diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-06-27 08:37:34 +0200 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-06-29 10:04:37 +0200 |
commit | a49a3c8eed0663bfc4de8b854dcede1573daf246 (patch) | |
tree | ed74263e0830553a7a7f181f3f42a32423befaff /cpukit/score/cpu/riscv/riscv-context-initialize.c | |
parent | riscv: Fix CPU_STACK_ALIGNMENT (diff) | |
download | rtems-a49a3c8eed0663bfc4de8b854dcede1573daf246.tar.bz2 |
riscv: Do not clear thread context
Do not clear the complete thread context. Initialize only the necessary
members. The Context_Control::is_executing member must be preserved
across _CPU_Context_Initialize() calls.
Update #3433.
Diffstat (limited to 'cpukit/score/cpu/riscv/riscv-context-initialize.c')
-rw-r--r-- | cpukit/score/cpu/riscv/riscv-context-initialize.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/cpukit/score/cpu/riscv/riscv-context-initialize.c b/cpukit/score/cpu/riscv/riscv-context-initialize.c index 619c691f53..f558fbd591 100644 --- a/cpukit/score/cpu/riscv/riscv-context-initialize.c +++ b/cpukit/score/cpu/riscv/riscv-context-initialize.c @@ -32,11 +32,8 @@ #include "config.h" #endif -#include <string.h> - #include <rtems/score/cpu.h> #include <rtems/score/riscv-utility.h> -#include <rtems/score/interr.h> void _CPU_Context_Initialize( Context_Control *context, @@ -52,8 +49,6 @@ void _CPU_Context_Initialize( uintptr_t stack_high = stack + stack_area_size; - memset(context, 0, sizeof(*context)); - /* Stack Pointer - sp/x2 */ context->x[2] = stack_high; /* Frame Pointer - fp/x8 */ @@ -61,6 +56,8 @@ void _CPU_Context_Initialize( /* Return Address - ra/x1 */ context->x[1] = (uintptr_t) entry_point; + context->isr_dispatch_disable = 0; + /* Enable interrupts and FP */ context->mstatus = MSTATUS_FS | MSTATUS_MIE; } |