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| author | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-15 08:27:12 +0200 |
|---|---|---|
| committer | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-15 08:27:12 +0200 |
| commit | 9e76b9001c37ab2da2e99c922406b991bd0e53af (patch) | |
| tree | 686aa90639b28c92013e6158e01d5010973b0f03 /prog/src/prog.s | |
| parent | d107f7e40f02a7374b8685ba310500a6c38d43b1 (diff) | |
| download | riscv_cpu-9e76b9001c37ab2da2e99c922406b991bd0e53af.tar.gz riscv_cpu-9e76b9001c37ab2da2e99c922406b991bd0e53af.zip | |
running c program
Diffstat (limited to 'prog/src/prog.s')
| -rw-r--r-- | prog/src/prog.s | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/prog/src/prog.s b/prog/src/prog.s deleted file mode 100644 index 63026c9..0000000 --- a/prog/src/prog.s +++ /dev/null @@ -1,99 +0,0 @@ -.section .text -.globl _start - -_start: - - - j test_prog - - - -/* - addi t0, zero, 31 -reset_loop: - addi t6, zero, 0 -loop: - addi t6, t6, 1 - beq t6, t0, reset_loop - j loop -*/ - -halt_loop: - j halt_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 - -branch_eq_ret: - beq t0, t3, branch_ne - j branch_ne_nt - -branch_ne_ret: - call func - - li t0, 0x00100000 - sw t1, 0(t0) - lw t2, 0(t0) - - j halt_loop - - -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 - - - - - - - - - - -.section .data - - -.section .bss - -.section .stack - .space 0x1000 # Allocate stack space -stack_top: |