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| author | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-20 16:48:55 +0200 |
|---|---|---|
| committer | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-20 16:48:55 +0200 |
| commit | e945c80a6ceaef501350de49bf647ae8539d1cbb (patch) | |
| tree | 9e698d839e5f6221af523b49be04b809648efeb9 /prog/src/prog.s | |
| parent | 142510b8325b9ef89bd3e22463f36c3caa2815de (diff) | |
| download | riscv_cpu-e945c80a6ceaef501350de49bf647ae8539d1cbb.tar.gz riscv_cpu-e945c80a6ceaef501350de49bf647ae8539d1cbb.zip | |
reset synchronizer
Diffstat (limited to 'prog/src/prog.s')
| -rw-r--r-- | prog/src/prog.s | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/prog/src/prog.s b/prog/src/prog.s deleted file mode 100644 index ec227a9..0000000 --- a/prog/src/prog.s +++ /dev/null @@ -1,78 +0,0 @@ -.section .text -.globl test_prog - - -/* - addi t0, zero, 31 -reset_loop: - addi t6, zero, 0 -loop: - addi t6, t6, 1 - beq t6, t0, reset_loop - j loop -*/ - -test_prog: - li t0, 0xFFFFFFFF - li t1, 0x33333333 - li t2, 0x88888888 - li t3, 0x11111111 - - add t4, t1, t2 - sub t4, t1, t2 - slt t4, t3, t0 - slt t4, t0, t3 - sltu t4, t3, t0 - sltu t4, t0, t3 - and t4, zero, zero - and t4, zero, t0 - and t4, t0, t0 - or t4, zero, zero - or t4, zero, t0 - or t4, t0, t0 - xor t4, zero, zero - xor t4, zero, t0 - xor t4, t0, t0 - - beq t0, t0, branch_eq - j branch_eq_nt -end: - ret - -branch_eq_ret: - beq t0, t3, branch_ne - j branch_ne_nt - -branch_ne_ret: - addi sp, sp, -16 # Adjust stack pointer to make space for ra and s0 - sw ra, 0(sp) # Save ra to the stack - call func - lw ra, 0(sp) # Load ra from the stack - addi sp, sp, 16 # Restore stack pointer - - li t0, 0x00100000 - sw t1, 0(t0) - lw t2, 0(t0) - - j end - - -branch_eq: - addi t5, zero, 1 - j branch_eq_ret - -branch_eq_nt: - addi t5, zero, 2 - j branch_eq_ret - -branch_ne: - addi t5, zero, 3 - j branch_ne_ret - -branch_ne_nt: - addi t5, zero, 4 - j branch_ne_ret - -func: - addi t5, zero, 5 - ret |