diff options
| author | Alejandro Soto <alejandro@34project.org> | 2023-10-02 22:54:55 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2023-10-02 23:29:46 -0600 |
| commit | 548187dfc392d0beef4cc86e7d3d22d885276e5d (patch) | |
| tree | cdfbfb193efbed410e208003e97487e7474ef2e5 /tb/sim/smp_boot.S | |
| parent | 461d40fd78d49bef4420c7044426cb181fc5e6d8 (diff) | |
tb/sim: add test: smp_boot
Diffstat (limited to 'tb/sim/smp_boot.S')
| -rw-r--r-- | tb/sim/smp_boot.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tb/sim/smp_boot.S b/tb/sim/smp_boot.S new file mode 100644 index 0000000..669508b --- /dev/null +++ b/tb/sim/smp_boot.S @@ -0,0 +1,25 @@ +.global reset + +reset: + adr r0, cpus + +.inc_cpus: + ldrex r1, [r0] + add r1, r1, #1 + strex r2, r1, [r0] + teq r2, #0 + bne .inc_cpus + + cmp r1, #1 + movne pc, lr + + ldr r1, =0x30140000 + ldr r2, [r1] + ldr r3, =0x01010100 + str r3, [r1] + ldr r3, [r1] +.wait: + ldr r1, [r0] + b .wait + +cpus: .word 0 |