56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
// Copyright 2020-2021 Beken
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "bk_arch.h"
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#include "armstar.h"
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#include "fpb.h"
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void fpb_enable_breakpoint_unit(void)
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{
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FPB->FP_CTRL |= FPB_CTRL_KEY | FPB_CTRL_ENABLE;
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}
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void fpb_disable_breakpoint_unit(void)
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{
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uint32_t val;
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val = FPB->FP_CTRL;
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val &= (~FPB_CTRL_ENABLE);
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val |= FPB_CTRL_KEY;
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FPB->FP_CTRL = val;
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}
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uint32_t fpb_set_program_breakpoint(uint32_t program_addr)
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{
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uint32_t ret = 1;
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uint32_t i, val;
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for(i = 0; i < FP_COMPARATOR_CNT; i ++){
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if(0 == (FPB->FP_COMP[i] & FPB_COMP_ENABLE)){
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program_addr &= (~(1 << 0));
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val = program_addr | FPB_COMP_ENABLE;
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FPB->FP_COMP[i] = val;
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fpb_enable_breakpoint_unit();
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ret = 0;
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break;
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}
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}
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return ret;
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}
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// eof
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