+++ /dev/null
-/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
- *
- * Copyright 2008-2016 Freescale Semiconductor Inc.
- * Copyright 2016 NXP
- *
- */
-
-#ifndef __RTA_MATH_CMD_H__
-#define __RTA_MATH_CMD_H__
-
-extern enum rta_sec_era rta_sec_era;
-
-static const uint32_t math_op1[][2] = {
-/*1*/ { MATH0, MATH_SRC0_REG0 },
- { MATH1, MATH_SRC0_REG1 },
- { MATH2, MATH_SRC0_REG2 },
- { MATH3, MATH_SRC0_REG3 },
- { SEQINSZ, MATH_SRC0_SEQINLEN },
- { SEQOUTSZ, MATH_SRC0_SEQOUTLEN },
- { VSEQINSZ, MATH_SRC0_VARSEQINLEN },
- { VSEQOUTSZ, MATH_SRC0_VARSEQOUTLEN },
- { ZERO, MATH_SRC0_ZERO },
-/*10*/ { NONE, 0 }, /* dummy value */
- { DPOVRD, MATH_SRC0_DPOVRD },
- { ONE, MATH_SRC0_ONE }
-};
-
-/*
- * Allowed MATH op1 sources for each SEC Era.
- * Values represent the number of entries from math_op1[] that are supported.
- */
-static const unsigned int math_op1_sz[] = {10, 10, 12, 12, 12, 12, 12, 12};
-
-static const uint32_t math_op2[][2] = {
-/*1*/ { MATH0, MATH_SRC1_REG0 },
- { MATH1, MATH_SRC1_REG1 },
- { MATH2, MATH_SRC1_REG2 },
- { MATH3, MATH_SRC1_REG3 },
- { ABD, MATH_SRC1_INFIFO },
- { OFIFO, MATH_SRC1_OUTFIFO },
- { ONE, MATH_SRC1_ONE },
-/*8*/ { NONE, 0 }, /* dummy value */
- { JOBSRC, MATH_SRC1_JOBSOURCE },
- { DPOVRD, MATH_SRC1_DPOVRD },
- { VSEQINSZ, MATH_SRC1_VARSEQINLEN },
- { VSEQOUTSZ, MATH_SRC1_VARSEQOUTLEN },
-/*13*/ { ZERO, MATH_SRC1_ZERO }
-};
-
-/*
- * Allowed MATH op2 sources for each SEC Era.
- * Values represent the number of entries from math_op2[] that are supported.
- */
-static const unsigned int math_op2_sz[] = {8, 9, 13, 13, 13, 13, 13, 13};
-
-static const uint32_t math_result[][2] = {
-/*1*/ { MATH0, MATH_DEST_REG0 },
- { MATH1, MATH_DEST_REG1 },
- { MATH2, MATH_DEST_REG2 },
- { MATH3, MATH_DEST_REG3 },
- { SEQINSZ, MATH_DEST_SEQINLEN },
- { SEQOUTSZ, MATH_DEST_SEQOUTLEN },
- { VSEQINSZ, MATH_DEST_VARSEQINLEN },
- { VSEQOUTSZ, MATH_DEST_VARSEQOUTLEN },
-/*9*/ { NONE, MATH_DEST_NONE },
- { DPOVRD, MATH_DEST_DPOVRD }
-};
-
-/*
- * Allowed MATH result destinations for each SEC Era.
- * Values represent the number of entries from math_result[] that are
- * supported.
- */
-static const unsigned int math_result_sz[] = {9, 9, 10, 10, 10, 10, 10, 10};
-
-static inline int
-rta_math(struct program *program, uint64_t operand1,
- uint32_t op, uint64_t operand2, uint32_t result,
- int length, uint32_t options)
-{
- uint32_t opcode = CMD_MATH;
- uint32_t val = 0;
- int ret = -EINVAL;
- unsigned int start_pc = program->current_pc;
-
- if (((op == MATH_FUN_BSWAP) && (rta_sec_era < RTA_SEC_ERA_4)) ||
- ((op == MATH_FUN_ZBYT) && (rta_sec_era < RTA_SEC_ERA_2))) {
- pr_err("MATH: operation not supported by SEC Era %d. SEC PC: %d; Instr: %d\n",
- USER_SEC_ERA(rta_sec_era), program->current_pc,
- program->current_instruction);
- goto err;
- }
-
- if (options & SWP) {
- if (rta_sec_era < RTA_SEC_ERA_7) {
- pr_err("MATH: operation not supported by SEC Era %d. SEC PC: %d; Instr: %d\n",
- USER_SEC_ERA(rta_sec_era), program->current_pc,
- program->current_instruction);
- goto err;
- }
-
- if ((options & IFB) ||
- (!(options & IMMED) && !(options & IMMED2)) ||
- ((options & IMMED) && (options & IMMED2))) {
- pr_err("MATH: SWP - invalid configuration. SEC PC: %d; Instr: %d\n",
- program->current_pc,
- program->current_instruction);
- goto err;
- }
- }
-
- /*
- * SHLD operation is different from others and we
- * assume that we can have _NONE as first operand
- * or _SEQINSZ as second operand
- */
- if ((op != MATH_FUN_SHLD) && ((operand1 == NONE) ||
- (operand2 == SEQINSZ))) {
- pr_err("MATH: Invalid operand. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- goto err;
- }
-
- /*
- * We first check if it is unary operation. In that
- * case second operand must be _NONE
- */
- if (((op == MATH_FUN_ZBYT) || (op == MATH_FUN_BSWAP)) &&
- (operand2 != NONE)) {
- pr_err("MATH: Invalid operand2. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- goto err;
- }
-
- /* Write first operand field */
- if (options & IMMED) {
- opcode |= MATH_SRC0_IMM;
- } else {
- ret = __rta_map_opcode((uint32_t)operand1, math_op1,
- math_op1_sz[rta_sec_era], &val);
- if (ret < 0) {
- pr_err("MATH: operand1 not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc,
- program->current_instruction);
- goto err;
- }
- opcode |= val;
- }
-
- /* Write second operand field */
- if (options & IMMED2) {
- opcode |= MATH_SRC1_IMM;
- } else {
- ret = __rta_map_opcode((uint32_t)operand2, math_op2,
- math_op2_sz[rta_sec_era], &val);
- if (ret < 0) {
- pr_err("MATH: operand2 not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc,
- program->current_instruction);
- goto err;
- }
- opcode |= val;
- }
-
- /* Write result field */
- ret = __rta_map_opcode(result, math_result, math_result_sz[rta_sec_era],
- &val);
- if (ret < 0) {
- pr_err("MATH: result not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- goto err;
- }
- opcode |= val;
-
- /*
- * as we encode operations with their "real" values, we do not
- * to translate but we do need to validate the value
- */
- switch (op) {
- /*Binary operators */
- case (MATH_FUN_ADD):
- case (MATH_FUN_ADDC):
- case (MATH_FUN_SUB):
- case (MATH_FUN_SUBB):
- case (MATH_FUN_OR):
- case (MATH_FUN_AND):
- case (MATH_FUN_XOR):
- case (MATH_FUN_LSHIFT):
- case (MATH_FUN_RSHIFT):
- case (MATH_FUN_SHLD):
- /* Unary operators */
- case (MATH_FUN_ZBYT):
- case (MATH_FUN_BSWAP):
- opcode |= op;
- break;
- default:
- pr_err("MATH: operator is not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- ret = -EINVAL;
- goto err;
- }
-
- opcode |= (options & ~(IMMED | IMMED2));
-
- /* Verify length */
- switch (length) {
- case (1):
- opcode |= MATH_LEN_1BYTE;
- break;
- case (2):
- opcode |= MATH_LEN_2BYTE;
- break;
- case (4):
- opcode |= MATH_LEN_4BYTE;
- break;
- case (8):
- opcode |= MATH_LEN_8BYTE;
- break;
- default:
- pr_err("MATH: length is not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- ret = -EINVAL;
- goto err;
- }
-
- __rta_out32(program, opcode);
- program->current_instruction++;
-
- /* Write immediate value */
- if ((options & IMMED) && !(options & IMMED2)) {
- __rta_out64(program, (length > 4) && !(options & IFB),
- operand1);
- } else if ((options & IMMED2) && !(options & IMMED)) {
- __rta_out64(program, (length > 4) && !(options & IFB),
- operand2);
- } else if ((options & IMMED) && (options & IMMED2)) {
- __rta_out32(program, lower_32_bits(operand1));
- __rta_out32(program, lower_32_bits(operand2));
- }
-
- return (int)start_pc;
-
- err:
- program->first_error_pc = start_pc;
- program->current_instruction++;
- return ret;
-}
-
-static inline int
-rta_mathi(struct program *program, uint64_t operand,
- uint32_t op, uint8_t imm, uint32_t result,
- int length, uint32_t options)
-{
- uint32_t opcode = CMD_MATHI;
- uint32_t val = 0;
- int ret = -EINVAL;
- unsigned int start_pc = program->current_pc;
-
- if (rta_sec_era < RTA_SEC_ERA_6) {
- pr_err("MATHI: Command not supported by SEC Era %d. SEC PC: %d; Instr: %d\n",
- USER_SEC_ERA(rta_sec_era), program->current_pc,
- program->current_instruction);
- goto err;
- }
-
- if (((op == MATH_FUN_FBYT) && (options & SSEL))) {
- pr_err("MATHI: Illegal combination - FBYT and SSEL. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- goto err;
- }
-
- if ((options & SWP) && (rta_sec_era < RTA_SEC_ERA_7)) {
- pr_err("MATHI: SWP not supported by SEC Era %d. SEC PC: %d; Instr: %d\n",
- USER_SEC_ERA(rta_sec_era), program->current_pc,
- program->current_instruction);
- goto err;
- }
-
- /* Write first operand field */
- if (!(options & SSEL))
- ret = __rta_map_opcode((uint32_t)operand, math_op1,
- math_op1_sz[rta_sec_era], &val);
- else
- ret = __rta_map_opcode((uint32_t)operand, math_op2,
- math_op2_sz[rta_sec_era], &val);
- if (ret < 0) {
- pr_err("MATHI: operand not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- goto err;
- }
-
- if (!(options & SSEL))
- opcode |= val;
- else
- opcode |= (val << (MATHI_SRC1_SHIFT - MATH_SRC1_SHIFT));
-
- /* Write second operand field */
- opcode |= (imm << MATHI_IMM_SHIFT);
-
- /* Write result field */
- ret = __rta_map_opcode(result, math_result, math_result_sz[rta_sec_era],
- &val);
- if (ret < 0) {
- pr_err("MATHI: result not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- goto err;
- }
- opcode |= (val << (MATHI_DEST_SHIFT - MATH_DEST_SHIFT));
-
- /*
- * as we encode operations with their "real" values, we do not have to
- * translate but we do need to validate the value
- */
- switch (op) {
- case (MATH_FUN_ADD):
- case (MATH_FUN_ADDC):
- case (MATH_FUN_SUB):
- case (MATH_FUN_SUBB):
- case (MATH_FUN_OR):
- case (MATH_FUN_AND):
- case (MATH_FUN_XOR):
- case (MATH_FUN_LSHIFT):
- case (MATH_FUN_RSHIFT):
- case (MATH_FUN_FBYT):
- opcode |= op;
- break;
- default:
- pr_err("MATHI: operator not supported. SEC PC: %d; Instr: %d\n",
- program->current_pc, program->current_instruction);
- ret = -EINVAL;
- goto err;
- }
-
- opcode |= options;
-
- /* Verify length */
- switch (length) {
- case (1):
- opcode |= MATH_LEN_1BYTE;
- break;
- case (2):
- opcode |= MATH_LEN_2BYTE;
- break;
- case (4):
- opcode |= MATH_LEN_4BYTE;
- break;
- case (8):
- opcode |= MATH_LEN_8BYTE;
- break;
- default:
- pr_err("MATHI: length %d not supported. SEC PC: %d; Instr: %d\n",
- length, program->current_pc,
- program->current_instruction);
- ret = -EINVAL;
- goto err;
- }
-
- __rta_out32(program, opcode);
- program->current_instruction++;
-
- return (int)start_pc;
-
- err:
- program->first_error_pc = start_pc;
- program->current_instruction++;
- return ret;
-}
-
-#endif /* __RTA_MATH_CMD_H__ */
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