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uti: Replace data types represented as arrays with C structures

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Defining C structures for the following objects:
(1) Remote and local context
(2) Stack of system call arguments / return values

Change-Id: Iafbb6c795bd765e3c78c54a255d8a1e4d4536288
This commit is contained in:
Masamichi Takagi
2018-09-03 18:20:00 +09:00
parent 04d4145b3e
commit 781a69617b
12 changed files with 215 additions and 188 deletions
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26
executer/include/uprotocol.h
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@@ -55,8 +55,8 @@
#define MCEXEC_UP_SYS_UMOUNT 0x30a02915
#define MCEXEC_UP_SYS_UNSHARE 0x30a02916
#define MCEXEC_UP_UTIL_THREAD1 0x30a02920
#define MCEXEC_UP_UTIL_THREAD2 0x30a02921
#define MCEXEC_UP_UTI_GET_CTX 0x30a02920
#define MCEXEC_UP_UTI_SAVE_FS 0x30a02921
#define MCEXEC_UP_SIG_THREAD 0x30a02922
#define MCEXEC_UP_SYSCALL_THREAD 0x30a02924
#define MCEXEC_UP_TERMINATE_THREAD 0x30a02925
@@ -331,4 +331,26 @@ struct uti_attr_desc {
unsigned long phys_attr;
};
struct uti_ctx {
union {
char ctx[4096]; /* TODO: Get the size from config.h */
struct {
int uti_refill_tid;
};
};
};
struct uti_get_ctx_desc {
unsigned long rp_rctx; /* Remote physical address of remote context */
void *rctx; /* Remote context */
void *lctx; /* Local context */
int uti_refill_tid;
unsigned long key; /* OUT: struct task_struct* of mcexec thread, used to search struct host_thread */
};
struct uti_save_fs_desc {
void *rctx; /* Remote context */
void *lctx; /* Local context */
};
#endif