Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix SoC CPU crash on minimal variants on call to flush_cpu_dcache(). 

Generated soc.h says for example

but code tester for CONFIG_CPU_VARIANT_MIN not MINIMAL.
Attempted to run instruction unknown to this CPU, most likely cause of hang.
This commit is contained in:
Stephane Gourichon 2020-10-05 17:16:35 +02:00
parent a9234a8793
commit 48638f936b
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
litex/soc/cores/cpu/vexriscv/system.h
View File

@ -11,7 +11,7 @@ extern "C" {
__attribute__((unused)) static void flush_cpu_icache(void) __attribute__((unused)) static void flush_cpu_icache(void)
{ {
#if defined(CONFIG_CPU_VARIANT_MIN) #if defined(CONFIG_CPU_VARIANT_MINIMAL)
/* No instruction cache */ /* No instruction cache */
#else #else
asm volatile( asm volatile(
@ -27,7 +27,7 @@ __attribute__((unused)) static void flush_cpu_icache(void)
__attribute__((unused)) static void flush_cpu_dcache(void) __attribute__((unused)) static void flush_cpu_dcache(void)
{ {
#if defined(CONFIG_CPU_VARIANT_MIN) || defined(CONFIG_CPU_VARIANT_LITE) #if defined(CONFIG_CPU_VARIANT_MINIMAL) || defined(CONFIG_CPU_VARIANT_LITE)
/* No data cache */ /* No data cache */
#else #else
asm volatile(".word(0x500F)\n"); asm volatile(".word(0x500F)\n");