github-mirrors/ibex
1
0
Fork 0
mirror of https://github.com/lowRISC/ibex.git synced 2025-04-20 11:57:12 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add icache_enable function to simple_system_common.h

Browse source
This commit is contained in:
Greg Chadwick 2023-09-13 13:42:47 +01:00
parent 4f96e5446b
commit 2de873c9bb
1 changed files with 17 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

17
examples/sw/simple_system/common/simple_system_common.h
View file

@ -95,4 +95,21 @@ void timer_disable(void);
*/
uint64_t get_elapsed_time(void);
/**
* Enables/disables the instruction cache. This has no effect on Ibex
* configurations that do not have an instruction cache and in particular is
* safe to execute on those configurations.
*
* @param enable if non-zero enables, otherwise disables
*/
static inline void icache_enable(int enable) {
if (enable) {
// Set icache enable bit in CPUCTRLSTS
asm volatile("csrs 0x7c0, 1");
} else {
// Clear icache enable bit in CPUCTRLSTS
asm volatile("csrc 0x7c0, 1");
}
}
#endif