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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc: Fix debugger syscall restart interactions.
  sparc: Fix ptrace() detach.
  sparc32: Don't twiddle PT_DTRACE in exec.
  sparc video: remove open boot prom code
This commit is contained in:
Linus Torvalds 2008-05-11 09:55:48 -07:00
commit 854a989546
30 changed files with 150 additions and 160 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/kernel/entry.S
View File

@ -1306,6 +1306,8 @@ ret_from_fork:
.align 4
.globl linux_sparc_syscall
linux_sparc_syscall:
sethi %hi(PSR_SYSCALL), %l4
or %l0, %l4, %l0
/* Direct access to user regs, must faster. */
cmp %g1, NR_SYSCALLS
bgeu linux_sparc_ni_syscall

5
arch/sparc/kernel/process.c
View File

@ -638,11 +638,6 @@ asmlinkage int sparc_execve(struct pt_regs *regs)
(char __user * __user *)regs->u_regs[base + UREG_I2],
regs);
putname(filename);
if (error == 0) {
task_lock(current);
current->ptrace &= ~PT_DTRACE;
task_unlock(current);
}
out:
return error;
}

6
arch/sparc/kernel/ptrace.c
View File

@ -170,8 +170,8 @@ static int genregs32_set(struct task_struct *target,
switch (pos) {
case 32: /* PSR */
psr = regs->psr;
psr &= ~PSR_ICC;
psr |= (reg & PSR_ICC);
psr &= ~(PSR_ICC | PSR_SYSCALL);
psr |= (reg & (PSR_ICC | PSR_SYSCALL));
regs->psr = psr;
break;
case 33: /* PC */
@ -441,6 +441,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
default:
if (request == PTRACE_SPARC_DETACH)
request = PTRACE_DETACH;
ret = ptrace_request(child, request, addr, data);
break;
}

11
arch/sparc/kernel/rtrap.S
View File

@ -50,8 +50,9 @@ rtrap_7win_patch5: and %g1, 0x7f, %g1
ret_trap_entry:
ret_trap_lockless_ipi:
andcc %t_psr, PSR_PS, %g0
sethi %hi(PSR_SYSCALL), %g1
be 1f
nop
andn %t_psr, %g1, %t_psr
wr %t_psr, 0x0, %psr
b ret_trap_kernel
@ -73,7 +74,6 @@ signal_p:
ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
mov %l5, %o1
mov %l6, %o2
call do_signal
add %sp, STACKFRAME_SZ, %o0 ! pt_regs ptr
@ -81,6 +81,8 @@ signal_p:
ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
clr %l6
ret_trap_continue:
sethi %hi(PSR_SYSCALL), %g1
andn %t_psr, %g1, %t_psr
wr %t_psr, 0x0, %psr
WRITE_PAUSE
@ -137,8 +139,9 @@ ret_trap_userwins_ok:
LOAD_PT_PRIV(sp, t_psr, t_pc, t_npc)
or %t_pc, %t_npc, %g2
andcc %g2, 0x3, %g0
sethi %hi(PSR_SYCALL), %g2
be 1f
nop
andn %t_psr, %g2, %t_psr
b ret_trap_unaligned_pc
add %sp, STACKFRAME_SZ, %o0
@ -201,6 +204,8 @@ rtrap_patch5: and %g1, 0xff, %g1
1:
LOAD_PT_ALL(sp, t_psr, t_pc, t_npc, g1)
2:
sethi %hi(PSR_SYSCALL), %twin_tmp1
andn %t_psr, %twin_tmp1, %t_psr
wr %t_psr, 0x0, %psr
WRITE_PAUSE

64
arch/sparc/kernel/signal.c
View File

@ -145,6 +145,9 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
regs->psr = (up_psr & ~(PSR_ICC | PSR_EF))
| (regs->psr & (PSR_ICC | PSR_EF));
/* Prevent syscall restart. */
pt_regs_clear_syscall(regs);
err |= __get_user(fpu_save, &sf->fpu_save);
if (fpu_save)
@ -199,6 +202,9 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
regs->psr = (regs->psr & ~PSR_ICC) | (psr & PSR_ICC);
/* Prevent syscall restart. */
pt_regs_clear_syscall(regs);
err |= __get_user(fpu_save, &sf->fpu_save);
if (fpu_save)
@ -507,26 +513,36 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
* want to handle. Thus you cannot kill init even with a SIGKILL even by
* mistake.
*/
asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int restart_syscall)
asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0)
{
siginfo_t info;
struct sparc_deliver_cookie cookie;
struct k_sigaction ka;
int signr;
int restart_syscall;
sigset_t *oldset;
siginfo_t info;
int signr;
cookie.restart_syscall = restart_syscall;
cookie.orig_i0 = orig_i0;
if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
restart_syscall = 1;
else
restart_syscall = 0;
if (test_thread_flag(TIF_RESTORE_SIGMASK))
oldset = &current->saved_sigmask;
else
oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, &cookie);
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
/* If the debugger messes with the program counter, it clears
* the software "in syscall" bit, directing us to not perform
* a syscall restart.
*/
if (restart_syscall && !pt_regs_is_syscall(regs))
restart_syscall = 0;
if (signr > 0) {
if (cookie.restart_syscall)
syscall_restart(cookie.orig_i0, regs, &ka.sa);
if (restart_syscall)
syscall_restart(orig_i0, regs, &ka.sa);
handle_signal(signr, &ka, &info, oldset, regs);
/* a signal was successfully delivered; the saved
@ -538,16 +554,16 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int rest
clear_thread_flag(TIF_RESTORE_SIGMASK);
return;
}
if (cookie.restart_syscall &&
if (restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->u_regs[UREG_I0] == ERESTARTSYS ||
regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
/* replay the system call when we are done */
regs->u_regs[UREG_I0] = cookie.orig_i0;
regs->u_regs[UREG_I0] = orig_i0;
regs->pc -= 4;
regs->npc -= 4;
}
if (cookie.restart_syscall &&
if (restart_syscall &&
regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
regs->u_regs[UREG_G1] = __NR_restart_syscall;
regs->pc -= 4;
@ -599,27 +615,3 @@ do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
out:
return ret;
}
void ptrace_signal_deliver(struct pt_regs *regs, void *cookie)
{
struct sparc_deliver_cookie *cp = cookie;
if (cp->restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->u_regs[UREG_I0] == ERESTARTSYS ||
regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
/* replay the system call when we are done */
regs->u_regs[UREG_I0] = cp->orig_i0;
regs->pc -= 4;
regs->npc -= 4;
cp->restart_syscall = 0;
}
if (cp->restart_syscall &&
regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
regs->u_regs[UREG_G1] = __NR_restart_syscall;
regs->pc -= 4;
regs->npc -= 4;
cp->restart_syscall = 0;
}
}

7
arch/sparc64/kernel/etrap.S
View File

@ -27,11 +27,12 @@
.text
.align 64
.globl etrap, etrap_irq, etraptl1
.globl etrap_syscall, etrap, etrap_irq, etraptl1
etrap: rdpr %pil, %g2
etrap_irq:
TRAP_LOAD_THREAD_REG(%g6, %g1)
etrap_irq: clr %g3
etrap_syscall: TRAP_LOAD_THREAD_REG(%g6, %g1)
rdpr %tstate, %g1
or %g1, %g3, %g1
sllx %g2, 20, %g3
andcc %g1, TSTATE_PRIV, %g0
or %g1, %g3, %g1

16
arch/sparc64/kernel/ptrace.c
View File

@ -287,11 +287,11 @@ static int genregs64_set(struct task_struct *target,
32 * sizeof(u64),
33 * sizeof(u64));
if (!ret) {
/* Only the condition codes can be modified
* in the %tstate register.
/* Only the condition codes and the "in syscall"
* state can be modified in the %tstate register.
*/
tstate &= (TSTATE_ICC | TSTATE_XCC);
regs->tstate &= ~(TSTATE_ICC | TSTATE_XCC);
tstate &= (TSTATE_ICC | TSTATE_XCC | TSTATE_SYSCALL);
regs->tstate &= ~(TSTATE_ICC | TSTATE_XCC | TSTATE_SYSCALL);
regs->tstate |= tstate;
}
}
@ -657,8 +657,10 @@ static int genregs32_set(struct task_struct *target,
switch (pos) {
case 32: /* PSR */
tstate = regs->tstate;
tstate &= ~(TSTATE_ICC | TSTATE_XCC);
tstate &= ~(TSTATE_ICC | TSTATE_XCC | TSTATE_SYSCALL);
tstate |= psr_to_tstate_icc(reg);
if (reg & PSR_SYSCALL)
tstate |= TSTATE_SYSCALL;
regs->tstate = tstate;
break;
case 33: /* PC */
@ -944,6 +946,8 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
break;
default:
if (request == PTRACE_SPARC_DETACH)
request = PTRACE_DETACH;
ret = compat_ptrace_request(child, request, addr, data);
break;
}
@ -1036,6 +1040,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
default:
if (request == PTRACE_SPARC_DETACH)
request = PTRACE_DETACH;
ret = ptrace_request(child, request, addr, data);
break;
}

1
arch/sparc64/kernel/rtrap.S
View File

@ -257,6 +257,7 @@ rt_continue: ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1
wr %o3, %g0, %y
wrpr %l4, 0x0, %pil
wrpr %g0, 0x1, %tl
andn %l1, TSTATE_SYSCALL, %l1
wrpr %l1, %g0, %tstate
wrpr %l2, %g0, %tpc
wrpr %o2, %g0, %tnpc

60
arch/sparc64/kernel/signal.c
View File

@ -333,7 +333,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
regs->tnpc = tnpc;
/* Prevent syscall restart. */
pt_regs_clear_trap_type(regs);
pt_regs_clear_syscall(regs);
sigdelsetmask(&set, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
@ -499,7 +499,7 @@ static inline void handle_signal(unsigned long signr, struct k_sigaction *ka,
}
static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
struct sigaction *sa)
struct sigaction *sa)
{
switch (regs->u_regs[UREG_I0]) {
case ERESTART_RESTARTBLOCK:
@ -525,19 +525,17 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
*/
static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
{
struct signal_deliver_cookie cookie;
struct k_sigaction ka;
int restart_syscall;
sigset_t *oldset;
siginfo_t info;
int signr;
if (pt_regs_is_syscall(regs) &&
(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
pt_regs_clear_trap_type(regs);
cookie.restart_syscall = 1;
restart_syscall = 1;
} else
cookie.restart_syscall = 0;
cookie.orig_i0 = orig_i0;
restart_syscall = 0;
if (test_thread_flag(TIF_RESTORE_SIGMASK))
oldset = &current->saved_sigmask;
@ -547,16 +545,25 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
#ifdef CONFIG_COMPAT
if (test_thread_flag(TIF_32BIT)) {
extern void do_signal32(sigset_t *, struct pt_regs *,
struct signal_deliver_cookie *);
do_signal32(oldset, regs, &cookie);
int restart_syscall,
unsigned long orig_i0);
do_signal32(oldset, regs, restart_syscall, orig_i0);
return;
}
#endif
signr = get_signal_to_deliver(&info, &ka, regs, &cookie);
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
/* If the debugger messes with the program counter, it clears
* the software "in syscall" bit, directing us to not perform
* a syscall restart.
*/
if (restart_syscall && !pt_regs_is_syscall(regs))
restart_syscall = 0;
if (signr > 0) {
if (cookie.restart_syscall)
syscall_restart(cookie.orig_i0, regs, &ka.sa);
if (restart_syscall)
syscall_restart(orig_i0, regs, &ka.sa);
handle_signal(signr, &ka, &info, oldset, regs);
/* a signal was successfully delivered; the saved
@ -568,16 +575,16 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
clear_thread_flag(TIF_RESTORE_SIGMASK);
return;
}
if (cookie.restart_syscall &&
if (restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->u_regs[UREG_I0] == ERESTARTSYS ||
regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
/* replay the system call when we are done */
regs->u_regs[UREG_I0] = cookie.orig_i0;
regs->u_regs[UREG_I0] = orig_i0;
regs->tpc -= 4;
regs->tnpc -= 4;
}
if (cookie.restart_syscall &&
if (restart_syscall &&
regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
regs->u_regs[UREG_G1] = __NR_restart_syscall;
regs->tpc -= 4;
@ -598,26 +605,3 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long
if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
do_signal(regs, orig_i0);
}
void ptrace_signal_deliver(struct pt_regs *regs, void *cookie)
{
struct signal_deliver_cookie *cp = cookie;
if (cp->restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->u_regs[UREG_I0] == ERESTARTSYS ||
regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
/* replay the system call when we are done */
regs->u_regs[UREG_I0] = cp->orig_i0;
regs->tpc -= 4;
regs->tnpc -= 4;
cp->restart_syscall = 0;
}
if (cp->restart_syscall &&
regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
regs->u_regs[UREG_G1] = __NR_restart_syscall;
regs->tpc -= 4;
regs->tnpc -= 4;
cp->restart_syscall = 0;
}
}

26
arch/sparc64/kernel/signal32.c
View File

@ -269,7 +269,7 @@ void do_sigreturn32(struct pt_regs *regs)
regs->tstate |= psr_to_tstate_icc(psr);
/* Prevent syscall restart. */
pt_regs_clear_trap_type(regs);
pt_regs_clear_syscall(regs);
err |= __get_user(fpu_save, &sf->fpu_save);
if (fpu_save)
@ -355,7 +355,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
regs->tstate |= psr_to_tstate_icc(psr);
/* Prevent syscall restart. */
pt_regs_clear_trap_type(regs);
pt_regs_clear_syscall(regs);
err |= __get_user(fpu_save, &sf->fpu_save);
if (fpu_save)
@ -768,16 +768,24 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs
* mistake.
*/
void do_signal32(sigset_t *oldset, struct pt_regs * regs,
struct signal_deliver_cookie *cookie)
int restart_syscall, unsigned long orig_i0)
{
struct k_sigaction ka;
siginfo_t info;
int signr;
signr = get_signal_to_deliver(&info, &ka, regs, cookie);
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
/* If the debugger messes with the program counter, it clears
* the "in syscall" bit, directing us to not perform a syscall
* restart.
*/
if (restart_syscall && !pt_regs_is_syscall(regs))
restart_syscall = 0;
if (signr > 0) {
if (cookie->restart_syscall)
syscall_restart32(cookie->orig_i0, regs, &ka.sa);
if (restart_syscall)
syscall_restart32(orig_i0, regs, &ka.sa);
handle_signal32(signr, &ka, &info, oldset, regs);
/* a signal was successfully delivered; the saved
@ -789,16 +797,16 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
clear_thread_flag(TIF_RESTORE_SIGMASK);
return;
}
if (cookie->restart_syscall &&
if (restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->u_regs[UREG_I0] == ERESTARTSYS ||
regs->u_regs[UREG_I0] == ERESTARTNOINTR)) {
/* replay the system call when we are done */
regs->u_regs[UREG_I0] = cookie->orig_i0;
regs->u_regs[UREG_I0] = orig_i0;
regs->tpc -= 4;
regs->tnpc -= 4;
}
if (cookie->restart_syscall &&
if (restart_syscall &&
regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
regs->u_regs[UREG_G1] = __NR_restart_syscall;
regs->tpc -= 4;

6
drivers/video/bw2.c
View File

@ -17,11 +17,9 @@
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -299,7 +297,7 @@ static int __devinit bw2_probe(struct of_device *op, const struct of_device_id *
par->physbase = op->resource[0].start;
par->which_io = op->resource[0].flags & IORESOURCE_BITS;
sbusfb_fill_var(&info->var, dp->node, 1);
sbusfb_fill_var(&info->var, dp, 1);
linebytes = of_getintprop_default(dp, "linebytes",
info->var.xres);

5
drivers/video/cg14.c
View File

@ -17,10 +17,9 @@
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/uaccess.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -482,7 +481,7 @@ static int __devinit cg14_probe(struct of_device *op, const struct of_device_id
spin_lock_init(&par->lock);
sbusfb_fill_var(&info->var, dp->node, 8);
sbusfb_fill_var(&info->var, dp, 8);
info->var.red.length = 8;
info->var.green.length = 8;
info->var.blue.length = 8;

6
drivers/video/cg3.c
View File

@ -17,11 +17,9 @@
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/oplib.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -373,7 +371,7 @@ static int __devinit cg3_probe(struct of_device *op,
par->physbase = op->resource[0].start;
par->which_io = op->resource[0].flags & IORESOURCE_BITS;
sbusfb_fill_var(&info->var, dp->node, 8);
sbusfb_fill_var(&info->var, dp, 8);
info->var.red.length = 8;
info->var.green.length = 8;
info->var.blue.length = 8;

4
drivers/video/cg6.c
View File

@ -17,9 +17,9 @@
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -728,7 +728,7 @@ static int __devinit cg6_probe(struct of_device *op,
par->physbase = op->resource[0].start;
par->which_io = op->resource[0].flags & IORESOURCE_BITS;
sbusfb_fill_var(&info->var, dp->node, 8);
sbusfb_fill_var(&info->var, dp, 8);
info->var.red.length = 8;
info->var.green.length = 8;
info->var.blue.length = 8;

5
drivers/video/ffb.c
View File

@ -16,11 +16,10 @@
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/timer.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/upa.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -941,7 +940,7 @@ static int __devinit ffb_probe(struct of_device *op,
info->screen_base = (char *) par->physbase + FFB_DFB24_POFF;
info->pseudo_palette = par->pseudo_palette;
sbusfb_fill_var(&info->var, dp->node, 32);
sbusfb_fill_var(&info->var, dp, 32);
par->fbsize = PAGE_ALIGN(info->var.xres * info->var.yres * 4);
ffb_fixup_var_rgb(&info->var);

5
drivers/video/leo.c
View File

@ -16,10 +16,9 @@
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -562,7 +561,7 @@ static int __devinit leo_probe(struct of_device *op, const struct of_device_id *
par->physbase = op->resource[0].start;
par->which_io = op->resource[0].flags & IORESOURCE_BITS;
sbusfb_fill_var(&info->var, dp->node, 32);
sbusfb_fill_var(&info->var, dp, 32);
leo_fixup_var_rgb(&info->var);
linebytes = of_getintprop_default(dp, "linebytes",

5
drivers/video/p9100.c
View File

@ -15,10 +15,9 @@
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -275,7 +274,7 @@ static int __devinit p9100_probe(struct of_device *op, const struct of_device_id
par->physbase = op->resource[2].start;
par->which_io = op->resource[2].flags & IORESOURCE_BITS;
sbusfb_fill_var(&info->var, dp->node, 8);
sbusfb_fill_var(&info->var, dp, 8);
info->var.red.length = 8;
info->var.green.length = 8;
info->var.blue.length = 8;

9
drivers/video/sbuslib.c
View File

@ -10,18 +10,19 @@
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/uaccess.h>
#include <linux/of_device.h>
#include <asm/oplib.h>
#include <asm/fbio.h>
#include "sbuslib.h"
void sbusfb_fill_var(struct fb_var_screeninfo *var, int prom_node, int bpp)
void sbusfb_fill_var(struct fb_var_screeninfo *var, struct device_node *dp,
int bpp)
{
memset(var, 0, sizeof(*var));
var->xres = prom_getintdefault(prom_node, "width", 1152);
var->yres = prom_getintdefault(prom_node, "height", 900);
var->xres = of_getintprop_default(dp, "width", 1152);
var->yres = of_getintprop_default(dp, "height", 900);
var->xres_virtual = var->xres;
var->yres_virtual = var->yres;
var->bits_per_pixel = bpp;

5
drivers/video/sbuslib.h
View File

@ -11,7 +11,8 @@ struct sbus_mmap_map {
#define SBUS_MMAP_FBSIZE(n) (-n)
#define SBUS_MMAP_EMPTY 0x80000000
extern void sbusfb_fill_var(struct fb_var_screeninfo *var, int prom_node, int bpp);
extern void sbusfb_fill_var(struct fb_var_screeninfo *var,
struct device_node *dp, int bpp);
struct vm_area_struct;
extern int sbusfb_mmap_helper(struct sbus_mmap_map *map,
unsigned long physbase, unsigned long fbsize,
@ -21,6 +22,6 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
struct fb_info *info,
int type, int fb_depth, unsigned long fb_size);
int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,
unsigned long arg);
unsigned long arg);
#endif /* _SBUSLIB_H */

3
drivers/video/sunxvr2500.c
View File

@ -9,10 +9,9 @@
#include <linux/fb.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/of_device.h>
struct s3d_info {
struct fb_info *info;

3
drivers/video/sunxvr500.c
View File

@ -9,10 +9,9 @@
#include <linux/fb.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/of_device.h>
/* XXX This device has a 'dev-comm' property which aparently is
* XXX a pointer into the openfirmware's address space which is

5
drivers/video/tcx.c
View File

@ -17,10 +17,9 @@
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
#include <linux/of_device.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
@ -385,7 +384,7 @@ static int __devinit tcx_probe(struct of_device *op,
par->lowdepth =
(of_find_property(dp, "tcx-8-bit", NULL) != NULL);
sbusfb_fill_var(&info->var, dp->node, 8);
sbusfb_fill_var(&info->var, dp, 8);
info->var.red.length = 8;
info->var.green.length = 8;
info->var.blue.length = 8;

1
include/asm-sparc/psr.h
View File

@ -25,6 +25,7 @@
#define PSR_PIL 0x00000f00 /* processor interrupt level */
#define PSR_EF 0x00001000 /* enable floating point */
#define PSR_EC 0x00002000 /* enable co-processor */
#define PSR_SYSCALL 0x00004000 /* inside of a syscall */
#define PSR_LE 0x00008000 /* SuperSparcII little-endian */
#define PSR_ICC 0x00f00000 /* integer condition codes */
#define PSR_C 0x00100000 /* carry bit */

11
include/asm-sparc/ptrace.h
View File

@ -39,6 +39,16 @@ struct pt_regs {
#define UREG_FP UREG_I6
#define UREG_RETPC UREG_I7
static inline bool pt_regs_is_syscall(struct pt_regs *regs)
{
return (regs->psr & PSR_SYSCALL);
}
static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
{
return (regs->psr &= ~PSR_SYSCALL);
}
/* A register window */
struct reg_window {
unsigned long locals[8];
@ -149,6 +159,7 @@ extern void show_regs(struct pt_regs *);
#define SF_XXARG 0x5c
/* Stuff for the ptrace system call */
#define PTRACE_SPARC_DETACH 11
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14

8
include/asm-sparc/signal.h
View File

@ -199,13 +199,7 @@ typedef struct sigaltstack {
size_t ss_size;
} stack_t;
struct sparc_deliver_cookie {
int restart_syscall;
unsigned long orig_i0;
};
struct pt_regs;
extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
#define ptrace_signal_deliver(regs, cookie) do { } while (0)
#endif /* !(__KERNEL__) */

2
include/asm-sparc64/psrcompat.h
View File

@ -12,6 +12,7 @@
#define PSR_PIL 0x00000f00 /* processor interrupt level */
#define PSR_EF 0x00001000 /* enable floating point */
#define PSR_EC 0x00002000 /* enable co-processor */
#define PSR_SYSCALL 0x00004000 /* inside of a syscall */
#define PSR_LE 0x00008000 /* SuperSparcII little-endian */
#define PSR_ICC 0x00f00000 /* integer condition codes */
#define PSR_C 0x00100000 /* carry bit */
@ -30,6 +31,7 @@ static inline unsigned int tstate_to_psr(unsigned long tstate)
PSR_S |
((tstate & TSTATE_ICC) >> 12) |
((tstate & TSTATE_XCC) >> 20) |
((tstate & TSTATE_SYSCALL) ? PSR_SYSCALL : 0) |
PSR_V8PLUS);
}

1
include/asm-sparc64/pstate.h
View File

@ -62,6 +62,7 @@
#define TSTATE_PRIV _AC(0x0000000000000400,UL) /* Privilege. */
#define TSTATE_IE _AC(0x0000000000000200,UL) /* Interrupt Enable. */
#define TSTATE_AG _AC(0x0000000000000100,UL) /* Alternate Globals.*/
#define TSTATE_SYSCALL _AC(0x0000000000000020,UL) /* in syscall trap */
#define TSTATE_CWP _AC(0x000000000000001f,UL) /* Curr Win-Pointer. */
/* Floating-Point Registers State Register.

13
include/asm-sparc64/ptrace.h
View File

@ -42,16 +42,14 @@ static inline int pt_regs_trap_type(struct pt_regs *regs)
return regs->magic & 0x1ff;
}
static inline int pt_regs_clear_trap_type(struct pt_regs *regs)
{
return regs->magic &= ~0x1ff;
}
static inline bool pt_regs_is_syscall(struct pt_regs *regs)
{
int tt = pt_regs_trap_type(regs);
return (regs->tstate & TSTATE_SYSCALL);
}
return (tt == 0x110 || tt == 0x111 || tt == 0x16d);
static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
{
return (regs->tstate &= ~TSTATE_SYSCALL);
}
struct pt_regs32 {
@ -298,6 +296,7 @@ extern void __show_regs(struct pt_regs *);
#define SF_XXARG 0x5c
/* Stuff for the ptrace system call */
#define PTRACE_SPARC_DETACH 11
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14

8
include/asm-sparc64/signal.h
View File

@ -186,13 +186,7 @@ struct k_sigaction {
void __user *ka_restorer;
};
struct signal_deliver_cookie {
int restart_syscall;
unsigned long orig_i0;
};
struct pt_regs;
extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
#define ptrace_signal_deliver(regs, cookie) do { } while (0)
#endif /* !(__KERNEL__) */

7
include/asm-sparc64/ttable.h
View File

@ -91,13 +91,14 @@
nop;
#define SYSCALL_TRAP(routine, systbl) \
rdpr %pil, %g2; \
mov TSTATE_SYSCALL, %g3; \
sethi %hi(109f), %g7; \
ba,pt %xcc, etrap; \
ba,pt %xcc, etrap_syscall; \
109: or %g7, %lo(109b), %g7; \
sethi %hi(systbl), %l7; \
ba,pt %xcc, routine; \
or %l7, %lo(systbl), %l7; \
nop; nop;
or %l7, %lo(systbl), %l7;
#define TRAP_UTRAP(handler,lvl) \
mov handler, %g3; \