[incubator-nuttx] branch master updated: arch: x86: Set the idle task stack to prevent get/set errno on idle task resulting NULL reference

[gnutt]

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gnutt pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new 9345cb5  arch: x86: Set the idle task stack to prevent get/set errno 
on idle task resulting NULL reference
9345cb5 is described below

commit 9345cb55534086a179221c38c7dfd143950a828c
Author: Yang Chung-Fan <sonic.tw...@gmail.com>
AuthorDate: Tue May 26 01:01:21 2020 +0900

    arch: x86: Set the idle task stack to prevent get/set errno on idle task 
resulting NULL reference
---
 arch/x86_64/src/common/up_initialize.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/x86_64/src/common/up_initialize.c 
b/arch/x86_64/src/common/up_initialize.c
index 61e2c3d..3e9dc67 100644
--- a/arch/x86_64/src/common/up_initialize.c
+++ b/arch/x86_64/src/common/up_initialize.c
@@ -43,6 +43,7 @@
 
 #include <arch/board/board.h>
 
+#include "sched/sched.h"
 #include "up_arch.h"
 #include "up_internal.h"
 
@@ -100,6 +101,12 @@ static void up_calibratedelay(void)
 
 void up_initialize(void)
 {
+  struct tcb_s *rtcb = this_task();
+
+  rtcb->adj_stack_size = CONFIG_IDLETHREAD_STACKSIZE;
+  rtcb->stack_alloc_ptr =
+    (void *)(g_idle_topstack - CONFIG_IDLETHREAD_STACKSIZE);
+
   /* Initialize global variables */
 
   g_current_regs = NULL;
@@ -119,8 +126,8 @@ void up_initialize(void)
 #endif
 
 #ifdef CONFIG_ARCH_DMA
-  /* Initialize the DMA subsystem if the weak function up_dma_initialize has 
been
-   * brought into the build
+  /* Initialize the DMA subsystem if the weak function up_dma_initialize
+   * has been brought into the build
    */
 
 #ifdef CONFIG_HAVE_WEAKFUNCTIONS