25  * DOC: Shader validator for VC4.
34  * The shader validator walks over a shader's BO, ensuring that its
39  * Shader BO are immutable for their lifetimes (enforced by not
53 	/* IP at the end of the BO, do not read shader[max_ip] */
56 	uint64_t *shader;  member
87 	 * stream, even if the shader didn't need to read uniforms in later
94 	 * a threaded shader, then the other shader running on our
187 	uint64_t inst = validation_state->shader[validation_state->ip];  in check_tmu_write()
311 	uint64_t inst = validation_state->shader[validation_state->ip];  in validate_uniform_address_write()
390 	uint64_t inst = validation_state->shader[validation_state->ip];  in check_reg_write()
481 	uint64_t inst = validation_state->shader[validation_state->ip];  in track_live_clamps()
556 	uint64_t inst = validation_state->shader[validation_state->ip];  in check_instruction_writes()
603 	uint64_t inst = validation_state->shader[validation_state->ip];  in check_instruction_reads()
631 /* Make sure that all branches are absolute and point within the shader, and
642 		uint64_t inst = validation_state->shader[ip];  in vc4_validate_branches()
682 		 * end of the shader object.  in vc4_validate_branches()
691 			DRM_DEBUG("Branch at %d outside of shader (ip %d/%d)\n",  in vc4_validate_branches()
699 		 * the shader.  in vc4_validate_branches()
702 			DRM_DEBUG("Branch at %d continues past shader end "  in vc4_validate_branches()
719 /* Resets any known state for the shader, used when we may be branched to from
720  * multiple locations in the program (or at shader start).
793 	validation_state.shader = shader_obj->vaddr;  in vc4_validate_shader()
812 		uint64_t inst = validation_state.shader[ip];  in vc4_validate_shader()
905 		DRM_DEBUG("shader failed to terminate before "  in vc4_validate_shader()
906 			  "shader BO end at %zd\n",  in vc4_validate_shader()
914 		DRM_DEBUG("Shader uses threading, but uses the upper "  in vc4_validate_shader()