d06fbd35c8
The port more or less fully works now, except for actual interrupt driven io and proper atomics. Also hit a floating point exception in the string benchmark.
43 lines
939 B
C
43 lines
939 B
C
/*
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* Copyright (c) 2019 Travis Geiselbrecht
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*
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* Use of this source code is governed by a MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT
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*/
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#pragma once
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#include <arch/vax/mtpr.h>
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// Offsets into the SCB for various vectors that we care about.
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// Many are not used yet, so dont fill all of them.
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#define SCB_ADAPTER_BASE (0x100)
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#define SCB_DEVICE_BASE (0x200)
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#define SCB_MAX_OFFSET (0x600) // according to the 1987 vax arch manual
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#define SCB_FLAG_KERNEL_STACK (0b00)
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#define SCB_FLAG_INT_STACK (0b01)
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#ifndef __ASSEMBLER__
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#include <assert.h>
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struct vax_pcb {
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uint32_t ksp;
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uint32_t esp;
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uint32_t ssp;
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uint32_t usp;
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uint32_t r[14];
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uint32_t pc;
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uint32_t psl;
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uint32_t p0br;
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uint32_t p0lr;
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uint32_t p1br;
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uint32_t p1lr;
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};
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static_assert(sizeof(struct vax_pcb) == 96);
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#endif // __ASSEMBLER__
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