Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-05-27 11:26:12 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

libc/arch_atomic: add FAR to pointers.

Browse Source 
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
This commit is contained in:
wangbowen6
2022-04-28 21:27:50 +08:00
committed by Xiang Xiao
parent ea164f28b8
commit dcb440a4d9
1 changed files with 56 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/libc/machine/arch_atomic.c
+56 -49
View File
@@ -34,59 +34,60 @@
#define STORE(n, type) \ #define STORE(n, type) \
\ \
void __atomic_store_ ## n (volatile void *ptr, \ void __atomic_store_ ## n (FAR volatile void *ptr, \
type value, \ type value, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
\ \
*(type *)ptr = value; \ *(FAR type *)ptr = value; \
\ \
spin_unlock_irqrestore(NULL, irqstate); \ spin_unlock_irqrestore(NULL, irqstate); \
} }
#define LOAD(n, type) \ #define LOAD(n, type) \
\ \
type __atomic_load_ ## n (const volatile void *ptr, \ type __atomic_load_ ## n (FAR const volatile void *ptr, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
\ \
type ret = *(type *)ptr; \ type ret = *(FAR type *)ptr; \
\ \
spin_unlock_irqrestore(NULL, irqstate); \ spin_unlock_irqrestore(NULL, irqstate); \
return ret; \ return ret; \
} }
#define EXCHANGE(n, type) \ #define EXCHANGE(n, type) \
\ \
type __atomic_exchange_ ## n (volatile void *ptr, \ type __atomic_exchange_ ## n (FAR volatile void *ptr, \
type value, \ type value, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
type ret = *tmp; \ type ret = *tmp; \
*tmp = value; \ *tmp = value; \
\ \
spin_unlock_irqrestore(NULL, irqstate); \ spin_unlock_irqrestore(NULL, irqstate); \
return ret; \ return ret; \
} }
#define CMP_EXCHANGE(n, type) \ #define CMP_EXCHANGE(n, type) \
\ \
bool __atomic_compare_exchange_ ## n (volatile void *mem,\ bool __atomic_compare_exchange_ ## n ( \
void *expect, \ FAR volatile void *mem, \
type desired, \ FAR void *expect, \
bool weak, \ type desired, \
int success, \ bool weak, \
int failure) \ int success, \
int failure) \
{ \ { \
bool ret = false; \ bool ret = false; \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmpmem = (type *)mem; \ FAR type *tmpmem = (FAR type *)mem; \
type *tmpexp = (type *)expect; \ FAR type *tmpexp = (FAR type *)expect; \
\ \
if (*tmpmem == *tmpexp) \ if (*tmpmem == *tmpexp) \
{ \ { \
@@ -99,17 +100,17 @@
} \ } \
\ \
spin_unlock_irqrestore(NULL, irqstate); \ spin_unlock_irqrestore(NULL, irqstate); \
return ret; \ return ret; \
} }
#define FETCH_ADD(n, type) \ #define FETCH_ADD(n, type) \
\ \
type __atomic_fetch_add_ ## n (volatile void *ptr, \ type __atomic_fetch_add_ ## n (FAR volatile void *ptr, \
type value, \ type value, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
type ret = *tmp; \ type ret = *tmp; \
\ \
*tmp = *tmp + value; \ *tmp = *tmp + value; \
@@ -120,12 +121,12 @@
#define FETCH_SUB(n, type) \ #define FETCH_SUB(n, type) \
\ \
type __atomic_fetch_sub_ ## n (volatile void *ptr, \ type __atomic_fetch_sub_ ## n (FAR volatile void *ptr, \
type value, \ type value, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
type ret = *tmp; \ type ret = *tmp; \
\ \
*tmp = *tmp - value; \ *tmp = *tmp - value; \
@@ -136,12 +137,12 @@
#define FETCH_AND(n, type) \ #define FETCH_AND(n, type) \
\ \
type __atomic_fetch_and_ ## n (volatile void *ptr, \ type __atomic_fetch_and_ ## n (FAR volatile void *ptr, \
type value, \ type value, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
type ret = *tmp; \ type ret = *tmp; \
\ \
*tmp = *tmp & value; \ *tmp = *tmp & value; \
@@ -152,12 +153,12 @@
#define FETCH_OR(n, type) \ #define FETCH_OR(n, type) \
\ \
type __atomic_fetch_or_ ## n (volatile void *ptr, \ type __atomic_fetch_or_ ## n (FAR volatile void *ptr, \
type value, \ type value, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
type ret = *tmp; \ type ret = *tmp; \
\ \
*tmp = *tmp | value; \ *tmp = *tmp | value; \
@@ -168,12 +169,12 @@
#define FETCH_XOR(n, type) \ #define FETCH_XOR(n, type) \
\ \
type __atomic_fetch_xor_ ## n (volatile void *ptr, \ type __atomic_fetch_xor_ ## n (FAR volatile void *ptr, \
type value, \ type value, \
int memorder) \ int memorder) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
type ret = *tmp; \ type ret = *tmp; \
\ \
*tmp = *tmp ^ value; \ *tmp = *tmp ^ value; \
@@ -184,11 +185,12 @@
#define SYNC_ADD_FETCH(n, type) \ #define SYNC_ADD_FETCH(n, type) \
\ \
type __sync_add_and_fetch_ ## n (volatile void *ptr, \ type __sync_add_and_fetch_ ## n ( \
type value) \ FAR volatile void *ptr, \
type value) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
*tmp = *tmp + value; \ *tmp = *tmp + value; \
\ \
@@ -198,11 +200,12 @@
#define SYNC_SUB_FETCH(n, type) \ #define SYNC_SUB_FETCH(n, type) \
\ \
type __sync_sub_and_fetch_ ## n (volatile void *ptr, \ type __sync_sub_and_fetch_ ## n ( \
type value) \ FAR volatile void *ptr, \
type value) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
*tmp = *tmp - value; \ *tmp = *tmp - value; \
\ \
@@ -212,11 +215,12 @@
#define SYNC_OR_FETCH(n, type) \ #define SYNC_OR_FETCH(n, type) \
\ \
type __sync_or_and_fetch_ ## n (volatile void *ptr, \ type __sync_or_and_fetch_ ## n ( \
type value) \ FAR volatile void *ptr, \
type value) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
*tmp = *tmp | value; \ *tmp = *tmp | value; \
\ \
@@ -226,11 +230,12 @@
#define SYNC_AND_FETCH(n, type) \ #define SYNC_AND_FETCH(n, type) \
\ \
type __sync_and_and_fetch_ ## n (volatile void *ptr, \ type __sync_and_and_fetch_ ## n ( \
type value) \ FAR volatile void *ptr, \
type value) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
*tmp = *tmp & value; \ *tmp = *tmp & value; \
\ \
@@ -240,11 +245,12 @@
#define SYNC_XOR_FETCH(n, type) \ #define SYNC_XOR_FETCH(n, type) \
\ \
type __sync_xor_and_fetch_ ## n (volatile void *ptr, \ type __sync_xor_and_fetch_ ## n ( \
type value) \ FAR volatile void *ptr, \
type value) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
*tmp = *tmp ^ value; \ *tmp = *tmp ^ value; \
\ \
@@ -254,11 +260,12 @@
#define SYNC_NAND_FETCH(n, type) \ #define SYNC_NAND_FETCH(n, type) \
\ \
type __sync_nand_and_fetch_ ## n (volatile void *ptr, \ type __sync_nand_and_fetch_ ## n ( \
type value) \ FAR volatile void *ptr, \
type value) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
*tmp = ~(*tmp & value); \ *tmp = ~(*tmp & value); \
\ \
@@ -269,13 +276,13 @@
#define SYNC_BOOL_CMP_SWAP(n, type) \ #define SYNC_BOOL_CMP_SWAP(n, type) \
\ \
bool __sync_bool_compare_and_swap_ ## n ( \ bool __sync_bool_compare_and_swap_ ## n ( \
volatile void *ptr, \ FAR volatile void *ptr, \
type oldvalue, \ type oldvalue, \
type newvalue) \ type newvalue) \
{ \ { \
bool ret = false; \ bool ret = false; \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
\ \
if (*tmp == oldvalue) \ if (*tmp == oldvalue) \
{ \ { \
@@ -290,12 +297,12 @@
#define SYNC_VAL_CMP_SWAP(n, type) \ #define SYNC_VAL_CMP_SWAP(n, type) \
\ \
type __sync_val_compare_and_swap_ ## n ( \ type __sync_val_compare_and_swap_ ## n ( \
volatile void *ptr, \ FAR volatile void *ptr, \
type oldvalue, \ type oldvalue, \
type newvalue) \ type newvalue) \
{ \ { \
irqstate_t irqstate = spin_lock_irqsave(NULL); \ irqstate_t irqstate = spin_lock_irqsave(NULL); \
type *tmp = (type *)ptr; \ FAR type *tmp = (FAR type *)ptr; \
type ret = *tmp; \ type ret = *tmp; \
\ \
if (*tmp == oldvalue) \ if (*tmp == oldvalue) \