2005-04-17 06:20:36 +08:00
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#ifndef _SPARC64_TTABLE_H
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#define _SPARC64_TTABLE_H
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#include <asm/utrap.h>
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#ifdef __ASSEMBLY__
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#include <asm/thread_info.h>
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#endif
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#define BOOT_KERNEL b sparc64_boot; nop; nop; nop; nop; nop; nop; nop;
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/* We need a "cleaned" instruction... */
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#define CLEAN_WINDOW \
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rdpr %cleanwin, %l0; add %l0, 1, %l0; \
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wrpr %l0, 0x0, %cleanwin; \
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clr %o0; clr %o1; clr %o2; clr %o3; \
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clr %o4; clr %o5; clr %o6; clr %o7; \
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clr %l0; clr %l1; clr %l2; clr %l3; \
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clr %l4; clr %l5; clr %l6; clr %l7; \
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retry; \
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nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;nop;
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#define TRAP(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etrap; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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2008-04-24 18:15:22 +08:00
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nop; \
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2005-04-17 06:20:36 +08:00
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nop;
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#define TRAP_7INSNS(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etrap; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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2008-04-24 18:15:22 +08:00
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nop;
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2005-04-17 06:20:36 +08:00
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#define TRAP_SAVEFPU(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, do_fptrap; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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2008-04-24 18:15:22 +08:00
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nop; \
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2005-04-17 06:20:36 +08:00
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nop;
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#define TRAP_NOSAVE(routine) \
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ba,pt %xcc, routine; \
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nop; \
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nop; nop; nop; nop; nop; nop;
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#define TRAP_NOSAVE_7INSNS(routine) \
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ba,pt %xcc, routine; \
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nop; \
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nop; nop; nop; nop; nop;
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#define TRAPTL1(routine) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etraptl1; \
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109: or %g7, %lo(109b), %g7; \
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call routine; \
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add %sp, PTREGS_OFF, %o0; \
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ba,pt %xcc, rtrap; \
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2008-04-24 18:15:22 +08:00
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nop; \
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2005-04-17 06:20:36 +08:00
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nop;
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#define TRAP_ARG(routine, arg) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etrap; \
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109: or %g7, %lo(109b), %g7; \
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add %sp, PTREGS_OFF, %o0; \
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call routine; \
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mov arg, %o1; \
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ba,pt %xcc, rtrap; \
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2008-04-24 18:15:22 +08:00
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nop;
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2005-04-17 06:20:36 +08:00
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#define TRAPTL1_ARG(routine, arg) \
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sethi %hi(109f), %g7; \
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ba,pt %xcc, etraptl1; \
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109: or %g7, %lo(109b), %g7; \
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add %sp, PTREGS_OFF, %o0; \
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call routine; \
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mov arg, %o1; \
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ba,pt %xcc, rtrap; \
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2008-04-24 18:15:22 +08:00
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nop;
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2005-04-17 06:20:36 +08:00
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#define SYSCALL_TRAP(routine, systbl) \
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sparc: Fix debugger syscall restart interactions.
So, forever, we've had this ptrace_signal_deliver implementation
which tries to handle all of the nasties that can occur when the
debugger looks at a process about to take a signal. It's meant
to address all of these issues inside of the kernel so that the
debugger need not be mindful of such things.
Problem is, this doesn't work.
The idea was that we should do the syscall restart business first, so
that the debugger captures that state. Otherwise, if the debugger for
example saves the child's state, makes the child execute something
else, then restores the saved state, we won't handle the syscall
restart properly because we lose the "we're in a syscall" state.
The code here worked for most cases, but if the debugger actually
passes the signal through to the child unaltered, it's possible that
we would do a syscall restart when we shouldn't have.
In particular this breaks the case of debugging a process under a gdb
which is being debugged by yet another gdb. gdb uses sigsuspend
to wait for SIGCHLD of the inferior, but if gdb itself is being
debugged by a top-level gdb we get a ptrace_stop(). The top-level gdb
does a PTRACE_CONT with SIGCHLD to let the inferior gdb see the
signal. But ptrace_signal_deliver() assumed the debugger would cancel
out the signal and therefore did a syscall restart, because the return
error was ERESTARTNOHAND.
Fix this by simply making ptrace_signal_deliver() a nop, and providing
a way for the debugger to control system call restarting properly:
1) Report a "in syscall" software bit in regs->{tstate,psr}.
It is set early on in trap entry to a system call and is fully
visible to the debugger via ptrace() and regsets.
2) Test this bit right before doing a syscall restart. We have
to do a final recheck right after get_signal_to_deliver() in
case the debugger cleared the bit during ptrace_stop().
3) Clear the bit in trap return so we don't accidently try to set
that bit in the real register.
As a result we also get a ptrace_{is,clear}_syscall() for sparc32 just
like sparc64 has.
M68K has this same exact bug, and is now the only other user of the
ptrace_signal_deliver hook. It needs to be fixed in the same exact
way as sparc.
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-11 17:07:19 +08:00
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rdpr %pil, %g2; \
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mov TSTATE_SYSCALL, %g3; \
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2005-04-17 06:20:36 +08:00
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sethi %hi(109f), %g7; \
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sparc: Fix debugger syscall restart interactions.
So, forever, we've had this ptrace_signal_deliver implementation
which tries to handle all of the nasties that can occur when the
debugger looks at a process about to take a signal. It's meant
to address all of these issues inside of the kernel so that the
debugger need not be mindful of such things.
Problem is, this doesn't work.
The idea was that we should do the syscall restart business first, so
that the debugger captures that state. Otherwise, if the debugger for
example saves the child's state, makes the child execute something
else, then restores the saved state, we won't handle the syscall
restart properly because we lose the "we're in a syscall" state.
The code here worked for most cases, but if the debugger actually
passes the signal through to the child unaltered, it's possible that
we would do a syscall restart when we shouldn't have.
In particular this breaks the case of debugging a process under a gdb
which is being debugged by yet another gdb. gdb uses sigsuspend
to wait for SIGCHLD of the inferior, but if gdb itself is being
debugged by a top-level gdb we get a ptrace_stop(). The top-level gdb
does a PTRACE_CONT with SIGCHLD to let the inferior gdb see the
signal. But ptrace_signal_deliver() assumed the debugger would cancel
out the signal and therefore did a syscall restart, because the return
error was ERESTARTNOHAND.
Fix this by simply making ptrace_signal_deliver() a nop, and providing
a way for the debugger to control system call restarting properly:
1) Report a "in syscall" software bit in regs->{tstate,psr}.
It is set early on in trap entry to a system call and is fully
visible to the debugger via ptrace() and regsets.
2) Test this bit right before doing a syscall restart. We have
to do a final recheck right after get_signal_to_deliver() in
case the debugger cleared the bit during ptrace_stop().
3) Clear the bit in trap return so we don't accidently try to set
that bit in the real register.
As a result we also get a ptrace_{is,clear}_syscall() for sparc32 just
like sparc64 has.
M68K has this same exact bug, and is now the only other user of the
ptrace_signal_deliver hook. It needs to be fixed in the same exact
way as sparc.
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-11 17:07:19 +08:00
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ba,pt %xcc, etrap_syscall; \
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2005-04-17 06:20:36 +08:00
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109: or %g7, %lo(109b), %g7; \
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sethi %hi(systbl), %l7; \
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ba,pt %xcc, routine; \
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sparc: Fix debugger syscall restart interactions.
So, forever, we've had this ptrace_signal_deliver implementation
which tries to handle all of the nasties that can occur when the
debugger looks at a process about to take a signal. It's meant
to address all of these issues inside of the kernel so that the
debugger need not be mindful of such things.
Problem is, this doesn't work.
The idea was that we should do the syscall restart business first, so
that the debugger captures that state. Otherwise, if the debugger for
example saves the child's state, makes the child execute something
else, then restores the saved state, we won't handle the syscall
restart properly because we lose the "we're in a syscall" state.
The code here worked for most cases, but if the debugger actually
passes the signal through to the child unaltered, it's possible that
we would do a syscall restart when we shouldn't have.
In particular this breaks the case of debugging a process under a gdb
which is being debugged by yet another gdb. gdb uses sigsuspend
to wait for SIGCHLD of the inferior, but if gdb itself is being
debugged by a top-level gdb we get a ptrace_stop(). The top-level gdb
does a PTRACE_CONT with SIGCHLD to let the inferior gdb see the
signal. But ptrace_signal_deliver() assumed the debugger would cancel
out the signal and therefore did a syscall restart, because the return
error was ERESTARTNOHAND.
Fix this by simply making ptrace_signal_deliver() a nop, and providing
a way for the debugger to control system call restarting properly:
1) Report a "in syscall" software bit in regs->{tstate,psr}.
It is set early on in trap entry to a system call and is fully
visible to the debugger via ptrace() and regsets.
2) Test this bit right before doing a syscall restart. We have
to do a final recheck right after get_signal_to_deliver() in
case the debugger cleared the bit during ptrace_stop().
3) Clear the bit in trap return so we don't accidently try to set
that bit in the real register.
As a result we also get a ptrace_{is,clear}_syscall() for sparc32 just
like sparc64 has.
M68K has this same exact bug, and is now the only other user of the
ptrace_signal_deliver hook. It needs to be fixed in the same exact
way as sparc.
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-11 17:07:19 +08:00
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or %l7, %lo(systbl), %l7;
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2005-04-17 06:20:36 +08:00
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#define TRAP_UTRAP(handler,lvl) \
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2006-02-27 15:24:22 +08:00
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mov handler, %g3; \
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ba,pt %xcc, utrap_trap; \
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mov lvl, %g4; \
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nop; \
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nop; \
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nop; \
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nop; \
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nop;
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2005-04-17 06:20:36 +08:00
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#ifdef CONFIG_COMPAT
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#define LINUX_32BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall32, sys_call_table32)
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#else
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#define LINUX_32BIT_SYSCALL_TRAP BTRAP(0x110)
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#endif
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#define LINUX_64BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall, sys_call_table64)
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#define GETCC_TRAP TRAP(getcc)
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#define SETCC_TRAP TRAP(setcc)
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#define BREAKPOINT_TRAP TRAP(breakpoint_trap)
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2006-11-17 05:38:57 +08:00
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#ifdef CONFIG_TRACE_IRQFLAGS
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#define TRAP_IRQ(routine, level) \
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rdpr %pil, %g2; \
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wrpr %g0, 15, %pil; \
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sethi %hi(1f-4), %g7; \
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ba,pt %xcc, etrap_irq; \
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or %g7, %lo(1f-4), %g7; \
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nop; \
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nop; \
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nop; \
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.subsection 2; \
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1: call trace_hardirqs_off; \
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nop; \
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mov level, %o0; \
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call routine; \
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add %sp, PTREGS_OFF, %o1; \
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ba,a,pt %xcc, rtrap_irq; \
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.previous;
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#else
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2005-04-17 06:20:36 +08:00
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#define TRAP_IRQ(routine, level) \
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rdpr %pil, %g2; \
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wrpr %g0, 15, %pil; \
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2006-11-17 05:38:57 +08:00
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ba,pt %xcc, etrap_irq; \
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2005-04-17 06:20:36 +08:00
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rd %pc, %g7; \
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mov level, %o0; \
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call routine; \
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add %sp, PTREGS_OFF, %o1; \
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ba,a,pt %xcc, rtrap_irq;
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2006-11-17 05:38:57 +08:00
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#endif
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2005-04-17 06:20:36 +08:00
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#define TRAP_IVEC TRAP_NOSAVE(do_ivec)
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#define BTRAP(lvl) TRAP_ARG(bad_trap, lvl)
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#define BTRAPTL1(lvl) TRAPTL1_ARG(bad_trap_tl1, lvl)
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#define FLUSH_WINDOW_TRAP \
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ba,pt %xcc, etrap; \
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rd %pc, %g7; \
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flushw; \
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ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1; \
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add %l1, 4, %l2; \
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stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC]; \
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2008-04-24 18:15:22 +08:00
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ba,pt %xcc, rtrap; \
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2005-04-17 06:20:36 +08:00
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stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC];
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#ifdef CONFIG_KPROBES
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#define KPROBES_TRAP(lvl) TRAP_IRQ(kprobe_trap, lvl)
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#else
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#define KPROBES_TRAP(lvl) TRAP_ARG(bad_trap, lvl)
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#endif
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2008-04-29 17:38:50 +08:00
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#ifdef CONFIG_KGDB
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#define KGDB_TRAP(lvl) TRAP_IRQ(kgdb_trap, lvl)
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#else
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#define KGDB_TRAP(lvl) TRAP_ARG(bad_trap, lvl)
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#endif
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2006-02-11 07:39:51 +08:00
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#define SUN4V_ITSB_MISS \
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ldxa [%g0] ASI_SCRATCHPAD, %g2; \
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ldx [%g2 + HV_FAULT_I_ADDR_OFFSET], %g4; \
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ldx [%g2 + HV_FAULT_I_CTX_OFFSET], %g5; \
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2006-02-18 10:01:02 +08:00
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srlx %g4, 22, %g6; \
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2006-02-12 04:21:20 +08:00
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ba,pt %xcc, sun4v_itsb_miss; \
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2006-02-18 10:01:02 +08:00
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nop; \
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nop; \
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2006-02-12 04:21:20 +08:00
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nop;
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2006-02-10 08:12:22 +08:00
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2006-02-12 04:21:20 +08:00
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#define SUN4V_DTSB_MISS \
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2006-02-11 07:39:51 +08:00
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ldxa [%g0] ASI_SCRATCHPAD, %g2; \
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ldx [%g2 + HV_FAULT_D_ADDR_OFFSET], %g4; \
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ldx [%g2 + HV_FAULT_D_CTX_OFFSET], %g5; \
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2006-02-18 10:01:02 +08:00
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srlx %g4, 22, %g6; \
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2006-02-12 04:21:20 +08:00
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ba,pt %xcc, sun4v_dtsb_miss; \
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2006-02-18 10:01:02 +08:00
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nop; \
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nop; \
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2006-02-12 04:21:20 +08:00
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nop;
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2006-02-10 08:12:22 +08:00
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2005-04-17 06:20:36 +08:00
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/* Before touching these macros, you owe it to yourself to go and
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* see how arch/sparc64/kernel/winfixup.S works... -DaveM
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*
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* For the user cases we used to use the %asi register, but
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* it turns out that the "wr xxx, %asi" costs ~5 cycles, so
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* now we use immediate ASI loads and stores instead. Kudos
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* to Greg Onufer for pointing out this performance anomaly.
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*
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* Further note that we cannot use the g2, g4, g5, and g7 alternate
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* globals in the spill routines, check out the save instruction in
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* arch/sparc64/kernel/etrap.S to see what I mean about g2, and
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* g4/g5 are the globals which are preserved by etrap processing
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* for the caller of it. The g7 register is the return pc for
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* etrap. Finally, g6 is the current thread register so we cannot
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* us it in the spill handlers either. Most of these rules do not
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* apply to fill processing, only g6 is not usable.
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*/
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/* Normal kernel spill */
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#define SPILL_0_NORMAL \
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stx %l0, [%sp + STACK_BIAS + 0x00]; \
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stx %l1, [%sp + STACK_BIAS + 0x08]; \
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stx %l2, [%sp + STACK_BIAS + 0x10]; \
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stx %l3, [%sp + STACK_BIAS + 0x18]; \
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stx %l4, [%sp + STACK_BIAS + 0x20]; \
|
|
|
|
stx %l5, [%sp + STACK_BIAS + 0x28]; \
|
|
|
|
stx %l6, [%sp + STACK_BIAS + 0x30]; \
|
|
|
|
stx %l7, [%sp + STACK_BIAS + 0x38]; \
|
|
|
|
stx %i0, [%sp + STACK_BIAS + 0x40]; \
|
|
|
|
stx %i1, [%sp + STACK_BIAS + 0x48]; \
|
|
|
|
stx %i2, [%sp + STACK_BIAS + 0x50]; \
|
|
|
|
stx %i3, [%sp + STACK_BIAS + 0x58]; \
|
|
|
|
stx %i4, [%sp + STACK_BIAS + 0x60]; \
|
|
|
|
stx %i5, [%sp + STACK_BIAS + 0x68]; \
|
|
|
|
stx %i6, [%sp + STACK_BIAS + 0x70]; \
|
|
|
|
stx %i7, [%sp + STACK_BIAS + 0x78]; \
|
|
|
|
saved; retry; nop; nop; nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop; nop; nop; nop; nop;
|
|
|
|
|
2006-02-04 16:10:01 +08:00
|
|
|
#define SPILL_0_NORMAL_ETRAP \
|
|
|
|
etrap_kernel_spill: \
|
|
|
|
stx %l0, [%sp + STACK_BIAS + 0x00]; \
|
|
|
|
stx %l1, [%sp + STACK_BIAS + 0x08]; \
|
|
|
|
stx %l2, [%sp + STACK_BIAS + 0x10]; \
|
|
|
|
stx %l3, [%sp + STACK_BIAS + 0x18]; \
|
|
|
|
stx %l4, [%sp + STACK_BIAS + 0x20]; \
|
|
|
|
stx %l5, [%sp + STACK_BIAS + 0x28]; \
|
|
|
|
stx %l6, [%sp + STACK_BIAS + 0x30]; \
|
|
|
|
stx %l7, [%sp + STACK_BIAS + 0x38]; \
|
|
|
|
stx %i0, [%sp + STACK_BIAS + 0x40]; \
|
|
|
|
stx %i1, [%sp + STACK_BIAS + 0x48]; \
|
|
|
|
stx %i2, [%sp + STACK_BIAS + 0x50]; \
|
|
|
|
stx %i3, [%sp + STACK_BIAS + 0x58]; \
|
|
|
|
stx %i4, [%sp + STACK_BIAS + 0x60]; \
|
|
|
|
stx %i5, [%sp + STACK_BIAS + 0x68]; \
|
|
|
|
stx %i6, [%sp + STACK_BIAS + 0x70]; \
|
|
|
|
stx %i7, [%sp + STACK_BIAS + 0x78]; \
|
|
|
|
saved; \
|
|
|
|
sub %g1, 2, %g1; \
|
|
|
|
ba,pt %xcc, etrap_save; \
|
|
|
|
wrpr %g1, %cwp; \
|
|
|
|
nop; nop; nop; nop; nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop;
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* Normal 64bit spill */
|
|
|
|
#define SPILL_1_GENERIC(ASI) \
|
|
|
|
add %sp, STACK_BIAS + 0x00, %g1; \
|
|
|
|
stxa %l0, [%g1 + %g0] ASI; \
|
|
|
|
mov 0x08, %g3; \
|
|
|
|
stxa %l1, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
stxa %l2, [%g1 + %g0] ASI; \
|
|
|
|
stxa %l3, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
stxa %l4, [%g1 + %g0] ASI; \
|
|
|
|
stxa %l5, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
stxa %l6, [%g1 + %g0] ASI; \
|
|
|
|
stxa %l7, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
stxa %i0, [%g1 + %g0] ASI; \
|
|
|
|
stxa %i1, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
stxa %i2, [%g1 + %g0] ASI; \
|
|
|
|
stxa %i3, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
stxa %i4, [%g1 + %g0] ASI; \
|
|
|
|
stxa %i5, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
stxa %i6, [%g1 + %g0] ASI; \
|
|
|
|
stxa %i7, [%g1 + %g3] ASI; \
|
|
|
|
saved; \
|
|
|
|
retry; nop; nop; \
|
|
|
|
b,a,pt %xcc, spill_fixup_dax; \
|
|
|
|
b,a,pt %xcc, spill_fixup_mna; \
|
|
|
|
b,a,pt %xcc, spill_fixup;
|
|
|
|
|
2006-02-04 16:10:01 +08:00
|
|
|
#define SPILL_1_GENERIC_ETRAP \
|
|
|
|
etrap_user_spill_64bit: \
|
|
|
|
stxa %l0, [%sp + STACK_BIAS + 0x00] %asi; \
|
|
|
|
stxa %l1, [%sp + STACK_BIAS + 0x08] %asi; \
|
|
|
|
stxa %l2, [%sp + STACK_BIAS + 0x10] %asi; \
|
|
|
|
stxa %l3, [%sp + STACK_BIAS + 0x18] %asi; \
|
|
|
|
stxa %l4, [%sp + STACK_BIAS + 0x20] %asi; \
|
|
|
|
stxa %l5, [%sp + STACK_BIAS + 0x28] %asi; \
|
|
|
|
stxa %l6, [%sp + STACK_BIAS + 0x30] %asi; \
|
|
|
|
stxa %l7, [%sp + STACK_BIAS + 0x38] %asi; \
|
|
|
|
stxa %i0, [%sp + STACK_BIAS + 0x40] %asi; \
|
|
|
|
stxa %i1, [%sp + STACK_BIAS + 0x48] %asi; \
|
|
|
|
stxa %i2, [%sp + STACK_BIAS + 0x50] %asi; \
|
|
|
|
stxa %i3, [%sp + STACK_BIAS + 0x58] %asi; \
|
|
|
|
stxa %i4, [%sp + STACK_BIAS + 0x60] %asi; \
|
|
|
|
stxa %i5, [%sp + STACK_BIAS + 0x68] %asi; \
|
|
|
|
stxa %i6, [%sp + STACK_BIAS + 0x70] %asi; \
|
|
|
|
stxa %i7, [%sp + STACK_BIAS + 0x78] %asi; \
|
|
|
|
saved; \
|
|
|
|
sub %g1, 2, %g1; \
|
|
|
|
ba,pt %xcc, etrap_save; \
|
|
|
|
wrpr %g1, %cwp; \
|
|
|
|
nop; nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop; \
|
|
|
|
ba,a,pt %xcc, etrap_spill_fixup_64bit; \
|
|
|
|
ba,a,pt %xcc, etrap_spill_fixup_64bit; \
|
|
|
|
ba,a,pt %xcc, etrap_spill_fixup_64bit;
|
|
|
|
|
|
|
|
#define SPILL_1_GENERIC_ETRAP_FIXUP \
|
|
|
|
etrap_spill_fixup_64bit: \
|
|
|
|
ldub [%g6 + TI_WSAVED], %g1; \
|
|
|
|
sll %g1, 3, %g3; \
|
|
|
|
add %g6, %g3, %g3; \
|
|
|
|
stx %sp, [%g3 + TI_RWIN_SPTRS]; \
|
|
|
|
sll %g1, 7, %g3; \
|
|
|
|
add %g6, %g3, %g3; \
|
|
|
|
stx %l0, [%g3 + TI_REG_WINDOW + 0x00]; \
|
|
|
|
stx %l1, [%g3 + TI_REG_WINDOW + 0x08]; \
|
|
|
|
stx %l2, [%g3 + TI_REG_WINDOW + 0x10]; \
|
|
|
|
stx %l3, [%g3 + TI_REG_WINDOW + 0x18]; \
|
|
|
|
stx %l4, [%g3 + TI_REG_WINDOW + 0x20]; \
|
|
|
|
stx %l5, [%g3 + TI_REG_WINDOW + 0x28]; \
|
|
|
|
stx %l6, [%g3 + TI_REG_WINDOW + 0x30]; \
|
|
|
|
stx %l7, [%g3 + TI_REG_WINDOW + 0x38]; \
|
|
|
|
stx %i0, [%g3 + TI_REG_WINDOW + 0x40]; \
|
|
|
|
stx %i1, [%g3 + TI_REG_WINDOW + 0x48]; \
|
|
|
|
stx %i2, [%g3 + TI_REG_WINDOW + 0x50]; \
|
|
|
|
stx %i3, [%g3 + TI_REG_WINDOW + 0x58]; \
|
|
|
|
stx %i4, [%g3 + TI_REG_WINDOW + 0x60]; \
|
|
|
|
stx %i5, [%g3 + TI_REG_WINDOW + 0x68]; \
|
|
|
|
stx %i6, [%g3 + TI_REG_WINDOW + 0x70]; \
|
|
|
|
stx %i7, [%g3 + TI_REG_WINDOW + 0x78]; \
|
|
|
|
add %g1, 1, %g1; \
|
|
|
|
stb %g1, [%g6 + TI_WSAVED]; \
|
|
|
|
saved; \
|
|
|
|
rdpr %cwp, %g1; \
|
|
|
|
sub %g1, 2, %g1; \
|
|
|
|
ba,pt %xcc, etrap_save; \
|
|
|
|
wrpr %g1, %cwp; \
|
|
|
|
nop; nop; nop
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* Normal 32bit spill */
|
|
|
|
#define SPILL_2_GENERIC(ASI) \
|
|
|
|
srl %sp, 0, %sp; \
|
|
|
|
stwa %l0, [%sp + %g0] ASI; \
|
|
|
|
mov 0x04, %g3; \
|
|
|
|
stwa %l1, [%sp + %g3] ASI; \
|
|
|
|
add %sp, 0x08, %g1; \
|
|
|
|
stwa %l2, [%g1 + %g0] ASI; \
|
|
|
|
stwa %l3, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x08, %g1; \
|
|
|
|
stwa %l4, [%g1 + %g0] ASI; \
|
|
|
|
stwa %l5, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x08, %g1; \
|
|
|
|
stwa %l6, [%g1 + %g0] ASI; \
|
|
|
|
stwa %l7, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x08, %g1; \
|
|
|
|
stwa %i0, [%g1 + %g0] ASI; \
|
|
|
|
stwa %i1, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x08, %g1; \
|
|
|
|
stwa %i2, [%g1 + %g0] ASI; \
|
|
|
|
stwa %i3, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x08, %g1; \
|
|
|
|
stwa %i4, [%g1 + %g0] ASI; \
|
|
|
|
stwa %i5, [%g1 + %g3] ASI; \
|
|
|
|
add %g1, 0x08, %g1; \
|
|
|
|
stwa %i6, [%g1 + %g0] ASI; \
|
|
|
|
stwa %i7, [%g1 + %g3] ASI; \
|
|
|
|
saved; \
|
|
|
|
retry; nop; nop; \
|
|
|
|
b,a,pt %xcc, spill_fixup_dax; \
|
|
|
|
b,a,pt %xcc, spill_fixup_mna; \
|
|
|
|
b,a,pt %xcc, spill_fixup;
|
|
|
|
|
2006-02-04 16:10:01 +08:00
|
|
|
#define SPILL_2_GENERIC_ETRAP \
|
|
|
|
etrap_user_spill_32bit: \
|
|
|
|
srl %sp, 0, %sp; \
|
|
|
|
stwa %l0, [%sp + 0x00] %asi; \
|
|
|
|
stwa %l1, [%sp + 0x04] %asi; \
|
|
|
|
stwa %l2, [%sp + 0x08] %asi; \
|
|
|
|
stwa %l3, [%sp + 0x0c] %asi; \
|
|
|
|
stwa %l4, [%sp + 0x10] %asi; \
|
|
|
|
stwa %l5, [%sp + 0x14] %asi; \
|
|
|
|
stwa %l6, [%sp + 0x18] %asi; \
|
|
|
|
stwa %l7, [%sp + 0x1c] %asi; \
|
|
|
|
stwa %i0, [%sp + 0x20] %asi; \
|
|
|
|
stwa %i1, [%sp + 0x24] %asi; \
|
|
|
|
stwa %i2, [%sp + 0x28] %asi; \
|
|
|
|
stwa %i3, [%sp + 0x2c] %asi; \
|
|
|
|
stwa %i4, [%sp + 0x30] %asi; \
|
|
|
|
stwa %i5, [%sp + 0x34] %asi; \
|
|
|
|
stwa %i6, [%sp + 0x38] %asi; \
|
|
|
|
stwa %i7, [%sp + 0x3c] %asi; \
|
|
|
|
saved; \
|
|
|
|
sub %g1, 2, %g1; \
|
|
|
|
ba,pt %xcc, etrap_save; \
|
|
|
|
wrpr %g1, %cwp; \
|
|
|
|
nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop; \
|
|
|
|
ba,a,pt %xcc, etrap_spill_fixup_32bit; \
|
|
|
|
ba,a,pt %xcc, etrap_spill_fixup_32bit; \
|
|
|
|
ba,a,pt %xcc, etrap_spill_fixup_32bit;
|
|
|
|
|
|
|
|
#define SPILL_2_GENERIC_ETRAP_FIXUP \
|
|
|
|
etrap_spill_fixup_32bit: \
|
|
|
|
ldub [%g6 + TI_WSAVED], %g1; \
|
|
|
|
sll %g1, 3, %g3; \
|
|
|
|
add %g6, %g3, %g3; \
|
|
|
|
stx %sp, [%g3 + TI_RWIN_SPTRS]; \
|
|
|
|
sll %g1, 7, %g3; \
|
|
|
|
add %g6, %g3, %g3; \
|
|
|
|
stw %l0, [%g3 + TI_REG_WINDOW + 0x00]; \
|
|
|
|
stw %l1, [%g3 + TI_REG_WINDOW + 0x04]; \
|
|
|
|
stw %l2, [%g3 + TI_REG_WINDOW + 0x08]; \
|
|
|
|
stw %l3, [%g3 + TI_REG_WINDOW + 0x0c]; \
|
|
|
|
stw %l4, [%g3 + TI_REG_WINDOW + 0x10]; \
|
|
|
|
stw %l5, [%g3 + TI_REG_WINDOW + 0x14]; \
|
|
|
|
stw %l6, [%g3 + TI_REG_WINDOW + 0x18]; \
|
|
|
|
stw %l7, [%g3 + TI_REG_WINDOW + 0x1c]; \
|
|
|
|
stw %i0, [%g3 + TI_REG_WINDOW + 0x20]; \
|
|
|
|
stw %i1, [%g3 + TI_REG_WINDOW + 0x24]; \
|
|
|
|
stw %i2, [%g3 + TI_REG_WINDOW + 0x28]; \
|
|
|
|
stw %i3, [%g3 + TI_REG_WINDOW + 0x2c]; \
|
|
|
|
stw %i4, [%g3 + TI_REG_WINDOW + 0x30]; \
|
|
|
|
stw %i5, [%g3 + TI_REG_WINDOW + 0x34]; \
|
|
|
|
stw %i6, [%g3 + TI_REG_WINDOW + 0x38]; \
|
|
|
|
stw %i7, [%g3 + TI_REG_WINDOW + 0x3c]; \
|
|
|
|
add %g1, 1, %g1; \
|
|
|
|
stb %g1, [%g6 + TI_WSAVED]; \
|
|
|
|
saved; \
|
|
|
|
rdpr %cwp, %g1; \
|
|
|
|
sub %g1, 2, %g1; \
|
|
|
|
ba,pt %xcc, etrap_save; \
|
|
|
|
wrpr %g1, %cwp; \
|
|
|
|
nop; nop; nop
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
#define SPILL_1_NORMAL SPILL_1_GENERIC(ASI_AIUP)
|
|
|
|
#define SPILL_2_NORMAL SPILL_2_GENERIC(ASI_AIUP)
|
|
|
|
#define SPILL_3_NORMAL SPILL_0_NORMAL
|
|
|
|
#define SPILL_4_NORMAL SPILL_0_NORMAL
|
|
|
|
#define SPILL_5_NORMAL SPILL_0_NORMAL
|
|
|
|
#define SPILL_6_NORMAL SPILL_0_NORMAL
|
|
|
|
#define SPILL_7_NORMAL SPILL_0_NORMAL
|
|
|
|
|
|
|
|
#define SPILL_0_OTHER SPILL_0_NORMAL
|
|
|
|
#define SPILL_1_OTHER SPILL_1_GENERIC(ASI_AIUS)
|
|
|
|
#define SPILL_2_OTHER SPILL_2_GENERIC(ASI_AIUS)
|
|
|
|
#define SPILL_3_OTHER SPILL_3_NORMAL
|
|
|
|
#define SPILL_4_OTHER SPILL_4_NORMAL
|
|
|
|
#define SPILL_5_OTHER SPILL_5_NORMAL
|
|
|
|
#define SPILL_6_OTHER SPILL_6_NORMAL
|
|
|
|
#define SPILL_7_OTHER SPILL_7_NORMAL
|
|
|
|
|
|
|
|
/* Normal kernel fill */
|
|
|
|
#define FILL_0_NORMAL \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x00], %l0; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x08], %l1; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x10], %l2; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x18], %l3; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x20], %l4; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x28], %l5; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x30], %l6; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x38], %l7; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x40], %i0; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x48], %i1; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x50], %i2; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x58], %i3; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x60], %i4; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x68], %i5; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x70], %i6; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x78], %i7; \
|
|
|
|
restored; retry; nop; nop; nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop; nop; nop; nop; nop;
|
|
|
|
|
2006-02-04 16:10:01 +08:00
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|
|
#define FILL_0_NORMAL_RTRAP \
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|
|
|
kern_rtt_fill: \
|
|
|
|
rdpr %cwp, %g1; \
|
|
|
|
sub %g1, 1, %g1; \
|
|
|
|
wrpr %g1, %cwp; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x00], %l0; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x08], %l1; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x10], %l2; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x18], %l3; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x20], %l4; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x28], %l5; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x30], %l6; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x38], %l7; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x40], %i0; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x48], %i1; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x50], %i2; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x58], %i3; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x60], %i4; \
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|
|
|
ldx [%sp + STACK_BIAS + 0x68], %i5; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x70], %i6; \
|
|
|
|
ldx [%sp + STACK_BIAS + 0x78], %i7; \
|
|
|
|
restored; \
|
|
|
|
add %g1, 1, %g1; \
|
|
|
|
ba,pt %xcc, kern_rtt_restore; \
|
|
|
|
wrpr %g1, %cwp; \
|
|
|
|
nop; nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop;
|
|
|
|
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* Normal 64bit fill */
|
|
|
|
#define FILL_1_GENERIC(ASI) \
|
|
|
|
add %sp, STACK_BIAS + 0x00, %g1; \
|
|
|
|
ldxa [%g1 + %g0] ASI, %l0; \
|
|
|
|
mov 0x08, %g2; \
|
|
|
|
mov 0x10, %g3; \
|
|
|
|
ldxa [%g1 + %g2] ASI, %l1; \
|
|
|
|
mov 0x18, %g5; \
|
|
|
|
ldxa [%g1 + %g3] ASI, %l2; \
|
|
|
|
ldxa [%g1 + %g5] ASI, %l3; \
|
|
|
|
add %g1, 0x20, %g1; \
|
|
|
|
ldxa [%g1 + %g0] ASI, %l4; \
|
|
|
|
ldxa [%g1 + %g2] ASI, %l5; \
|
|
|
|
ldxa [%g1 + %g3] ASI, %l6; \
|
|
|
|
ldxa [%g1 + %g5] ASI, %l7; \
|
|
|
|
add %g1, 0x20, %g1; \
|
|
|
|
ldxa [%g1 + %g0] ASI, %i0; \
|
|
|
|
ldxa [%g1 + %g2] ASI, %i1; \
|
|
|
|
ldxa [%g1 + %g3] ASI, %i2; \
|
|
|
|
ldxa [%g1 + %g5] ASI, %i3; \
|
|
|
|
add %g1, 0x20, %g1; \
|
|
|
|
ldxa [%g1 + %g0] ASI, %i4; \
|
|
|
|
ldxa [%g1 + %g2] ASI, %i5; \
|
|
|
|
ldxa [%g1 + %g3] ASI, %i6; \
|
|
|
|
ldxa [%g1 + %g5] ASI, %i7; \
|
|
|
|
restored; \
|
|
|
|
retry; nop; nop; nop; nop; \
|
|
|
|
b,a,pt %xcc, fill_fixup_dax; \
|
|
|
|
b,a,pt %xcc, fill_fixup_mna; \
|
|
|
|
b,a,pt %xcc, fill_fixup;
|
|
|
|
|
2006-02-04 16:10:01 +08:00
|
|
|
#define FILL_1_GENERIC_RTRAP \
|
|
|
|
user_rtt_fill_64bit: \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x00] %asi, %l0; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x08] %asi, %l1; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x10] %asi, %l2; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x18] %asi, %l3; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x20] %asi, %l4; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x28] %asi, %l5; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x30] %asi, %l6; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x38] %asi, %l7; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x40] %asi, %i0; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x48] %asi, %i1; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x50] %asi, %i2; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x58] %asi, %i3; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x60] %asi, %i4; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x68] %asi, %i5; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x70] %asi, %i6; \
|
|
|
|
ldxa [%sp + STACK_BIAS + 0x78] %asi, %i7; \
|
|
|
|
ba,pt %xcc, user_rtt_pre_restore; \
|
|
|
|
restored; \
|
|
|
|
nop; nop; nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop; nop; \
|
|
|
|
ba,a,pt %xcc, user_rtt_fill_fixup; \
|
|
|
|
ba,a,pt %xcc, user_rtt_fill_fixup; \
|
|
|
|
ba,a,pt %xcc, user_rtt_fill_fixup;
|
|
|
|
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
/* Normal 32bit fill */
|
|
|
|
#define FILL_2_GENERIC(ASI) \
|
|
|
|
srl %sp, 0, %sp; \
|
|
|
|
lduwa [%sp + %g0] ASI, %l0; \
|
|
|
|
mov 0x04, %g2; \
|
|
|
|
mov 0x08, %g3; \
|
|
|
|
lduwa [%sp + %g2] ASI, %l1; \
|
|
|
|
mov 0x0c, %g5; \
|
|
|
|
lduwa [%sp + %g3] ASI, %l2; \
|
|
|
|
lduwa [%sp + %g5] ASI, %l3; \
|
|
|
|
add %sp, 0x10, %g1; \
|
|
|
|
lduwa [%g1 + %g0] ASI, %l4; \
|
|
|
|
lduwa [%g1 + %g2] ASI, %l5; \
|
|
|
|
lduwa [%g1 + %g3] ASI, %l6; \
|
|
|
|
lduwa [%g1 + %g5] ASI, %l7; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
lduwa [%g1 + %g0] ASI, %i0; \
|
|
|
|
lduwa [%g1 + %g2] ASI, %i1; \
|
|
|
|
lduwa [%g1 + %g3] ASI, %i2; \
|
|
|
|
lduwa [%g1 + %g5] ASI, %i3; \
|
|
|
|
add %g1, 0x10, %g1; \
|
|
|
|
lduwa [%g1 + %g0] ASI, %i4; \
|
|
|
|
lduwa [%g1 + %g2] ASI, %i5; \
|
|
|
|
lduwa [%g1 + %g3] ASI, %i6; \
|
|
|
|
lduwa [%g1 + %g5] ASI, %i7; \
|
|
|
|
restored; \
|
|
|
|
retry; nop; nop; nop; nop; \
|
|
|
|
b,a,pt %xcc, fill_fixup_dax; \
|
|
|
|
b,a,pt %xcc, fill_fixup_mna; \
|
|
|
|
b,a,pt %xcc, fill_fixup;
|
|
|
|
|
2006-02-04 16:10:01 +08:00
|
|
|
#define FILL_2_GENERIC_RTRAP \
|
|
|
|
user_rtt_fill_32bit: \
|
|
|
|
srl %sp, 0, %sp; \
|
|
|
|
lduwa [%sp + 0x00] %asi, %l0; \
|
|
|
|
lduwa [%sp + 0x04] %asi, %l1; \
|
|
|
|
lduwa [%sp + 0x08] %asi, %l2; \
|
|
|
|
lduwa [%sp + 0x0c] %asi, %l3; \
|
|
|
|
lduwa [%sp + 0x10] %asi, %l4; \
|
|
|
|
lduwa [%sp + 0x14] %asi, %l5; \
|
|
|
|
lduwa [%sp + 0x18] %asi, %l6; \
|
|
|
|
lduwa [%sp + 0x1c] %asi, %l7; \
|
|
|
|
lduwa [%sp + 0x20] %asi, %i0; \
|
|
|
|
lduwa [%sp + 0x24] %asi, %i1; \
|
|
|
|
lduwa [%sp + 0x28] %asi, %i2; \
|
|
|
|
lduwa [%sp + 0x2c] %asi, %i3; \
|
|
|
|
lduwa [%sp + 0x30] %asi, %i4; \
|
|
|
|
lduwa [%sp + 0x34] %asi, %i5; \
|
|
|
|
lduwa [%sp + 0x38] %asi, %i6; \
|
|
|
|
lduwa [%sp + 0x3c] %asi, %i7; \
|
|
|
|
ba,pt %xcc, user_rtt_pre_restore; \
|
|
|
|
restored; \
|
|
|
|
nop; nop; nop; nop; nop; \
|
|
|
|
nop; nop; nop; nop; nop; \
|
|
|
|
ba,a,pt %xcc, user_rtt_fill_fixup; \
|
|
|
|
ba,a,pt %xcc, user_rtt_fill_fixup; \
|
|
|
|
ba,a,pt %xcc, user_rtt_fill_fixup;
|
|
|
|
|
|
|
|
|
2005-04-17 06:20:36 +08:00
|
|
|
#define FILL_1_NORMAL FILL_1_GENERIC(ASI_AIUP)
|
|
|
|
#define FILL_2_NORMAL FILL_2_GENERIC(ASI_AIUP)
|
|
|
|
#define FILL_3_NORMAL FILL_0_NORMAL
|
|
|
|
#define FILL_4_NORMAL FILL_0_NORMAL
|
|
|
|
#define FILL_5_NORMAL FILL_0_NORMAL
|
|
|
|
#define FILL_6_NORMAL FILL_0_NORMAL
|
|
|
|
#define FILL_7_NORMAL FILL_0_NORMAL
|
|
|
|
|
|
|
|
#define FILL_0_OTHER FILL_0_NORMAL
|
|
|
|
#define FILL_1_OTHER FILL_1_GENERIC(ASI_AIUS)
|
|
|
|
#define FILL_2_OTHER FILL_2_GENERIC(ASI_AIUS)
|
|
|
|
#define FILL_3_OTHER FILL_3_NORMAL
|
|
|
|
#define FILL_4_OTHER FILL_4_NORMAL
|
|
|
|
#define FILL_5_OTHER FILL_5_NORMAL
|
|
|
|
#define FILL_6_OTHER FILL_6_NORMAL
|
|
|
|
#define FILL_7_OTHER FILL_7_NORMAL
|
|
|
|
|
|
|
|
#endif /* !(_SPARC64_TTABLE_H) */
|