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author | Alasdair Armstrong <alasdair.armstrong@cl.cam.ac.uk> | 2019-07-18 16:39:18 +0100 |
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committer | Alasdair Armstrong <alasdair.armstrong@cl.cam.ac.uk> | 2019-07-18 17:11:14 +0100 |
commit | 1714f50b4879329614064dcfd1cd1e14154711fe (patch) | |
tree | 622892976c778916582ae1aa2c48c86af712c23f /model | |
parent | 273ec8b0715b39844101c8081114f2697f291312 (diff) | |
download | sail-riscv-1714f50b4879329614064dcfd1cd1e14154711fe.zip sail-riscv-1714f50b4879329614064dcfd1cd1e14154711fe.tar.gz sail-riscv-1714f50b4879329614064dcfd1cd1e14154711fe.tar.bz2 |
Revert "Support DMB/DSB domains"
Move this commit to new_barriers branch until we can update C/SMT/etc
and make a new release of Sail for backwards compatability with the
opam package
This reverts commit 273ec8b0715b39844101c8081114f2697f291312.
Diffstat (limited to 'model')
-rw-r--r-- | model/riscv_analysis.sail | 22 | ||||
-rw-r--r-- | model/riscv_insts_base.sail | 22 |
2 files changed, 22 insertions, 22 deletions
diff --git a/model/riscv_analysis.sail b/model/riscv_analysis.sail index 1f0f59b..34572f8 100644 --- a/model/riscv_analysis.sail +++ b/model/riscv_analysis.sail @@ -112,15 +112,15 @@ function initial_analysis (instr:ast) -> (regfps,regfps,regfps,niafps,diafp,inst FENCE(pred, succ) => { ik = match (pred, succ) { - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_rw_rw ()), - (_ : bits(2) @ 0b10, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_r_rw ()), - (_ : bits(2) @ 0b10, _ : bits(2) @ 0b10) => IK_barrier (Barrier_RISCV_r_r ()), - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b01) => IK_barrier (Barrier_RISCV_rw_w ()), - (_ : bits(2) @ 0b01, _ : bits(2) @ 0b01) => IK_barrier (Barrier_RISCV_w_w ()), - (_ : bits(2) @ 0b01, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_w_rw ()), - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b10) => IK_barrier (Barrier_RISCV_rw_r ()), - (_ : bits(2) @ 0b10, _ : bits(2) @ 0b01) => IK_barrier (Barrier_RISCV_r_w ()), - (_ : bits(2) @ 0b01, _ : bits(2) @ 0b10) => IK_barrier (Barrier_RISCV_w_r ()), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_rw_rw), + (_ : bits(2) @ 0b10, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_r_rw), + (_ : bits(2) @ 0b10, _ : bits(2) @ 0b10) => IK_barrier (Barrier_RISCV_r_r), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b01) => IK_barrier (Barrier_RISCV_rw_w), + (_ : bits(2) @ 0b01, _ : bits(2) @ 0b01) => IK_barrier (Barrier_RISCV_w_w), + (_ : bits(2) @ 0b01, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_w_rw), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b10) => IK_barrier (Barrier_RISCV_rw_r), + (_ : bits(2) @ 0b10, _ : bits(2) @ 0b01) => IK_barrier (Barrier_RISCV_r_w), + (_ : bits(2) @ 0b01, _ : bits(2) @ 0b10) => IK_barrier (Barrier_RISCV_w_r), (_ : bits(2) @ 0b00, _ : bits(2) @ 0b00) => IK_simple (), @@ -131,12 +131,12 @@ function initial_analysis (instr:ast) -> (regfps,regfps,regfps,niafps,diafp,inst FENCE_TSO(pred, succ) => { ik = match (pred, succ) { - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_tso ()), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => IK_barrier (Barrier_RISCV_tso), _ => internal_error("barrier type not implemented in initial_analysis") }; }, FENCEI() => { - ik = IK_simple (); // for RMEM, should morally be (Barrier_RISCV_i ()) + ik = IK_simple (); // for RMEM, should morally be Barrier_RISCV_i }, LOADRES(aq, rl, rs1, width, rd) => { if (rs1 == 0) then () else iR = RFull(GPRstr[rs1]) :: iR; diff --git a/model/riscv_insts_base.sail b/model/riscv_insts_base.sail index eab4bfc..14a626e 100644 --- a/model/riscv_insts_base.sail +++ b/model/riscv_insts_base.sail @@ -566,15 +566,15 @@ mapping clause encdec = FENCE(pred, succ) function clause execute (FENCE(pred, succ)) = { match (pred, succ) { - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_rw_rw ()), - (_ : bits(2) @ 0b10, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_r_rw ()), - (_ : bits(2) @ 0b10, _ : bits(2) @ 0b10) => __barrier(Barrier_RISCV_r_r ()), - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b01) => __barrier(Barrier_RISCV_rw_w ()), - (_ : bits(2) @ 0b01, _ : bits(2) @ 0b01) => __barrier(Barrier_RISCV_w_w ()), - (_ : bits(2) @ 0b01, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_w_rw ()), - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b10) => __barrier(Barrier_RISCV_rw_r ()), - (_ : bits(2) @ 0b10, _ : bits(2) @ 0b01) => __barrier(Barrier_RISCV_r_w ()), - (_ : bits(2) @ 0b01, _ : bits(2) @ 0b10) => __barrier(Barrier_RISCV_w_r ()), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_rw_rw), + (_ : bits(2) @ 0b10, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_r_rw), + (_ : bits(2) @ 0b10, _ : bits(2) @ 0b10) => __barrier(Barrier_RISCV_r_r), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b01) => __barrier(Barrier_RISCV_rw_w), + (_ : bits(2) @ 0b01, _ : bits(2) @ 0b01) => __barrier(Barrier_RISCV_w_w), + (_ : bits(2) @ 0b01, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_w_rw), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b10) => __barrier(Barrier_RISCV_rw_r), + (_ : bits(2) @ 0b10, _ : bits(2) @ 0b01) => __barrier(Barrier_RISCV_r_w), + (_ : bits(2) @ 0b01, _ : bits(2) @ 0b10) => __barrier(Barrier_RISCV_w_r), (_ : bits(2) @ 0b00, _ : bits(2) @ 0b00) => (), @@ -619,7 +619,7 @@ mapping clause encdec = FENCE_TSO(pred, succ) function clause execute (FENCE_TSO(pred, succ)) = { match (pred, succ) { - (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_tso ()), + (_ : bits(2) @ 0b11, _ : bits(2) @ 0b11) => __barrier(Barrier_RISCV_tso), (_ : bits(2) @ 0b00, _ : bits(2) @ 0b00) => (), _ => { print("FIXME: unsupported fence"); @@ -638,7 +638,7 @@ mapping clause encdec = FENCEI() <-> 0b000000000000 @ 0b00000 @ 0b001 @ 0b00000 @ 0b0001111 /* fence.i is a nop for the memory model */ -function clause execute FENCEI() = { /* __barrier(Barrier_RISCV_i ()); */ RETIRE_SUCCESS } +function clause execute FENCEI() = { /* __barrier(Barrier_RISCV_i); */ RETIRE_SUCCESS } mapping clause assembly = FENCEI() <-> "fence.i" |