op_helper.c (78e9caf2f9410c8b90bb6d5a6449c750056c3f8a) op_helper.c (5a8e01366c5dfe93f608e7d37f385962495d5161)
1/*
2 * Microblaze helper routines.
3 *
4 * Copyright (c) 2009 Edgar E. Iglesias <edgar.iglesias@gmail.com>.
5 * Copyright (c) 2009-2012 PetaLogix Qld Pty Ltd.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public

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

170 helper_raise_exception(env, EXCP_HW_EXCP);
171}
172
173static void update_fpu_flags(CPUMBState *env, int flags)
174{
175 int raise = 0;
176
177 if (flags & float_flag_invalid) {
1/*
2 * Microblaze helper routines.
3 *
4 * Copyright (c) 2009 Edgar E. Iglesias <edgar.iglesias@gmail.com>.
5 * Copyright (c) 2009-2012 PetaLogix Qld Pty Ltd.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public

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

170 helper_raise_exception(env, EXCP_HW_EXCP);
171}
172
173static void update_fpu_flags(CPUMBState *env, int flags)
174{
175 int raise = 0;
176
177 if (flags & float_flag_invalid) {
178 env->sregs[SR_FSR] |= FSR_IO;
178 env->fsr |= FSR_IO;
179 raise = 1;
180 }
181 if (flags & float_flag_divbyzero) {
179 raise = 1;
180 }
181 if (flags & float_flag_divbyzero) {
182 env->sregs[SR_FSR] |= FSR_DZ;
182 env->fsr |= FSR_DZ;
183 raise = 1;
184 }
185 if (flags & float_flag_overflow) {
183 raise = 1;
184 }
185 if (flags & float_flag_overflow) {
186 env->sregs[SR_FSR] |= FSR_OF;
186 env->fsr |= FSR_OF;
187 raise = 1;
188 }
189 if (flags & float_flag_underflow) {
187 raise = 1;
188 }
189 if (flags & float_flag_underflow) {
190 env->sregs[SR_FSR] |= FSR_UF;
190 env->fsr |= FSR_UF;
191 raise = 1;
192 }
193 if (raise
194 && (env->pvr.regs[2] & PVR2_FPU_EXC_MASK)
195 && (env->msr & MSR_EE)) {
196 raise_fpu_exception(env);
197 }
198}

--- 305 unchanged lines hidden --- 		191 raise = 1;
192 }
193 if (raise
194 && (env->pvr.regs[2] & PVR2_FPU_EXC_MASK)
195 && (env->msr & MSR_EE)) {
196 raise_fpu_exception(env);
197 }
198}

--- 305 unchanged lines hidden ---