commit 4486d5866e231c6bdb1993d08be67e6c029910c8
author Sumit Garg <sumit.garg@linaro.org> Thu Jul 04 12:41:52 2019 +0530
committer Jérôme Forissier <jerome.forissier@linaro.org> Tue Aug 13 08:45:12 2019 +0200
tree 45456185aadac49c48b3b198f91fda3f2e61c23c
parent edaf8c38f534497a65a460f0348a81d3e26b3518

libutee: add headers for user-space to access sysregs

User space may require to access system registers like generic timer
registers in case function tracing is enabled etc. So provide headers
for user space to access sysregs.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

scripts/arm32_sysreg.py

diff --git a/scripts/arm32_sysreg.py b/scripts/arm32_sysreg.py
index bd0c619..0852471 100755
--- a/scripts/arm32_sysreg.py
+++ b/scripts/arm32_sysreg.py
@@ -69,7 +69,7 @@
     print('')
     if len(descr):
         print('/* ' + descr + ' */')
-    print('static inline uint64_t read_' + reg_name.lower() + '(void)')
+    print('static inline __noprof uint64_t read_' + reg_name.lower() + '(void)')
     print('{')
     print('\tuint64_t v;')
     print('')
@@ -84,7 +84,8 @@
     print('')
     if len(descr):
         print('/* ' + descr + ' */')
-    print('static inline void write_' + reg_name.lower() + '(uint64_t v)')
+    print('static inline __noprof void write_' + reg_name.lower() +
+          '(uint64_t v)')
     print('{')
     print('\tasm volatile ("mcrr p15, ' + opc1 + ', %Q0, %R0, ' +
           crm + '"' + ' : : "r"  (v));')
@@ -95,7 +96,7 @@
     print('')
     if len(descr):
         print('/* ' + descr + ' */')
-    print('static inline uint32_t read_' + reg_name.lower() + '(void)')
+    print('static inline __noprof uint32_t read_' + reg_name.lower() + '(void)')
     print('{')
     print('\tuint32_t v;')
     print('')
@@ -110,7 +111,8 @@
     print('')
     if len(descr):
         print('/* ' + descr + ' */')
-    print('static inline void write_' + reg_name.lower() + '(uint32_t v)')
+    print('static inline __noprof void write_' + reg_name.lower() +
+          '(uint32_t v)')
     print('{')
     print('\tasm volatile ("mcr p15, ' + opc1 + ', %0, ' + crn + ', ' +
           crm + ', ' + opc2 + '"' + ' : : "r"  (v));')
@@ -225,6 +227,7 @@
         if args.guard is not None:
             print('#ifndef ' + args.guard.upper().replace('.', '_'))
             print('#define ' + args.guard.upper().replace('.', '_'))
+        print('#include <compiler.h>')
 
     line_number = 0
     for line in sys.stdin: