LCOV - code coverage report
Current view: top level - drivers/common/dpaax/caamflib/rta - store_cmd.h (source / functions) Hit Total Coverage
Test: Code coverage Lines: 0 43 0.0 %
Date: 2024-01-22 15:35:40 Functions: 0 1 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 32 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
       2                 :            :  *
       3                 :            :  * Copyright 2008-2016 Freescale Semiconductor Inc.
       4                 :            :  * Copyright 2016,2019 NXP
       5                 :            :  */
       6                 :            : 
       7                 :            : #ifndef __RTA_STORE_CMD_H__
       8                 :            : #define __RTA_STORE_CMD_H__
       9                 :            : 
      10                 :            : extern enum rta_sec_era rta_sec_era;
      11                 :            : 
      12                 :            : static const uint32_t store_src_table[][2] = {
      13                 :            : /*1*/   { KEY1SZ,       LDST_CLASS_1_CCB | LDST_SRCDST_WORD_KEYSZ_REG },
      14                 :            :         { KEY2SZ,       LDST_CLASS_2_CCB | LDST_SRCDST_WORD_KEYSZ_REG },
      15                 :            :         { DJQDA,        LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_JQDAR },
      16                 :            :         { MODE1,        LDST_CLASS_1_CCB | LDST_SRCDST_WORD_MODE_REG },
      17                 :            :         { MODE2,        LDST_CLASS_2_CCB | LDST_SRCDST_WORD_MODE_REG },
      18                 :            :         { DJQCTRL,      LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_JQCTRL },
      19                 :            :         { DATA1SZ,      LDST_CLASS_1_CCB | LDST_SRCDST_WORD_DATASZ_REG },
      20                 :            :         { DATA2SZ,      LDST_CLASS_2_CCB | LDST_SRCDST_WORD_DATASZ_REG },
      21                 :            :         { DSTAT,        LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_STAT },
      22                 :            :         { ICV1SZ,       LDST_CLASS_1_CCB | LDST_SRCDST_WORD_ICVSZ_REG },
      23                 :            :         { ICV2SZ,       LDST_CLASS_2_CCB | LDST_SRCDST_WORD_ICVSZ_REG },
      24                 :            :         { DPID,         LDST_CLASS_DECO | LDST_SRCDST_WORD_PID },
      25                 :            :         { CCTRL,        LDST_SRCDST_WORD_CHACTRL },
      26                 :            :         { ICTRL,        LDST_SRCDST_WORD_IRQCTRL },
      27                 :            :         { CLRW,         LDST_SRCDST_WORD_CLRW },
      28                 :            :         { MATH0,        LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH0 },
      29                 :            :         { CSTAT,        LDST_SRCDST_WORD_STAT },
      30                 :            :         { MATH1,        LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH1 },
      31                 :            :         { MATH2,        LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH2 },
      32                 :            :         { AAD1SZ,       LDST_CLASS_1_CCB | LDST_SRCDST_WORD_DECO_AAD_SZ },
      33                 :            :         { MATH3,        LDST_CLASS_DECO | LDST_SRCDST_WORD_DECO_MATH3 },
      34                 :            :         { IV1SZ,        LDST_CLASS_1_CCB | LDST_SRCDST_WORD_CLASS1_IV_SZ },
      35                 :            :         { PKASZ,        LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_A_SZ },
      36                 :            :         { PKBSZ,        LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_B_SZ },
      37                 :            :         { PKESZ,        LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_E_SZ },
      38                 :            :         { PKNSZ,        LDST_CLASS_1_CCB | LDST_SRCDST_WORD_PKHA_N_SZ },
      39                 :            :         { CONTEXT1,     LDST_CLASS_1_CCB | LDST_SRCDST_BYTE_CONTEXT },
      40                 :            :         { CONTEXT2,     LDST_CLASS_2_CCB | LDST_SRCDST_BYTE_CONTEXT },
      41                 :            :         { DESCBUF,      LDST_CLASS_DECO | LDST_SRCDST_WORD_DESCBUF },
      42                 :            : /*30*/  { JOBDESCBUF,   LDST_CLASS_DECO | LDST_SRCDST_WORD_DESCBUF_JOB },
      43                 :            :         { SHAREDESCBUF, LDST_CLASS_DECO | LDST_SRCDST_WORD_DESCBUF_SHARED },
      44                 :            : /*32*/  { JOBDESCBUF_EFF,   LDST_CLASS_DECO |
      45                 :            :                 LDST_SRCDST_WORD_DESCBUF_JOB_WE },
      46                 :            :         { SHAREDESCBUF_EFF, LDST_CLASS_DECO |
      47                 :            :                 LDST_SRCDST_WORD_DESCBUF_SHARED_WE },
      48                 :            : /*34*/  { GTR,          LDST_CLASS_DECO | LDST_SRCDST_WORD_GTR },
      49                 :            :         { STR,          LDST_CLASS_DECO | LDST_SRCDST_WORD_STR }
      50                 :            : };
      51                 :            : 
      52                 :            : /*
      53                 :            :  * Allowed STORE sources for each SEC ERA.
      54                 :            :  * Values represent the number of entries from source_src_table[] that are
      55                 :            :  * supported.
      56                 :            :  */
      57                 :            : static const unsigned int store_src_table_sz[] = {29, 31, 33, 33,
      58                 :            :                                                   33, 33, 35, 35,
      59                 :            :                                                   35, 35};
      60                 :            : 
      61                 :            : static inline int
      62                 :          0 : rta_store(struct program *program, uint64_t src,
      63                 :            :           uint16_t offset, uint64_t dst, uint32_t length,
      64                 :            :           uint32_t flags)
      65                 :            : {
      66                 :            :         uint32_t opcode = 0, val;
      67                 :            :         int ret = -EINVAL;
      68                 :          0 :         unsigned int start_pc = program->current_pc;
      69                 :            : 
      70         [ #  # ]:          0 :         if (flags & SEQ)
      71                 :            :                 opcode = CMD_SEQ_STORE;
      72                 :            :         else
      73                 :            :                 opcode = CMD_STORE;
      74                 :            : 
      75                 :            :         /* parameters check */
      76         [ #  # ]:          0 :         if ((flags & IMMED) && (flags & SGF)) {
      77                 :          0 :                 pr_err("STORE: Invalid flag. SEC PC: %d; Instr: %d\n",
      78                 :            :                        program->current_pc, program->current_instruction);
      79                 :          0 :                 goto err;
      80                 :            :         }
      81   [ #  #  #  # ]:          0 :         if ((flags & IMMED) && (offset != 0)) {
      82                 :          0 :                 pr_err("STORE: Invalid flag. SEC PC: %d; Instr: %d\n",
      83                 :            :                        program->current_pc, program->current_instruction);
      84                 :          0 :                 goto err;
      85                 :            :         }
      86                 :            : 
      87         [ #  # ]:          0 :         if ((flags & SEQ) && ((src == JOBDESCBUF) || (src == SHAREDESCBUF) ||
      88   [ #  #  #  # ]:          0 :                               (src == JOBDESCBUF_EFF) ||
      89                 :            :                               (src == SHAREDESCBUF_EFF))) {
      90                 :          0 :                 pr_err("STORE: Invalid SRC type. SEC PC: %d; Instr: %d\n",
      91                 :            :                        program->current_pc, program->current_instruction);
      92                 :          0 :                 goto err;
      93                 :            :         }
      94                 :            : 
      95         [ #  # ]:          0 :         if (flags & IMMED)
      96                 :          0 :                 opcode |= LDST_IMM;
      97                 :            : 
      98         [ #  # ]:          0 :         if ((flags & SGF) || (flags & VLF))
      99                 :          0 :                 opcode |= LDST_VLF;
     100                 :            : 
     101                 :            :         /*
     102                 :            :          * source for data to be stored can be specified as:
     103                 :            :          *    - register location; set in src field[9-15];
     104                 :            :          *    - if IMMED flag is set, data is set in value field [0-31];
     105                 :            :          *      user can give this value as actual value or pointer to data
     106                 :            :          */
     107         [ #  # ]:          0 :         if (!(flags & IMMED)) {
     108                 :          0 :                 ret = __rta_map_opcode((uint32_t)src, store_src_table,
     109                 :          0 :                                        store_src_table_sz[rta_sec_era], &val);
     110                 :            :                 if (ret < 0) {
     111                 :          0 :                         pr_err("STORE: Invalid source. SEC PC: %d; Instr: %d\n",
     112                 :            :                                program->current_pc,
     113                 :            :                                program->current_instruction);
     114                 :          0 :                         goto err;
     115                 :            :                 }
     116                 :          0 :                 opcode |= val;
     117                 :            :         }
     118                 :            : 
     119                 :            :         /* DESC BUFFER: length / offset values are specified in 4-byte words */
     120                 :          0 :         if ((src == DESCBUF) || (src == JOBDESCBUF) || (src == SHAREDESCBUF) ||
     121   [ #  #  #  # ]:          0 :             (src == JOBDESCBUF_EFF) || (src == SHAREDESCBUF_EFF)) {
     122                 :          0 :                 opcode |= (length >> 2);
     123                 :          0 :                 opcode |= (uint32_t)((offset >> 2) << LDST_OFFSET_SHIFT);
     124                 :            :         } else {
     125                 :          0 :                 opcode |= length;
     126                 :          0 :                 opcode |= (uint32_t)(offset << LDST_OFFSET_SHIFT);
     127                 :            :         }
     128                 :            : 
     129                 :          0 :         __rta_out32(program, opcode);
     130                 :          0 :         program->current_instruction++;
     131                 :            : 
     132         [ #  # ]:          0 :         if ((src == JOBDESCBUF) || (src == SHAREDESCBUF) ||
     133         [ #  # ]:          0 :             (src == JOBDESCBUF_EFF) || (src == SHAREDESCBUF_EFF))
     134                 :          0 :                 return (int)start_pc;
     135                 :            : 
     136                 :            :         /* for STORE, a pointer to where the data will be stored if needed */
     137         [ #  # ]:          0 :         if (!(flags & SEQ))
     138                 :          0 :                 __rta_out64(program, program->ps, dst);
     139                 :            : 
     140                 :            :         /* for IMMED data, place the data here */
     141         [ #  # ]:          0 :         if (flags & IMMED)
     142                 :          0 :                 __rta_inline_data(program, src, flags & __COPY_MASK, length);
     143                 :            : 
     144                 :          0 :         return (int)start_pc;
     145                 :            : 
     146                 :          0 :  err:
     147                 :          0 :         program->first_error_pc = start_pc;
     148                 :          0 :         program->current_instruction++;
     149                 :          0 :         return ret;
     150                 :            : }
     151                 :            : 
     152                 :            : #endif /* __RTA_STORE_CMD_H__ */

Generated by: LCOV version 1.14