PPC/GDB: handle read and write of fpscr
Although the support of this register may be uncomplete, there are no reason to prevent the debugger from reading or writing it. Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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@ -781,7 +781,8 @@ static int cpu_gdb_write_register(CPUPPCState *env, uint8_t *mem_buf, int n)
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/* fpscr */
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if (gdb_has_xml)
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return 0;
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return 4;
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store_fpscr(env, ldtul_p(mem_buf), 0xffffffff);
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return sizeof(target_ulong);
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}
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}
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return 0;
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@ -1180,6 +1180,8 @@ void ppc_tlb_invalidate_one (CPUPPCState *env, target_ulong addr);
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#endif
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#endif
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void store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask);
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static inline uint64_t ppc_dump_gpr(CPUPPCState *env, int gprn)
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{
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uint64_t gprv;
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@ -463,6 +463,11 @@ void helper_store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask)
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fpscr_set_rounding_mode(env);
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}
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void store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask)
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{
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helper_store_fpscr(env, arg, mask);
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}
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void helper_float_check_status(CPUPPCState *env)
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{
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if (env->exception_index == POWERPC_EXCP_PROGRAM &&
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@ -7693,7 +7693,7 @@ static int gdb_set_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
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return 8;
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}
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if (n == 32) {
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/* FPSCR not implemented */
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helper_store_fpscr(env, ldl_p(mem_buf), 0xffffffff);
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return 4;
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}
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return 0;
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