sergiotarxz/nuttx
sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix stack addressing

Browse Source 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@33 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-03-02 23:34:42 +00:00
parent 58720009d9
commit b41f8cccc4
2 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
arch/pjrc-8051/src/up_restorecontext.c
View File

@ -134,9 +134,9 @@ static void up_popcontext(ubyte newsp) __naked
void up_restorecontext(FAR struct xcptcontext *context) void up_restorecontext(FAR struct xcptcontext *context)
{ {
int nbytes = context->nbytes; int nbytes = context->nbytes;
FAR ubyte *src = context->stack; FAR ubyte *src = context->stack;
FAR ubyte *dest = (FAR ubyte*)STACK_BASE; NEAR ubyte *dest = (NEAR ubyte*)STACK_BASE;
/* Interrupts should be disabled for the following. up_popcontext() will /* Interrupts should be disabled for the following. up_popcontext() will
* set the new interrupt state correctly. * set the new interrupt state correctly.
@ -179,9 +179,9 @@ void up_restorestack(FAR struct xcptcontext *context)
* context) from internal RAM to XRAM. * context) from internal RAM to XRAM.
*/ */
ubyte nbytes = context->nbytes; ubyte nbytes = context->nbytes;
FAR ubyte *src = context->stack; FAR ubyte *src = context->stack;
FAR ubyte *dest = (FAR ubyte*)STACK_BASE; NEAR ubyte *dest = (NEAR ubyte*)STACK_BASE;
while (nbytes--) while (nbytes--)
{ {

12
arch/pjrc-8051/src/up_savecontext.c
View File

@ -142,9 +142,9 @@ ubyte up_savecontext(FAR struct xcptcontext *context)
* context) from internal RAM to XRAM. * context) from internal RAM to XRAM.
*/ */
ubyte nbytes = sp - (STACK_BASE-1); ubyte nbytes = sp - (STACK_BASE-1);
FAR ubyte *src = (FAR ubyte*)STACK_BASE; NEAR ubyte *src = (NEAR ubyte*)STACK_BASE;
FAR ubyte *dest = context->stack; FAR ubyte *dest = context->stack;
/* Then copy the stack info into the context structure */ /* Then copy the stack info into the context structure */
@ -191,9 +191,9 @@ void up_savestack(FAR struct xcptcontext *context)
* context) from internal RAM to XRAM. * context) from internal RAM to XRAM.
*/ */
ubyte nbytes = g_irqtos - (STACK_BASE-1); ubyte nbytes = g_irqtos - (STACK_BASE-1);
FAR ubyte *src = (FAR ubyte*)STACK_BASE; NEAR ubyte *src = (NEAR ubyte*)STACK_BASE;
FAR ubyte *dest = context->stack; FAR ubyte *dest = context->stack;
context->nbytes = nbytes; context->nbytes = nbytes;
while (nbytes--) while (nbytes--)