openocd: src/target: replace the GPL-2.0-or-later license tag
[openocd.git] / src / target / arm920t.c
index a45dc64201227d6f96e42ca2044dfdd8cae5a858..7b5fa81e67095a777b6c3a7f871fc80d8d056f7e 100644 (file)
@@ -1,20 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -799,11 +788,11 @@ int arm920t_soft_reset_halt(struct target *target)
 /* FIXME remove forward decls */
 static int arm920t_mrc(struct target *target, int cpnum,
                uint32_t op1, uint32_t op2,
-               uint32_t CRn, uint32_t CRm,
+               uint32_t crn, uint32_t crm,
                uint32_t *value);
 static int arm920t_mcr(struct target *target, int cpnum,
                uint32_t op1, uint32_t op2,
-               uint32_t CRn, uint32_t CRm,
+               uint32_t crn, uint32_t crm,
                uint32_t value);
 
 static int arm920t_init_arch_info(struct target *target,
@@ -873,7 +862,7 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
        uint32_t cp15_ctrl, cp15_ctrl_saved;
        uint32_t regs[16];
        uint32_t *regs_p[16];
-       uint32_t C15_C_D_Ind, C15_C_I_Ind;
+       uint32_t c15_c_d_ind, c15_c_i_ind;
        int i;
        FILE *output;
        int segment, index_t;
@@ -887,7 +876,7 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        output = fopen(CMD_ARGV[0], "w");
-       if (output == NULL) {
+       if (!output) {
                LOG_DEBUG("error opening cache content file");
                return ERROR_OK;
        }
@@ -933,7 +922,7 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
 
                /* read current victim */
                arm920t_read_cp15_physical(target,
-                       CP15PHYS_DCACHE_IDX, &C15_C_D_Ind);
+                       CP15PHYS_DCACHE_IDX, &c15_c_d_ind);
 
                /* clear interpret mode */
                cp15c15 &= ~0x1;
@@ -992,7 +981,7 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
                }
 
                /* Ra: r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0) */
-               regs[0] = 0x0 | (segment << 5) | (C15_C_D_Ind << 26);
+               regs[0] = 0x0 | (segment << 5) | (c15_c_d_ind << 26);
                arm9tdmi_write_core_regs(target, 0x1, regs);
 
                /* set interpret mode */
@@ -1034,7 +1023,7 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
 
                /* read current victim */
                arm920t_read_cp15_physical(target, CP15PHYS_ICACHE_IDX,
-                       &C15_C_I_Ind);
+                       &c15_c_i_ind);
 
                /* clear interpret mode */
                cp15c15 &= ~0x1;
@@ -1092,7 +1081,7 @@ COMMAND_HANDLER(arm920t_handle_read_cache_command)
                }
 
                /* Ra: r0 = index(31:26):SBZ(25:8):segment(7:5):SBZ(4:0) */
-               regs[0] = 0x0 | (segment << 5) | (C15_C_D_Ind << 26);
+               regs[0] = 0x0 | (segment << 5) | (c15_c_d_ind << 26);
                arm9tdmi_write_core_regs(target, 0x1, regs);
 
                /* set interpret mode */
@@ -1156,7 +1145,7 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
        uint32_t *regs_p[16];
        int i;
        FILE *output;
-       uint32_t Dlockdown, Ilockdown;
+       uint32_t d_lockdown, i_lockdown;
        struct arm920t_tlb_entry d_tlb[64], i_tlb[64];
        int victim;
        struct reg *r;
@@ -1169,7 +1158,7 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
        output = fopen(CMD_ARGV[0], "w");
-       if (output == NULL) {
+       if (!output) {
                LOG_DEBUG("error opening mmu content file");
                return ERROR_OK;
        }
@@ -1213,13 +1202,13 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
        retval = jtag_execute_queue();
        if (retval != ERROR_OK)
                return retval;
-       Dlockdown = regs[1];
+       d_lockdown = regs[1];
 
        for (victim = 0; victim < 64; victim += 8) {
                /* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
                 * base remains unchanged, victim goes through entries 0 to 63
                 */
-               regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
+               regs[1] = (d_lockdown & 0xfc000000) | (victim << 20);
                arm9tdmi_write_core_regs(target, 0x2, regs);
 
                /* set interpret mode */
@@ -1256,7 +1245,7 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
                /* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
                 * base remains unchanged, victim goes through entries 0 to 63
                 */
-               regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
+               regs[1] = (d_lockdown & 0xfc000000) | (victim << 20);
                arm9tdmi_write_core_regs(target, 0x2, regs);
 
                /* set interpret mode */
@@ -1292,7 +1281,7 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
        }
 
        /* restore D TLB lockdown */
-       regs[1] = Dlockdown;
+       regs[1] = d_lockdown;
        arm9tdmi_write_core_regs(target, 0x2, regs);
 
        /* Write D TLB lockdown */
@@ -1319,13 +1308,13 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
        retval = jtag_execute_queue();
        if (retval != ERROR_OK)
                return retval;
-       Ilockdown = regs[1];
+       i_lockdown = regs[1];
 
        for (victim = 0; victim < 64; victim += 8) {
                /* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
                 * base remains unchanged, victim goes through entries 0 to 63
                 */
-               regs[1] = (Ilockdown & 0xfc000000) | (victim << 20);
+               regs[1] = (i_lockdown & 0xfc000000) | (victim << 20);
                arm9tdmi_write_core_regs(target, 0x2, regs);
 
                /* set interpret mode */
@@ -1362,7 +1351,7 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
                /* new lockdown value: base[31:26]:victim[25:20]:SBZ[19:1]:p[0]
                 * base remains unchanged, victim goes through entries 0 to 63
                 */
-               regs[1] = (Dlockdown & 0xfc000000) | (victim << 20);
+               regs[1] = (d_lockdown & 0xfc000000) | (victim << 20);
                arm9tdmi_write_core_regs(target, 0x2, regs);
 
                /* set interpret mode */
@@ -1398,7 +1387,7 @@ COMMAND_HANDLER(arm920t_handle_read_mmu_command)
        }
 
        /* restore I TLB lockdown */
-       regs[1] = Ilockdown;
+       regs[1] = i_lockdown;
        arm9tdmi_write_core_regs(target, 0x2, regs);
 
        /* Write I TLB lockdown */
@@ -1528,7 +1517,7 @@ COMMAND_HANDLER(arm920t_handle_cache_info_command)
 
 static int arm920t_mrc(struct target *target, int cpnum,
        uint32_t op1, uint32_t op2,
-       uint32_t CRn, uint32_t CRm,
+       uint32_t crn, uint32_t crm,
        uint32_t *value)
 {
        if (cpnum != 15) {
@@ -1538,13 +1527,13 @@ static int arm920t_mrc(struct target *target, int cpnum,
 
        /* read "to" r0 */
        return arm920t_read_cp15_interpreted(target,
-               ARMV4_5_MRC(cpnum, op1, 0, CRn, CRm, op2),
+               ARMV4_5_MRC(cpnum, op1, 0, crn, crm, op2),
                0, value);
 }
 
 static int arm920t_mcr(struct target *target, int cpnum,
        uint32_t op1, uint32_t op2,
-       uint32_t CRn, uint32_t CRm,
+       uint32_t crn, uint32_t crm,
        uint32_t value)
 {
        if (cpnum != 15) {
@@ -1554,7 +1543,7 @@ static int arm920t_mcr(struct target *target, int cpnum,
 
        /* write "from" r0 */
        return arm920t_write_cp15_interpreted(target,
-               ARMV4_5_MCR(cpnum, op1, 0, CRn, CRm, op2),
+               ARMV4_5_MCR(cpnum, op1, 0, crn, crm, op2),
                0, value);
 }
 

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