ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add cache cleaning codes for Cortex-A 

if m_thunk is on data caches, the codes will not be executed.
pull/1626/head
mtkrtk 2016-03-31 21:54:32 +09:00
parent fd02430291
commit 2586a691ed
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
libraries/mbed/api/CThunk.h
View File

@ -194,6 +194,18 @@ class CThunk
m_thunk.callback = (uint32_t)&m_callback;
m_thunk.trampoline = (uint32_t)&trampoline;
#if defined(__CORTEX_A9)
/* Data cache clean */
{
uint32_t start_addr = (uint32_t)&m_thunk & 0xFFFFFFE0;
uint32_t end_addr = ((uint32_t)&m_thunk + sizeof(m_thunk));
uint32_t addr;
for (addr = start_addr; addr < end_addr; addr += 0x20) {
__v7_clean_dcache_mva((void *)addr);
}
}
#endif
__ISB();
__DSB();
}