diff options
Diffstat (limited to 'tools/testing/selftests/arm64/fp/za-test.S')
| -rw-r--r-- | tools/testing/selftests/arm64/fp/za-test.S | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/tools/testing/selftests/arm64/fp/za-test.S b/tools/testing/selftests/arm64/fp/za-test.S index 9ab6f9cd9623..53c54af65704 100644 --- a/tools/testing/selftests/arm64/fp/za-test.S +++ b/tools/testing/selftests/arm64/fp/za-test.S @@ -167,6 +167,15 @@ function irritator_handler ret endfunction +function tickle_handler + // Increment the signal count (x23): + ldr x0, [x2, #ucontext_regs + 8 * 23] + add x0, x0, #1 + str x0, [x2, #ucontext_regs + 8 * 23] + + ret +endfunction + function terminate_handler mov w21, w0 mov x20, x2 @@ -223,6 +232,30 @@ endfunction .globl _start function _start _start: + mov x23, #0 // signal count + + mov w0, #SIGINT + adr x1, terminate_handler + mov w2, #SA_SIGINFO + bl setsignal + + mov w0, #SIGTERM + adr x1, terminate_handler + mov w2, #SA_SIGINFO + bl setsignal + + mov w0, #SIGUSR1 + adr x1, irritator_handler + mov w2, #SA_SIGINFO + orr w2, w2, #SA_NODEFER + bl setsignal + + mov w0, #SIGUSR2 + adr x1, tickle_handler + mov w2, #SA_SIGINFO + orr w2, w2, #SA_NODEFER + bl setsignal + puts "Streaming mode " smstart_za @@ -255,24 +288,6 @@ _start: mov x0, x20 bl putdecn - mov x23, #0 // Irritation signal count - - mov w0, #SIGINT - adr x1, terminate_handler - mov w2, #SA_SIGINFO - bl setsignal - - mov w0, #SIGTERM - adr x1, terminate_handler - mov w2, #SA_SIGINFO - bl setsignal - - mov w0, #SIGUSR1 - adr x1, irritator_handler - mov w2, #SA_SIGINFO - orr w2, w2, #SA_NODEFER - bl setsignal - mov x22, #0 // generation number, increments per iteration .Ltest_loop: rdsvl 0, 8 @@ -287,12 +302,7 @@ _start: subs x21, x21, #1 b.ne 0b - and x8, x22, #127 // Every 128 interations... - cbz x8, 0f - mov x8, #__NR_getpid // (otherwise minimal syscall) - b 1f -0: - mov x8, #__NR_sched_yield // ...encourage preemption + mov x8, #__NR_sched_yield // encourage preemption 1: svc #0 |