root / target-s390x / gdbstub.c @ 5b50e790
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1 | cfae5c90 | Andreas Färber | /*
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2 | cfae5c90 | Andreas Färber | * s390x gdb server stub
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3 | cfae5c90 | Andreas Färber | *
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4 | cfae5c90 | Andreas Färber | * Copyright (c) 2003-2005 Fabrice Bellard
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5 | cfae5c90 | Andreas Färber | * Copyright (c) 2013 SUSE LINUX Products GmbH
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6 | cfae5c90 | Andreas Färber | *
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7 | cfae5c90 | Andreas Färber | * This library is free software; you can redistribute it and/or
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8 | cfae5c90 | Andreas Färber | * modify it under the terms of the GNU Lesser General Public
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9 | cfae5c90 | Andreas Färber | * License as published by the Free Software Foundation; either
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10 | cfae5c90 | Andreas Färber | * version 2 of the License, or (at your option) any later version.
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11 | cfae5c90 | Andreas Färber | *
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12 | cfae5c90 | Andreas Färber | * This library is distributed in the hope that it will be useful,
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13 | cfae5c90 | Andreas Färber | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | cfae5c90 | Andreas Färber | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | cfae5c90 | Andreas Färber | * Lesser General Public License for more details.
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16 | cfae5c90 | Andreas Färber | *
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17 | cfae5c90 | Andreas Färber | * You should have received a copy of the GNU Lesser General Public
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18 | cfae5c90 | Andreas Färber | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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19 | cfae5c90 | Andreas Färber | */
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20 | 5b50e790 | Andreas Färber | #include "config.h" |
21 | 5b50e790 | Andreas Färber | #include "qemu-common.h" |
22 | 5b50e790 | Andreas Färber | #include "exec/gdbstub.h" |
23 | 5b50e790 | Andreas Färber | #include "qemu/bitops.h" |
24 | cfae5c90 | Andreas Färber | |
25 | 5b50e790 | Andreas Färber | int s390_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) |
26 | cfae5c90 | Andreas Färber | { |
27 | 5b50e790 | Andreas Färber | S390CPU *cpu = S390_CPU(cs); |
28 | 5b50e790 | Andreas Färber | CPUS390XState *env = &cpu->env; |
29 | cfae5c90 | Andreas Färber | uint64_t val; |
30 | cfae5c90 | Andreas Färber | int cc_op;
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31 | cfae5c90 | Andreas Färber | |
32 | cfae5c90 | Andreas Färber | switch (n) {
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33 | cfae5c90 | Andreas Färber | case S390_PSWM_REGNUM:
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34 | cfae5c90 | Andreas Färber | cc_op = calc_cc(env, env->cc_op, env->cc_src, env->cc_dst, env->cc_vr); |
35 | cfae5c90 | Andreas Färber | val = deposit64(env->psw.mask, 44, 2, cc_op); |
36 | 986a2998 | Andreas Färber | return gdb_get_regl(mem_buf, val);
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37 | cfae5c90 | Andreas Färber | case S390_PSWA_REGNUM:
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38 | 986a2998 | Andreas Färber | return gdb_get_regl(mem_buf, env->psw.addr);
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39 | cfae5c90 | Andreas Färber | case S390_R0_REGNUM ... S390_R15_REGNUM:
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40 | 986a2998 | Andreas Färber | return gdb_get_regl(mem_buf, env->regs[n-S390_R0_REGNUM]);
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41 | cfae5c90 | Andreas Färber | case S390_A0_REGNUM ... S390_A15_REGNUM:
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42 | 986a2998 | Andreas Färber | return gdb_get_reg32(mem_buf, env->aregs[n-S390_A0_REGNUM]);
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43 | cfae5c90 | Andreas Färber | case S390_FPC_REGNUM:
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44 | 986a2998 | Andreas Färber | return gdb_get_reg32(mem_buf, env->fpc);
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45 | cfae5c90 | Andreas Färber | case S390_F0_REGNUM ... S390_F15_REGNUM:
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46 | 986a2998 | Andreas Färber | return gdb_get_reg64(mem_buf, env->fregs[n-S390_F0_REGNUM].ll);
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47 | cfae5c90 | Andreas Färber | } |
48 | cfae5c90 | Andreas Färber | |
49 | cfae5c90 | Andreas Färber | return 0; |
50 | cfae5c90 | Andreas Färber | } |
51 | cfae5c90 | Andreas Färber | |
52 | 5b50e790 | Andreas Färber | int s390_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) |
53 | cfae5c90 | Andreas Färber | { |
54 | 5b50e790 | Andreas Färber | S390CPU *cpu = S390_CPU(cs); |
55 | 5b50e790 | Andreas Färber | CPUS390XState *env = &cpu->env; |
56 | cfae5c90 | Andreas Färber | target_ulong tmpl; |
57 | cfae5c90 | Andreas Färber | uint32_t tmp32; |
58 | cfae5c90 | Andreas Färber | int r = 8; |
59 | cfae5c90 | Andreas Färber | tmpl = ldtul_p(mem_buf); |
60 | cfae5c90 | Andreas Färber | tmp32 = ldl_p(mem_buf); |
61 | cfae5c90 | Andreas Färber | |
62 | cfae5c90 | Andreas Färber | switch (n) {
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63 | cfae5c90 | Andreas Färber | case S390_PSWM_REGNUM:
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64 | cfae5c90 | Andreas Färber | env->psw.mask = tmpl; |
65 | cfae5c90 | Andreas Färber | env->cc_op = extract64(tmpl, 44, 2); |
66 | cfae5c90 | Andreas Färber | break;
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67 | cfae5c90 | Andreas Färber | case S390_PSWA_REGNUM:
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68 | cfae5c90 | Andreas Färber | env->psw.addr = tmpl; |
69 | cfae5c90 | Andreas Färber | break;
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70 | cfae5c90 | Andreas Färber | case S390_R0_REGNUM ... S390_R15_REGNUM:
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71 | cfae5c90 | Andreas Färber | env->regs[n-S390_R0_REGNUM] = tmpl; |
72 | cfae5c90 | Andreas Färber | break;
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73 | cfae5c90 | Andreas Färber | case S390_A0_REGNUM ... S390_A15_REGNUM:
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74 | cfae5c90 | Andreas Färber | env->aregs[n-S390_A0_REGNUM] = tmp32; |
75 | cfae5c90 | Andreas Färber | r = 4;
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76 | cfae5c90 | Andreas Färber | break;
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77 | cfae5c90 | Andreas Färber | case S390_FPC_REGNUM:
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78 | cfae5c90 | Andreas Färber | env->fpc = tmp32; |
79 | cfae5c90 | Andreas Färber | r = 4;
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80 | cfae5c90 | Andreas Färber | break;
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81 | cfae5c90 | Andreas Färber | case S390_F0_REGNUM ... S390_F15_REGNUM:
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82 | cfae5c90 | Andreas Färber | env->fregs[n-S390_F0_REGNUM].ll = tmpl; |
83 | cfae5c90 | Andreas Färber | break;
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84 | cfae5c90 | Andreas Färber | default:
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85 | cfae5c90 | Andreas Färber | return 0; |
86 | cfae5c90 | Andreas Färber | } |
87 | cfae5c90 | Andreas Färber | return r;
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88 | cfae5c90 | Andreas Färber | } |