/* CRIS v32 simulator support code
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004-2015 Free Software Foundation, Inc.
Contributed by Axis Communications.
This file is part of the GNU simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-You should have received a copy of the GNU General Public License along
-with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* The infrastructure is based on that of i960.c. */
#define SPECIFIC_U_MEM_FN
#define SPECIFIC_U_MOVEM_FN
#define BASENUM 32
+#define CRIS_TLS_REGISTER 2
#include "cris-tmpl.c"
#if WITH_PROFILE_MODEL_P
}
#endif /* WITH_PROFILE_MODEL_P */
+
+int
+MY (deliver_interrupt) (SIM_CPU *current_cpu,
+ enum cris_interrupt_type type,
+ unsigned int vec)
+{
+ unsigned32 old_ccs, shifted_ccs, new_ccs;
+ unsigned char entryaddr_le[4];
+ int was_user;
+ SIM_DESC sd = CPU_STATE (current_cpu);
+ unsigned32 entryaddr;
+
+ /* We haven't implemented other interrupt-types yet. */
+ if (type != CRIS_INT_INT)
+ abort ();
+
+ /* We're called outside of branch delay slots etc, so we don't check
+ for that. */
+ if (!GET_H_IBIT_V32 ())
+ return 0;
+
+ old_ccs = GET_H_SR_V32 (H_SR_CCS);
+ shifted_ccs = (old_ccs << 10) & ((1 << 30) - 1);
+
+ /* The M bit is handled by code below and the M bit setter function, but
+ we need to preserve the Q bit. */
+ new_ccs = shifted_ccs | (old_ccs & (unsigned32) 0x80000000UL);
+ was_user = GET_H_UBIT_V32 ();
+
+ /* We need to force kernel mode since the setter method doesn't allow
+ it. Then we can use setter methods at will, since they then
+ recognize that we're in kernel mode. */
+ CPU (h_ubit_v32) = 0;
+
+ SET_H_SR (H_SR_CCS, new_ccs);
+
+ if (was_user)
+ {
+ /* These methods require that user mode is unset. */
+ SET_H_SR (H_SR_USP, GET_H_GR (H_GR_SP));
+ SET_H_GR (H_GR_SP, GET_H_KERNEL_SP ());
+ }
+
+ /* ERP setting is simplified by not taking interrupts in delay-slots
+ or when halting. */
+ /* For all other exceptions than guru and NMI, store the return
+ address in ERP and set EXS and EXD here. */
+ SET_H_SR (H_SR_ERP, GET_H_PC ());
+
+ /* Simplified by not having exception types (fault indications). */
+ SET_H_SR_V32 (H_SR_EXS, (vec * 256));
+ SET_H_SR_V32 (H_SR_EDA, 0);
+
+ if (sim_core_read_buffer (sd,
+ current_cpu,
+ read_map, entryaddr_le,
+ GET_H_SR (H_SR_EBP) + vec * 4, 4) == 0)
+ {
+ /* Nothing to do actually; either abort or send a signal. */
+ sim_core_signal (sd, current_cpu, CPU_PC_GET (current_cpu), 0, 4,
+ GET_H_SR (H_SR_EBP) + vec * 4,
+ read_transfer, sim_core_unmapped_signal);
+ return 0;
+ }
+
+ entryaddr = bfd_getl32 (entryaddr_le);
+ SET_H_PC (entryaddr);
+
+ return 1;
+}