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Registers are now fixed size

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This commit is contained in:
Aryadev Chavali
2024-06-24 14:38:11 +01:00
parent 4ad3d46996
commit 3cd2dbc2ac
5 changed files with 81 additions and 65 deletions
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15
vm/struct.h
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@@ -17,9 +17,11 @@
#include <lib/heap.h>
#include <lib/inst.h>
typedef darr_t registers_t;
#define VM_NTH_REGISTER(REGISTERS, N) (((word_t *)((REGISTERS).data))[N])
#define VM_REGISTERS_AVAILABLE(REGISTERS) (((REGISTERS).available) / WORD_SIZE)
struct Registers
{
byte_t *bytes;
size_t size;
};
struct Stack
{
@@ -39,9 +41,12 @@ struct CallStack
size_t ptr, max;
};
#define VM_NTH_REGISTER(REGISTERS, N) (((word_t *)((REGISTERS).bytes))[N])
#define VM_REGISTERS_AVAILABLE(REGISTERS) (((REGISTERS).size) / WORD_SIZE)
typedef struct
{
registers_t registers;
struct Registers registers;
struct Stack stack;
heap_t heap;
@@ -51,7 +56,7 @@ typedef struct
// Start and stop
void vm_load_stack(vm_t *, byte_t *, size_t);
void vm_load_registers(vm_t *, registers_t);
void vm_load_registers(vm_t *, byte_t *, size_t);
void vm_load_heap(vm_t *, heap_t);
void vm_load_program(vm_t *, prog_t);
void vm_load_call_stack(vm_t *, word_t *, size_t);