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Virtual SMP support for the 34K.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-08-17 17:44:08 +00:00
parent d03d0a5775
commit 340ee4b98c
9 changed files with 450 additions and 15 deletions
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14
arch/mips/kernel/traps.c
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@ -28,6 +28,8 @@
#include <asm/cpu.h>
#include <asm/dsp.h>
#include <asm/fpu.h>
#include <asm/mipsregs.h>
#include <asm/mipsmtregs.h>
#include <asm/module.h>
#include <asm/pgtable.h>
#include <asm/ptrace.h>
@ -56,6 +58,7 @@ extern asmlinkage void handle_tr(void);
extern asmlinkage void handle_fpe(void);
extern asmlinkage void handle_mdmx(void);
extern asmlinkage void handle_watch(void);
extern asmlinkage void handle_mt(void);
extern asmlinkage void handle_dsp(void);
extern asmlinkage void handle_mcheck(void);
extern asmlinkage void handle_reserved(void);
@ -797,6 +800,14 @@ asmlinkage void do_mcheck(struct pt_regs *regs)
(regs->cp0_status & ST0_TS) ? "" : "not ");
}
asmlinkage void do_mt(struct pt_regs *regs)
{
die_if_kernel("MIPS MT Thread exception in kernel", regs);
force_sig(SIGILL, current);
}
asmlinkage void do_dsp(struct pt_regs *regs)
{
if (cpu_has_dsp)
@ -1338,6 +1349,9 @@ void __init trap_init(void)
if (cpu_has_mcheck)
set_except_vector(24, handle_mcheck);
if (cpu_has_mipsmt)
set_except_vector(25, handle_mt);
if (cpu_has_dsp)
set_except_vector(26, handle_dsp);