Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
830626ca
Commit
830626ca
authored
Dec 17, 2007
by
Paul Mundt
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
sh: Fix up switch_to() type casts.
Signed-off-by:
Paul Mundt
<
lethal@linux-sh.org
>
parent
9acb98fb
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
47 additions
and
47 deletions
+47
-47
include/asm-sh/system_32.h
include/asm-sh/system_32.h
+47
-47
No files found.
include/asm-sh/system_32.h
View file @
830626ca
...
...
@@ -9,53 +9,53 @@ struct task_struct *__switch_to(struct task_struct *prev,
/*
* switch_to() should switch tasks to task nr n, first
*/
#define switch_to(prev, next, last) \
do { \
register u32 *__ts1 __asm__ ("r1") = &prev->thread.sp; \
register u32 *__ts2 __asm__ ("r2") = &prev->thread.pc; \
register u32 *__ts4 __asm__ ("r4") = (u32 *)prev; \
register u32 *__ts5 __asm__ ("r5") = (u32 *)next; \
register u32 *__ts6 __asm__ ("r6") = &next->thread.sp; \
register u32 __ts7 __asm__ ("r7") = next->thread.pc; \
struct task_struct *__last; \
\
__asm__ __volatile__ ( \
".balign 4\n\t" \
"stc.l gbr, @-r15\n\t" \
"sts.l pr, @-r15\n\t" \
"mov.l r8, @-r15\n\t" \
"mov.l r9, @-r15\n\t" \
"mov.l r10, @-r15\n\t" \
"mov.l r11, @-r15\n\t" \
"mov.l r12, @-r15\n\t" \
"mov.l r13, @-r15\n\t" \
"mov.l r14, @-r15\n\t" \
"mov.l r15, @r1\t! save SP\n\t" \
"mov.l @r6, r15\t! change to new stack\n\t" \
"mova 1f, %0\n\t" \
"mov.l %0, @r2\t! save PC\n\t" \
"mov.l 2f, %0\n\t" \
"jmp @%0\t! call __switch_to\n\t" \
" lds r7, pr\t! with return to new PC\n\t" \
".balign 4\n" \
"2:\n\t" \
".long __switch_to\n" \
"1:\n\t" \
"mov.l @r15+, r14\n\t" \
"mov.l @r15+, r13\n\t" \
"mov.l @r15+, r12\n\t" \
"mov.l @r15+, r11\n\t" \
"mov.l @r15+, r10\n\t" \
"mov.l @r15+, r9\n\t" \
"mov.l @r15+, r8\n\t" \
"lds.l @r15+, pr\n\t" \
"ldc.l @r15+, gbr\n\t" \
: "=z" (__last) \
: "r" (__ts1), "r" (__ts2), "r" (__ts4), \
"r" (__ts5), "r" (__ts6), "r" (__ts7) \
: "r3", "t"); \
\
last = __last; \
#define switch_to(prev, next, last)
\
do {
\
register u32 *__ts1 __asm__ ("r1") =
(u32 *)
&prev->thread.sp; \
register u32 *__ts2 __asm__ ("r2") =
(u32 *)
&prev->thread.pc; \
register u32 *__ts4 __asm__ ("r4") = (u32 *)prev;
\
register u32 *__ts5 __asm__ ("r5") = (u32 *)next;
\
register u32 *__ts6 __asm__ ("r6") =
(u32 *)
&next->thread.sp; \
register u32 __ts7 __asm__ ("r7") = next->thread.pc;
\
struct task_struct *__last;
\
\
__asm__ __volatile__ (
\
".balign 4\n\t"
\
"stc.l gbr, @-r15\n\t"
\
"sts.l pr, @-r15\n\t"
\
"mov.l r8, @-r15\n\t"
\
"mov.l r9, @-r15\n\t"
\
"mov.l r10, @-r15\n\t"
\
"mov.l r11, @-r15\n\t"
\
"mov.l r12, @-r15\n\t"
\
"mov.l r13, @-r15\n\t"
\
"mov.l r14, @-r15\n\t"
\
"mov.l r15, @r1\t! save SP\n\t"
\
"mov.l @r6, r15\t! change to new stack\n\t"
\
"mova 1f, %0\n\t"
\
"mov.l %0, @r2\t! save PC\n\t"
\
"mov.l 2f, %0\n\t"
\
"jmp @%0\t! call __switch_to\n\t"
\
" lds r7, pr\t! with return to new PC\n\t"
\
".balign 4\n"
\
"2:\n\t"
\
".long __switch_to\n"
\
"1:\n\t"
\
"mov.l @r15+, r14\n\t"
\
"mov.l @r15+, r13\n\t"
\
"mov.l @r15+, r12\n\t"
\
"mov.l @r15+, r11\n\t"
\
"mov.l @r15+, r10\n\t"
\
"mov.l @r15+, r9\n\t"
\
"mov.l @r15+, r8\n\t"
\
"lds.l @r15+, pr\n\t"
\
"ldc.l @r15+, gbr\n\t"
\
: "=z" (__last)
\
: "r" (__ts1), "r" (__ts2), "r" (__ts4),
\
"r" (__ts5), "r" (__ts6), "r" (__ts7)
\
: "r3", "t");
\
\
last = __last;
\
} while (0)
#define __uses_jump_to_uncached __attribute__ ((__section__ (".uncached.text")))
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment