--- /dev/null
+/*-
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * BSD LICENSE
+ *
+ * Copyright 2008-2016 Freescale Semiconductor Inc.
+ * Copyright (c) 2016 NXP.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __RTA_JUMP_CMD_H__
+#define __RTA_JUMP_CMD_H__
+
+extern enum rta_sec_era rta_sec_era;
+
+static const uint32_t jump_test_cond[][2] = {
+ { NIFP, JUMP_COND_NIFP },
+ { NIP, JUMP_COND_NIP },
+ { NOP, JUMP_COND_NOP },
+ { NCP, JUMP_COND_NCP },
+ { CALM, JUMP_COND_CALM },
+ { SELF, JUMP_COND_SELF },
+ { SHRD, JUMP_COND_SHRD },
+ { JQP, JUMP_COND_JQP },
+ { MATH_Z, JUMP_COND_MATH_Z },
+ { MATH_N, JUMP_COND_MATH_N },
+ { MATH_NV, JUMP_COND_MATH_NV },
+ { MATH_C, JUMP_COND_MATH_C },
+ { PK_0, JUMP_COND_PK_0 },
+ { PK_GCD_1, JUMP_COND_PK_GCD_1 },
+ { PK_PRIME, JUMP_COND_PK_PRIME },
+ { CLASS1, JUMP_CLASS_CLASS1 },
+ { CLASS2, JUMP_CLASS_CLASS2 },
+ { BOTH, JUMP_CLASS_BOTH }
+};
+
+static const uint32_t jump_test_math_cond[][2] = {
+ { MATH_Z, JUMP_COND_MATH_Z },
+ { MATH_N, JUMP_COND_MATH_N },
+ { MATH_NV, JUMP_COND_MATH_NV },
+ { MATH_C, JUMP_COND_MATH_C }
+};
+
+static const uint32_t jump_src_dst[][2] = {
+ { MATH0, JUMP_SRC_DST_MATH0 },
+ { MATH1, JUMP_SRC_DST_MATH1 },
+ { MATH2, JUMP_SRC_DST_MATH2 },
+ { MATH3, JUMP_SRC_DST_MATH3 },
+ { DPOVRD, JUMP_SRC_DST_DPOVRD },
+ { SEQINSZ, JUMP_SRC_DST_SEQINLEN },
+ { SEQOUTSZ, JUMP_SRC_DST_SEQOUTLEN },
+ { VSEQINSZ, JUMP_SRC_DST_VARSEQINLEN },
+ { VSEQOUTSZ, JUMP_SRC_DST_VARSEQOUTLEN }
+};
+
+static inline int
+rta_jump(struct program *program, uint64_t address,
+ enum rta_jump_type jump_type,
+ enum rta_jump_cond test_type,
+ uint32_t test_condition, uint32_t src_dst)
+{
+ uint32_t opcode = CMD_JUMP;
+ unsigned int start_pc = program->current_pc;
+ int ret = -EINVAL;
+
+ if (((jump_type == GOSUB) || (jump_type == RETURN)) &&
+ (rta_sec_era < RTA_SEC_ERA_4)) {
+ pr_err("JUMP: Jump type not supported by SEC Era %d\n",
+ USER_SEC_ERA(rta_sec_era));
+ goto err;
+ }
+
+ if (((jump_type == LOCAL_JUMP_INC) || (jump_type == LOCAL_JUMP_DEC)) &&
+ (rta_sec_era <= RTA_SEC_ERA_5)) {
+ pr_err("JUMP_INCDEC: Jump type not supported by SEC Era %d\n",
+ USER_SEC_ERA(rta_sec_era));
+ goto err;
+ }
+
+ switch (jump_type) {
+ case (LOCAL_JUMP):
+ /*
+ * opcode |= JUMP_TYPE_LOCAL;
+ * JUMP_TYPE_LOCAL is 0
+ */
+ break;
+ case (HALT):
+ opcode |= JUMP_TYPE_HALT;
+ break;
+ case (HALT_STATUS):
+ opcode |= JUMP_TYPE_HALT_USER;
+ break;
+ case (FAR_JUMP):
+ opcode |= JUMP_TYPE_NONLOCAL;
+ break;
+ case (GOSUB):
+ opcode |= JUMP_TYPE_GOSUB;
+ break;
+ case (RETURN):
+ opcode |= JUMP_TYPE_RETURN;
+ break;
+ case (LOCAL_JUMP_INC):
+ opcode |= JUMP_TYPE_LOCAL_INC;
+ break;
+ case (LOCAL_JUMP_DEC):
+ opcode |= JUMP_TYPE_LOCAL_DEC;
+ break;
+ default:
+ pr_err("JUMP: Invalid jump type. SEC Program Line: %d\n",
+ program->current_pc);
+ goto err;
+ }
+
+ switch (test_type) {
+ case (ALL_TRUE):
+ /*
+ * opcode |= JUMP_TEST_ALL;
+ * JUMP_TEST_ALL is 0
+ */
+ break;
+ case (ALL_FALSE):
+ opcode |= JUMP_TEST_INVALL;
+ break;
+ case (ANY_TRUE):
+ opcode |= JUMP_TEST_ANY;
+ break;
+ case (ANY_FALSE):
+ opcode |= JUMP_TEST_INVANY;
+ break;
+ default:
+ pr_err("JUMP: test type not supported. SEC Program Line: %d\n",
+ program->current_pc);
+ goto err;
+ }
+
+ /* write test condition field */
+ if ((jump_type != LOCAL_JUMP_INC) && (jump_type != LOCAL_JUMP_DEC)) {
+ __rta_map_flags(test_condition, jump_test_cond,
+ ARRAY_SIZE(jump_test_cond), &opcode);
+ } else {
+ uint32_t val = 0;
+
+ ret = __rta_map_opcode(src_dst, jump_src_dst,
+ ARRAY_SIZE(jump_src_dst), &val);
+ if (ret < 0) {
+ pr_err("JUMP_INCDEC: SRC_DST not supported. SEC PC: %d; Instr: %d\n",
+ program->current_pc,
+ program->current_instruction);
+ goto err;
+ }
+ opcode |= val;
+
+ __rta_map_flags(test_condition, jump_test_math_cond,
+ ARRAY_SIZE(jump_test_math_cond), &opcode);
+ }
+
+ /* write local offset field for local jumps and user-defined halt */
+ if ((jump_type == LOCAL_JUMP) || (jump_type == LOCAL_JUMP_INC) ||
+ (jump_type == LOCAL_JUMP_DEC) || (jump_type == GOSUB) ||
+ (jump_type == HALT_STATUS))
+ opcode |= (uint32_t)(address & JUMP_OFFSET_MASK);
+
+ __rta_out32(program, opcode);
+ program->current_instruction++;
+
+ if (jump_type == FAR_JUMP)
+ __rta_out64(program, program->ps, address);
+
+ return (int)start_pc;
+
+ err:
+ program->first_error_pc = start_pc;
+ program->current_instruction++;
+ return ret;
+}
+
+#endif /* __RTA_JUMP_CMD_H__ */
Code Review / deb_dpdk.git / blobdiff