traps.c (b3bbcc5d1da1b654091dad15980b3d58fdae0fc6) traps.c (dfc3095cec27f402c183da920f4733785e4c873d)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
4 * Copyright 2007-2010 Freescale Semiconductor, Inc.
5 *
6 * Modified by Cort Dougan (cort@cs.nmt.edu)
7 * and Paul Mackerras (paulus@samba.org)
8 */

--- 2071 unchanged lines hidden (view full) ---

2080 /* XXX quick hack for now: set the non-Java bit in the VSCR */
2081 printk_ratelimited(KERN_ERR "Unrecognized altivec instruction "
2082 "in %s at %lx\n", current->comm, regs->nip);
2083 current->thread.vr_state.vscr.u[3] |= 0x10000;
2084 }
2085}
2086#endif /* CONFIG_ALTIVEC */
2087
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
4 * Copyright 2007-2010 Freescale Semiconductor, Inc.
5 *
6 * Modified by Cort Dougan (cort@cs.nmt.edu)
7 * and Paul Mackerras (paulus@samba.org)
8 */

--- 2071 unchanged lines hidden (view full) ---

2080 /* XXX quick hack for now: set the non-Java bit in the VSCR */
2081 printk_ratelimited(KERN_ERR "Unrecognized altivec instruction "
2082 "in %s at %lx\n", current->comm, regs->nip);
2083 current->thread.vr_state.vscr.u[3] |= 0x10000;
2084 }
2085}
2086#endif /* CONFIG_ALTIVEC */
2087
2088#ifdef CONFIG_FSL_BOOKE
2088#ifdef CONFIG_PPC_85xx
2089DEFINE_INTERRUPT_HANDLER(CacheLockingException)
2090{
2091 unsigned long error_code = regs->dsisr;
2092
2093 /* We treat cache locking instructions from the user
2094 * as priv ops, in the future we could try to do
2095 * something smarter
2096 */
2097 if (error_code & (ESR_DLK|ESR_ILK))
2098 _exception(SIGILL, regs, ILL_PRVOPC, regs->nip);
2099 return;
2100}
2089DEFINE_INTERRUPT_HANDLER(CacheLockingException)
2090{
2091 unsigned long error_code = regs->dsisr;
2092
2093 /* We treat cache locking instructions from the user
2094 * as priv ops, in the future we could try to do
2095 * something smarter
2096 */
2097 if (error_code & (ESR_DLK|ESR_ILK))
2098 _exception(SIGILL, regs, ILL_PRVOPC, regs->nip);
2099 return;
2100}
2101#endif /* CONFIG_FSL_BOOKE */
2101#endif /* CONFIG_PPC_85xx */
2102
2103#ifdef CONFIG_SPE
2104DEFINE_INTERRUPT_HANDLER(SPEFloatingPointException)
2105{
2102
2103#ifdef CONFIG_SPE
2104DEFINE_INTERRUPT_HANDLER(SPEFloatingPointException)
2105{
2106 extern int do_spe_mathemu(struct pt_regs *regs);
2107 unsigned long spefscr;
2108 int fpexc_mode;
2109 int code = FPE_FLTUNK;
2110 int err;
2111
2112 interrupt_cond_local_irq_enable(regs);
2113
2114 flush_spe_to_thread(current);

--- 33 unchanged lines hidden (view full) ---

2148 _exception(SIGFPE, regs, code, regs->nip);
2149 }
2150
2151 return;
2152}
2153
2154DEFINE_INTERRUPT_HANDLER(SPEFloatingPointRoundException)
2155{
2106 unsigned long spefscr;
2107 int fpexc_mode;
2108 int code = FPE_FLTUNK;
2109 int err;
2110
2111 interrupt_cond_local_irq_enable(regs);
2112
2113 flush_spe_to_thread(current);

--- 33 unchanged lines hidden (view full) ---

2147 _exception(SIGFPE, regs, code, regs->nip);
2148 }
2149
2150 return;
2151}
2152
2153DEFINE_INTERRUPT_HANDLER(SPEFloatingPointRoundException)
2154{
2156 extern int speround_handler(struct pt_regs *regs);
2157 int err;
2158
2159 interrupt_cond_local_irq_enable(regs);
2160
2161 preempt_disable();
2162 if (regs->msr & MSR_SPE)
2163 giveup_spe(current);
2164 preempt_enable();

--- 136 unchanged lines hidden --- 		2155 int err;
2156
2157 interrupt_cond_local_irq_enable(regs);
2158
2159 preempt_disable();
2160 if (regs->msr & MSR_SPE)
2161 giveup_spe(current);
2162 preempt_enable();

--- 136 unchanged lines hidden ---