static void
build_shader_save_restore_cmds(struct adreno_device *adreno_dev,
struct adreno_context *drawctxt)
{
unsigned int *cmd = tmp_ctx.cmd;
unsigned int *save, *restore, *fixup;
unsigned int *startSizeVtx, *startSizePix, *startSizeShared;
unsigned int *partition1;
unsigned int *shaderBases, *partition2;
/* compute vertex, pixel and shared instruction shadow GPU addresses */
tmp_ctx.shader_vertex = drawctxt->gpustate.gpuaddr + SHADER_OFFSET;
tmp_ctx.shader_pixel = tmp_ctx.shader_vertex
+ _shader_shadow_size(adreno_dev);
tmp_ctx.shader_shared = tmp_ctx.shader_pixel
+ _shader_shadow_size(adreno_dev);
/* restore shader partitioning and instructions */
restore = cmd; /* start address */
/* Invalidate Vertex & Pixel instruction code address and sizes */
*cmd++ = cp_type3_packet(CP_INVALIDATE_STATE, 1);
*cmd++ = 0x00000300; /* 0x100 = Vertex, 0x200 = Pixel */
/* Restore previous shader vertex & pixel instruction bases. */
*cmd++ = cp_type3_packet(CP_SET_SHADER_BASES, 1);
shaderBases = cmd++; /* TBD #5: shader bases (from fixup) */
/* write the shader partition information to a scratch register */
*cmd++ = cp_type0_packet(REG_SQ_INST_STORE_MANAGMENT, 1);
partition1 = cmd++; /* TBD #4a: partition info (from save) */
/* load vertex shader instructions from the shadow. */
*cmd++ = cp_type3_packet(CP_IM_LOAD, 2);
*cmd++ = tmp_ctx.shader_vertex + 0x0; /* 0x0 = Vertex */
startSizeVtx = cmd++; /* TBD #1: start/size (from save) */
/* load pixel shader instructions from the shadow. */
*cmd++ = cp_type3_packet(CP_IM_LOAD, 2);
*cmd++ = tmp_ctx.shader_pixel + 0x1; /* 0x1 = Pixel */
startSizePix = cmd++; /* TBD #2: start/size (from save) */
/* load shared shader instructions from the shadow. */
*cmd++ = cp_type3_packet(CP_IM_LOAD, 2);
*cmd++ = tmp_ctx.shader_shared + 0x2; /* 0x2 = Shared */
startSizeShared = cmd++; /* TBD #3: start/size (from save) */
/* create indirect buffer command for above command sequence */
create_ib1(drawctxt, drawctxt->shader_restore, restore, cmd);
/*
* fixup SET_SHADER_BASES data
*
* since self-modifying PM4 code is being used here, a seperate
* command buffer is used for this fixup operation, to ensure the
* commands are not read by the PM4 engine before the data fields
* have been written.
*/
fixup = cmd; /* start address */
/* write the shader partition information to a scratch register */
*cmd++ = cp_type0_packet(REG_SCRATCH_REG2, 1);
partition2 = cmd++; /* TBD #4b: partition info (from save) */
/* mask off unused bits, then OR with shader instruction memory size */
*cmd++ = cp_type3_packet(CP_REG_RMW, 3);
*cmd++ = REG_SCRATCH_REG2;
/* AND off invalid bits. */
*cmd++ = 0x0FFF0FFF;
/* OR in instruction memory size. */
*cmd++ = adreno_encode_istore_size(adreno_dev);
/* write the computed value to the SET_SHADER_BASES data field */
*cmd++ = cp_type3_packet(CP_REG_TO_MEM, 2);
*cmd++ = REG_SCRATCH_REG2;
/* TBD #5: shader bases (to restore) */
*cmd++ = virt2gpu(shaderBases, &drawctxt->gpustate);
/* create indirect buffer command for above command sequence */
create_ib1(drawctxt, drawctxt->shader_fixup, fixup, cmd);
/* save shader partitioning and instructions */
save = cmd; /* start address */
*cmd++ = cp_type3_packet(CP_WAIT_FOR_IDLE, 1);
*cmd++ = 0;
/* fetch the SQ_INST_STORE_MANAGMENT register value,
* store the value in the data fields of the SET_CONSTANT commands
* above.
*/
*cmd++ = cp_type3_packet(CP_REG_TO_MEM, 2);
*cmd++ = REG_SQ_INST_STORE_MANAGMENT;
/* TBD #4a: partition info (to restore) */
*cmd++ = virt2gpu(partition1, &drawctxt->gpustate);
*cmd++ = cp_type3_packet(CP_REG_TO_MEM, 2);
*cmd++ = REG_SQ_INST_STORE_MANAGMENT;
/* TBD #4b: partition info (to fixup) */
*cmd++ = virt2gpu(partition2, &drawctxt->gpustate);
/* store the vertex shader instructions */
*cmd++ = cp_type3_packet(CP_IM_STORE, 2);
*cmd++ = tmp_ctx.shader_vertex + 0x0; /* 0x0 = Vertex */
/* TBD #1: start/size (to restore) */
*cmd++ = virt2gpu(startSizeVtx, &drawctxt->gpustate);
/* store the pixel shader instructions */
*cmd++ = cp_type3_packet(CP_IM_STORE, 2);
*cmd++ = tmp_ctx.shader_pixel + 0x1; /* 0x1 = Pixel */
/* TBD #2: start/size (to restore) */
*cmd++ = virt2gpu(startSizePix, &drawctxt->gpustate);
/* store the shared shader instructions if vertex base is nonzero */
*cmd++ = cp_type3_packet(CP_IM_STORE, 2);
*cmd++ = tmp_ctx.shader_shared + 0x2; /* 0x2 = Shared */
/* TBD #3: start/size (to restore) */
*cmd++ = virt2gpu(startSizeShared, &drawctxt->gpustate);
*cmd++ = cp_type3_packet(CP_WAIT_FOR_IDLE, 1);
*cmd++ = 0;
/* create indirect buffer command for above command sequence */
create_ib1(drawctxt, drawctxt->shader_save, save, cmd);
tmp_ctx.cmd = cmd;
}
static inline int _context_size(struct adreno_device *adreno_dev)
{
return SHADER_OFFSET + 3*_shader_shadow_size(adreno_dev);
}
static void
build_shader_save_restore_cmds(struct adreno_device *adreno_dev,
struct adreno_context *drawctxt)
{
unsigned int *cmd = tmp_ctx.cmd;
unsigned int *save, *restore, *fixup;
unsigned int *startSizeVtx, *startSizePix, *startSizeShared;
unsigned int *partition1;
unsigned int *shaderBases, *partition2;
tmp_ctx.shader_vertex = drawctxt->gpustate.gpuaddr + SHADER_OFFSET;
tmp_ctx.shader_pixel = tmp_ctx.shader_vertex
+ _shader_shadow_size(adreno_dev);
tmp_ctx.shader_shared = tmp_ctx.shader_pixel
+ _shader_shadow_size(adreno_dev);
restore = cmd;
*cmd++ = cp_type3_packet(CP_INVALIDATE_STATE, 1);
*cmd++ = 0x00000300;
*cmd++ = cp_type3_packet(CP_SET_SHADER_BASES, 1);
shaderBases = cmd++;
*cmd++ = cp_type0_packet(REG_SQ_INST_STORE_MANAGMENT, 1);
partition1 = cmd++;
*cmd++ = cp_type3_packet(CP_IM_LOAD, 2);
*cmd++ = tmp_ctx.shader_vertex + 0x0;
startSizeVtx = cmd++;
*cmd++ = cp_type3_packet(CP_IM_LOAD, 2);
*cmd++ = tmp_ctx.shader_pixel + 0x1;
startSizePix = cmd++;
*cmd++ = cp_type3_packet(CP_IM_LOAD, 2);
*cmd++ = tmp_ctx.shader_shared + 0x2;
startSizeShared = cmd++;
create_ib1(drawctxt, drawctxt->shader_restore, restore, cmd);
/*
* fixup SET_SHADER_BASES data
*
* since self-modifying PM4 code is being used here, a seperate
* command buffer is used for this fixup operation, to ensure the
* commands are not read by the PM4 engine before the data fields
* have been written.
*/
fixup = cmd;
*cmd++ = cp_type0_packet(REG_SCRATCH_REG2, 1);
partition2 = cmd++;
*cmd++ = cp_type3_packet(CP_REG_RMW, 3);
*cmd++ = REG_SCRATCH_REG2;
*cmd++ = 0x0FFF0FFF;
*cmd++ = adreno_encode_istore_size(adreno_dev);
*cmd++ = cp_type3_packet(CP_REG_TO_MEM, 2);
*cmd++ = REG_SCRATCH_REG2;
*cmd++ = virt2gpu(shaderBases, &drawctxt->gpustate);
create_ib1(drawctxt, drawctxt->shader_fixup, fixup, cmd);
save = cmd;
*cmd++ = cp_type3_packet(CP_WAIT_FOR_IDLE, 1);
*cmd++ = 0;
*cmd++ = cp_type3_packet(CP_REG_TO_MEM, 2);
*cmd++ = REG_SQ_INST_STORE_MANAGMENT;
*cmd++ = virt2gpu(partition1, &drawctxt->gpustate);
*cmd++ = cp_type3_packet(CP_REG_TO_MEM, 2);
*cmd++ = REG_SQ_INST_STORE_MANAGMENT;
*cmd++ = virt2gpu(partition2, &drawctxt->gpustate);
*cmd++ = cp_type3_packet(CP_IM_STORE, 2);
*cmd++ = tmp_ctx.shader_vertex + 0x0;
*cmd++ = virt2gpu(startSizeVtx, &drawctxt->gpustate);
*cmd++ = cp_type3_packet(CP_IM_STORE, 2);
*cmd++ = tmp_ctx.shader_pixel + 0x1;
*cmd++ = virt2gpu(startSizePix, &drawctxt->gpustate);
*cmd++ = cp_type3_packet(CP_IM_STORE, 2);
*cmd++ = tmp_ctx.shader_shared + 0x2;
*cmd++ = virt2gpu(startSizeShared, &drawctxt->gpustate);
*cmd++ = cp_type3_packet(CP_WAIT_FOR_IDLE, 1);
*cmd++ = 0;
create_ib1(drawctxt, drawctxt->shader_save, save, cmd);
tmp_ctx.cmd = cmd;
}