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#ifndef _JOVE_SYS_SYSCALL_H
#define _JOVE_SYS_SYSCALL_H 1
#include "config.h"
#include "api/syscall.h"
#include "hal/obj.h"
#include "lockstack.h"
#include "link.h"
#include <stdint.h>
#define CHECK_TOOSMALL(required, present, fail_msg) \
do { if(present < required) { \
kprintf("%s: %s\n", __func__, fail_msg); \
return -ETOOSMALL; \
} } while(0)
#define CHECK_OBJEXISTS(obj, fail_msg) \
do { if(obj == NULL) { \
kprintf("%s: %s\n", __func__, fail_msg); \
return -EBADOBJ; \
} } while(0)
#define CHECK_OBJTYPE(obj, type, fail_msg) \
do { if(obj_gettype(obj) != type) { \
kprintf("%s: %s\n", __func__, fail_msg); \
return -EBADOBJ; \
} } while(0)
#define CHECK_OBJPERM(obj, perms, fail_msg) \
do { if((obj.permissions & perms) == 0) { \
kprintf("%s: %s\n", __func__, fail_msg); \
return -EPERM; \
} } while(0)
typedef struct syscall_state
{
lockstack_t lockstack;
jove_owned_obj_t *pcb;
jove_owned_obj_t *objdir;
jove_perm_obj_t message;
jove_perm_obj_t target;
struct syscall_header *header;
size_t bytes_left;
void *payload;
} syscall_context_t;
typedef int (*syscall_handle_t)(syscall_context_t*);
int __syscall_generic_objpath(jove_owned_obj_t *objdir, size_t bytes_left, void *payload_data, jove_owned_obj_t **retobj);
int _syscall_handle_switch(syscall_context_t *ctx);
int _syscall_handle_generic(syscall_context_t *ctx);
int _syscall_handle_arch(syscall_context_t *ctx);
int _syscall_handle_vtt(syscall_context_t *ctx);
int _syscall_handle_objdir(syscall_context_t *ctx);
int _syscall_handle_untyped(syscall_context_t *ctx);
int _syscall_handle_pagedir(syscall_context_t *ctx);
int _syscall_handle_region(syscall_context_t *ctx);
int _syscall_handle_pcb(syscall_context_t *ctx);
int _syscall_handle_initrd_file(syscall_context_t *ctx);
int _syscall_handle_message(syscall_context_t *ctx);
#endif
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