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Added MR #define place holders so that these are used instead of real register names

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This commit is contained in:
Bahadir Balban
2008-09-15 18:27:41 +03:00
parent 4d1b649465
commit 30de876a6c
4 changed files with 12 additions and 8 deletions
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4
tasks/libl4/src/arm/exregs.c
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@@ -12,7 +12,7 @@
void exregs_set_mr(struct exregs_data *s, int offset, unsigned long val)
{
/* Get MR0 */
u32 *mr = &s->context.r3;
u32 *mr = &s->context.MR0_REGISTER;
/* Sanity check */
BUG_ON(offset > MR_TOTAL || offset < 0);
@@ -21,7 +21,7 @@ void exregs_set_mr(struct exregs_data *s, int offset, unsigned long val)
mr[offset] = val;
/* Set valid bit for mr register */
s->valid_vect |= FIELD_TO_BIT(exregs_context_t, r3) << offset;
s->valid_vect |= FIELD_TO_BIT(exregs_context_t, MR0_REGISTER) << offset;
}
void exregs_set_pager(struct exregs_data *s, l4id_t pagerid)

9
tasks/libl4/src/arm/syscalls.S
View File

@@ -6,6 +6,8 @@
#include <l4lib/arch/asm.h>
#include <l4lib/arch/utcb.h>
#include <l4/generic/space.h>
#include <l4/macros.h>
#include INC_GLUE(message.h)
.macro utcb_address rx
ldr \rx, =utcb
@@ -43,10 +45,7 @@ END_PROC(l4_kread)
* For clone() we need special assembler handling
* Same signature as ipc(): @r0 = to, @r1 = from
*
* NOTE: MR_RETURN register is hardcoded here.
* It must be updated if MR_RETURN offset is changed!
*
* NOTE: Note that this also breaks l4 system call interface,
* NOTE: Note that this breaks l4 system call interface,
* this should be moved elsewhere and modified using existing l4 mechanisms.
*/
BEGIN_PROC(arch_clone)
@@ -65,7 +64,7 @@ BEGIN_PROC(arch_clone)
*/
cmp r0, #0 @ Check ipc success
blt ipc_failed
cmp r3, #0 @ Check ipc return register MR_RETURN.
cmp MR_RETURN_REGISTER, #0 @ Check ipc return register MR_RETURN.
blt clone_failed @ Ipc was ok but clone() failed.
bgt parent_return @ It has child pid, goto parent return.
child: