bne reg2_error_loopf
vmov r0, r1, d6
cmp r0, #0xFF000000
bne reg2_error_loopf
cmp r1, #0x11000000
bne reg2_error_loopf
vmov r0, r1, d7
cmp r0, #0x22000000
bne reg2_error_loopf
cmp r1, #0x33000000
bne reg2_error_loopf
vmov r0, r1, d8
cmp r0, #0x44000000
bne reg2_error_loopf
cmp r1, #0x55000000
bne reg2_error_loopf
vmov r0, r1, d9
cmp r0, #0x66000000
bne reg2_error_loopf
cmp r1, #0x77000000
bne reg2_error_loopf
vmov r0, r1, d10
cmp r0, #0x88000000
bne reg2_error_loopf
cmp r1, #0x99000000
bne reg2_error_loopf
vmov r0, r1, d11
cmp r0, #0xAA000000
bne reg2_error_loopf
cmp r1, #0xBB000000
bne reg2_error_loopf
vmov r0, r1, d12
cmp r0, #0xFF000000
bne reg2_error_loopf
cmp r1, #0x11000000
bne reg2_error_loopf
vmov r0, r1, d13
cmp r0, #0x22000000
bne reg2_error_loopf
cmp r1, #0x33000000
bne reg2_error_loopf
vmov r0, r1, d14
cmp r0, #0x44000000
bne reg2_error_loopf
cmp r1, #0x55000000
bne reg2_error_loopf
vmov r0, r1, d15
cmp r0, #0x66000000
bne reg2_error_loopf
cmp r1, #0x77000000
bne reg2_error_loopf
; Restore the registers that were clobbered by the test.
pop {r0-r1}
; VFP register test passed. Jump to the core register test.
b reg2_loopf_pass
reg2_error_loopf
; If this line is hit then a VFP register value was found to be
; incorrect.
b reg2_error_loopf
reg2_loopf_pass
cmp r0, #0xFF000000
bne reg2_error_loop
cmp r1, #0x11000000
bne reg2_error_loop
cmp r2, #0x22000000
bne reg2_error_loop
cmp r3, #0x33000000
bne reg2_error_loop
cmp r4, #0x44000000
bne reg2_error_loop
cmp r5, #0x55000000
bne reg2_error_loop
cmp r6, #0x66000000
bne reg2_error_loop
cmp r7, #0x77000000
bne reg2_error_loop
cmp r8, #0x88000000
bne reg2_error_loop
cmp r9, #0x99000000
bne reg2_error_loop
cmp r10, #0xAA000000
bne reg2_error_loop
cmp r11, #0xBB000000
bne reg2_error_loop
cmp r12, #0xCC000000
bne reg2_error_loop
cmp r14, #0xEE000000
bne reg2_error_loop
; Everything passed, increment the loop counter.
push { r0-r1 }
ldr r0, =ulRegTest2LoopCounter
ldr r1, [r0]
adds r1, r1, #1
str r1, [r0]
pop { r0-r1 }
; Start again.
b reg2_loop
reg2_error_loop
; If this line is hit then there was an error in a core register value.
; The loop ensures the loop counter stops incrementing.
b reg2_error_loop
nop
END