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Implemented instructions in the runtime for memory management

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Pretty simple, required some new types of errors.  Obviously there's
space for a macro for the differing instruction implementations, but
these things need to be tested a bit more before I can do that.
This commit is contained in:
Aryadev Chavali
2023-11-01 21:17:33 +00:00
parent eda49755bc
commit be312cfbbf
2 changed files with 167 additions and 5 deletions
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28
vm/runtime.h
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@@ -29,6 +29,8 @@ typedef enum
ERR_INVALID_REGISTER_HWORD,
ERR_INVALID_REGISTER_WORD,
ERR_INVALID_PROGRAM_ADDRESS,
ERR_INVALID_PAGE_ADDRESS,
ERR_OUT_OF_BOUNDS,
ERR_END_OF_PROGRAM,
} err_t;
@@ -100,6 +102,18 @@ err_t vm_dup_byte(vm_t *, word);
err_t vm_dup_hword(vm_t *, word);
err_t vm_dup_word(vm_t *, word);
err_t vm_malloc_byte(vm_t *, word);
err_t vm_malloc_hword(vm_t *, word);
err_t vm_malloc_word(vm_t *, word);
err_t vm_mset_byte(vm_t *, word);
err_t vm_mset_hword(vm_t *, word);
err_t vm_mset_word(vm_t *, word);
err_t vm_mget_byte(vm_t *, word);
err_t vm_mget_hword(vm_t *, word);
err_t vm_mget_word(vm_t *, word);
typedef err_t (*word_f)(vm_t *, word);
static const word_f WORD_ROUTINES[] = {
[OP_PUSH_REGISTER_BYTE] = vm_push_byte_register,
@@ -111,8 +125,18 @@ static const word_f WORD_ROUTINES[] = {
[OP_DUP_BYTE] = vm_dup_byte,
[OP_DUP_HWORD] = vm_dup_hword,
[OP_DUP_WORD] = vm_dup_word,
[OP_MALLOC_BYTE] = vm_malloc_byte,
[OP_MALLOC_HWORD] = vm_malloc_hword,
[OP_MALLOC_WORD] = vm_malloc_word,
[OP_MGET_BYTE] = vm_mget_byte,
[OP_MGET_HWORD] = vm_mget_hword,
[OP_MGET_WORD] = vm_mget_word,
[OP_MSET_BYTE] = vm_mset_byte,
[OP_MSET_HWORD] = vm_mset_hword,
[OP_MSET_WORD] = vm_mset_word,
};
err_t vm_mdelete(vm_t *);
err_t vm_not_byte(vm_t *);
err_t vm_not_hword(vm_t *);
@@ -175,8 +199,8 @@ err_t vm_mult_word(vm_t *);
typedef err_t (*stack_f)(vm_t *);
static const stack_f STACK_ROUTINES[] = {
[OP_NOT_BYTE] = vm_not_byte, [OP_NOT_HWORD] = vm_not_hword,
[OP_NOT_WORD] = vm_not_word,
[OP_MDELETE] = vm_mdelete, [OP_NOT_BYTE] = vm_not_byte,
[OP_NOT_HWORD] = vm_not_hword, [OP_NOT_WORD] = vm_not_word,
[OP_OR_BYTE] = vm_or_byte, [OP_OR_HWORD] = vm_or_hword,
[OP_OR_WORD] = vm_or_word,