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| author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-01 21:17:33 +0000 |
|---|---|---|
| committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2023-11-01 21:38:52 +0000 |
| commit | be312cfbbf6daf28c7a99464f2f59bd0c1dd355e (patch) | |
| tree | 29823245b050bab0a2ef2ec19862e8bad01b94a4 /vm/runtime.h | |
| parent | eda49755bc91e03092dc1619d78cded126998d64 (diff) | |
| download | ovm-be312cfbbf6daf28c7a99464f2f59bd0c1dd355e.tar.gz ovm-be312cfbbf6daf28c7a99464f2f59bd0c1dd355e.tar.bz2 ovm-be312cfbbf6daf28c7a99464f2f59bd0c1dd355e.zip | |
Implemented instructions in the runtime for memory management
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.
Diffstat (limited to 'vm/runtime.h')
| -rw-r--r-- | vm/runtime.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/vm/runtime.h b/vm/runtime.h index c4d28d8..9ac1b47 100644 --- a/vm/runtime.h +++ b/vm/runtime.h @@ -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, |