diff options
| author | Eric Anholt <eric@anholt.net> | 2018-03-19 11:30:27 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2018-03-19 16:42:59 -0700 |
| commit | c3a504f470b8116ebcd892ce1f48125549817467 (patch) | |
| tree | e864b5fad6ae73f80b72245f96d3b36d6bd3f521 | |
| parent | 09c4dd19713b3155bd744f873e91e0328be62978 (diff) | |
broadcom/vc5: Add a QPU helper for instructions using the TLB.
This will be used for detecting last thread segment in register spilling.
| -rw-r--r-- | src/broadcom/qpu/qpu_instr.c | 22 | ||||
| -rw-r--r-- | src/broadcom/qpu/qpu_instr.h | 1 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/broadcom/qpu/qpu_instr.c b/src/broadcom/qpu/qpu_instr.c index 978d470cc6..213a0826a5 100644 --- a/src/broadcom/qpu/qpu_instr.c +++ b/src/broadcom/qpu/qpu_instr.c @@ -569,6 +569,28 @@ v3d_qpu_add_op_writes_vpm(enum v3d_qpu_add_op op) } bool +v3d_qpu_uses_tlb(const struct v3d_qpu_instr *inst) +{ + if (inst->sig.ldtlb || + inst->sig.ldtlbu) + return true; + + if (inst->type == V3D_QPU_INSTR_TYPE_ALU) { + if (inst->alu.add.magic_write && + v3d_qpu_magic_waddr_is_tlb(inst->alu.add.waddr)) { + return true; + } + + if (inst->alu.mul.magic_write && + v3d_qpu_magic_waddr_is_tlb(inst->alu.mul.waddr)) { + return true; + } + } + + return false; +} + +bool v3d_qpu_writes_tmu(const struct v3d_qpu_instr *inst) { return (inst->type == V3D_QPU_INSTR_TYPE_ALU && diff --git a/src/broadcom/qpu/qpu_instr.h b/src/broadcom/qpu/qpu_instr.h index 9568857f11..e5e9a9a3f1 100644 --- a/src/broadcom/qpu/qpu_instr.h +++ b/src/broadcom/qpu/qpu_instr.h @@ -437,6 +437,7 @@ bool v3d_qpu_magic_waddr_is_tmu(enum v3d_qpu_waddr waddr) ATTRIBUTE_CONST; bool v3d_qpu_magic_waddr_is_tlb(enum v3d_qpu_waddr waddr) ATTRIBUTE_CONST; bool v3d_qpu_magic_waddr_is_vpm(enum v3d_qpu_waddr waddr) ATTRIBUTE_CONST; bool v3d_qpu_magic_waddr_is_tsy(enum v3d_qpu_waddr waddr) ATTRIBUTE_CONST; +bool v3d_qpu_uses_tlb(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST; bool v3d_qpu_writes_tmu(const struct v3d_qpu_instr *inst) ATTRIBUTE_CONST; bool v3d_qpu_writes_r3(const struct v3d_device_info *devinfo, const struct v3d_qpu_instr *instr) ATTRIBUTE_CONST; |