diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-07-14 09:58:54 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-07-14 10:02:09 +0200 |
| commit | 63506c41986c4af9d4fd6f3490e98e335f3dc8f5 (patch) | |
| tree | 6d817aedf37a004c12713a0b594387b9dadd59ea /include/asm-s390/processor.h | |
| parent | ae437a452ed20f9d13c1f17b0356201d54394efa (diff) | |
[S390] Introduce user_regset accessors for s390
Add the user_regset definitions for normal and compat processes, replace
the dump_regs core dump cruft with the generic CORE_DUMP_USER_REGSET and
replace binfmt_elf32.c with the generic compat_binfmt_elf.c implementation.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'include/asm-s390/processor.h')
| -rw-r--r-- | include/asm-s390/processor.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index a00f79dd323..5483c28b8bc 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -143,11 +143,19 @@ struct stack_frame { /* * Do necessary setup to start up a new thread. */ -#define start_thread(regs, new_psw, new_stackp) do { \ +#define start_thread(regs, new_psw, new_stackp) do { \ set_fs(USER_DS); \ regs->psw.mask = psw_user_bits; \ - regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ - regs->gprs[15] = new_stackp ; \ + regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ + regs->gprs[15] = new_stackp; \ +} while (0) + +#define start_thread31(regs, new_psw, new_stackp) do { \ + set_fs(USER_DS); \ + regs->psw.mask = psw_user32_bits; \ + regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ + regs->gprs[15] = new_stackp; \ + crst_table_downgrade(current->mm, 1UL << 31); \ } while (0) /* Forward declaration, a strange C thing */ |