66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef KERNEL_H
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#define KERNEL_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "f256.h"
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#define kernelEvent(member) (size_t)(&((struct events *)0)->member)
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#define kernelVector(member) (size_t)(&((struct call *)0xff00)->member)
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#define kernelCall(fn) \
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asm("jsr %[addy] \n" \
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"stz %[err] \n" \
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"ror %[err]" \
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: [err] "+m"(kernelError) \
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: [addy] "i"(kernelVector(fn)) \
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: "a", "x", "y", "c", "v");
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typedef struct event_t kernelEventT;
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typedef struct call_args kernelArgsT;
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extern char kernelError;
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extern kernelArgsT *kernelArgs;
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extern kernelEventT kernelEventData;
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byte kernelGetPending(void);
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void kernelReset(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // KERNEL_H
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