diff options
Diffstat (limited to 'tools/testing/selftests/arm64/fp/sve-test.S')
| -rw-r--r-- | tools/testing/selftests/arm64/fp/sve-test.S | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/tools/testing/selftests/arm64/fp/sve-test.S b/tools/testing/selftests/arm64/fp/sve-test.S index e3e08d9c7020..f5b1b48ffff2 100644 --- a/tools/testing/selftests/arm64/fp/sve-test.S +++ b/tools/testing/selftests/arm64/fp/sve-test.S @@ -46,130 +46,6 @@ define_accessor getz, NZR, _sve_str_v define_accessor setp, NPR, _sve_ldr_p define_accessor getp, NPR, _sve_str_p -// Print a single character x0 to stdout -// Clobbers x0-x2,x8 -function putc - str x0, [sp, #-16]! - - mov x0, #1 // STDOUT_FILENO - mov x1, sp - mov x2, #1 - mov x8, #__NR_write - svc #0 - - add sp, sp, #16 - ret -endfunction - -// Print a NUL-terminated string starting at address x0 to stdout -// Clobbers x0-x3,x8 -function puts - mov x1, x0 - - mov x2, #0 -0: ldrb w3, [x0], #1 - cbz w3, 1f - add x2, x2, #1 - b 0b - -1: mov w0, #1 // STDOUT_FILENO - mov x8, #__NR_write - svc #0 - - ret -endfunction - -// Utility macro to print a literal string -// Clobbers x0-x4,x8 -.macro puts string - .pushsection .rodata.str1.1, "aMS", 1 -.L__puts_literal\@: .string "\string" - .popsection - - ldr x0, =.L__puts_literal\@ - bl puts -.endm - -// Print an unsigned decimal number x0 to stdout -// Clobbers x0-x4,x8 -function putdec - mov x1, sp - str x30, [sp, #-32]! // Result can't be > 20 digits - - mov x2, #0 - strb w2, [x1, #-1]! // Write the NUL terminator - - mov x2, #10 -0: udiv x3, x0, x2 // div-mod loop to generate the digits - msub x0, x3, x2, x0 - add w0, w0, #'0' - strb w0, [x1, #-1]! - mov x0, x3 - cbnz x3, 0b - - ldrb w0, [x1] - cbnz w0, 1f - mov w0, #'0' // Print "0" for 0, not "" - strb w0, [x1, #-1]! - -1: mov x0, x1 - bl puts - - ldr x30, [sp], #32 - ret -endfunction - -// Print an unsigned decimal number x0 to stdout, followed by a newline -// Clobbers x0-x5,x8 -function putdecn - mov x5, x30 - - bl putdec - mov x0, #'\n' - bl putc - - ret x5 -endfunction - -// Clobbers x0-x3,x8 -function puthexb - str x30, [sp, #-0x10]! - - mov w3, w0 - lsr w0, w0, #4 - bl puthexnibble - mov w0, w3 - - ldr x30, [sp], #0x10 - // fall through to puthexnibble -endfunction -// Clobbers x0-x2,x8 -function puthexnibble - and w0, w0, #0xf - cmp w0, #10 - blo 1f - add w0, w0, #'a' - ('9' + 1) -1: add w0, w0, #'0' - b putc -endfunction - -// x0=data in, x1=size in, clobbers x0-x5,x8 -function dumphex - str x30, [sp, #-0x10]! - - mov x4, x0 - mov x5, x1 - -0: subs x5, x5, #1 - b.lo 1f - ldrb w0, [x4], #1 - bl puthexb - b 0b - -1: ldr x30, [sp], #0x10 - ret -endfunction - // Declare some storate space to shadow the SVE register contents: .pushsection .text .data @@ -184,18 +60,6 @@ scratch: .space MAXVL_B .popsection -// Trivial memory copy: copy x2 bytes, starting at address x1, to address x0. -// Clobbers x0-x3 -function memcpy - cmp x2, #0 - b.eq 1f -0: ldrb w3, [x1], #1 - strb w3, [x0], #1 - subs x2, x2, #1 - b.ne 0b -1: ret -endfunction - // Generate a test pattern for storage in SVE registers // x0: pid (16 bits) // x1: register number (6 bits) @@ -316,33 +180,6 @@ function setup_ffr ret x4 endfunction -// Fill x1 bytes starting at x0 with 0xae (for canary purposes) -// Clobbers x1, x2. -function memfill_ae - mov w2, #0xae - b memfill -endfunction - -// Fill x1 bytes starting at x0 with 0. -// Clobbers x1, x2. -function memclr - mov w2, #0 -endfunction - // fall through to memfill - -// Trivial memory fill: fill x1 bytes starting at address x0 with byte w2 -// Clobbers x1 -function memfill - cmp x1, #0 - b.eq 1f - -0: strb w2, [x0], #1 - subs x1, x1, #1 - b.ne 0b - -1: ret -endfunction - // Trivial memory compare: compare x2 bytes starting at address x0 with // bytes starting at address x1. // Returns only if all bytes match; otherwise, the program is aborted. |