From bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 Mon Sep 17 00:00:00 2001 From: RajithaY Date: Tue, 25 Apr 2017 03:31:15 -0700 Subject: Adding qemu as a submodule of KVMFORNFV This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY --- qemu/target-sparc/helper.c | 262 --------------------------------------------- 1 file changed, 262 deletions(-) delete mode 100644 qemu/target-sparc/helper.c (limited to 'qemu/target-sparc/helper.c') diff --git a/qemu/target-sparc/helper.c b/qemu/target-sparc/helper.c deleted file mode 100644 index 8349cbe2c..000000000 --- a/qemu/target-sparc/helper.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Misc Sparc helpers - * - * Copyright (c) 2003-2005 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see . - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "qemu/host-utils.h" -#include "exec/helper-proto.h" -#include "sysemu/sysemu.h" - -void helper_raise_exception(CPUSPARCState *env, int tt) -{ - CPUState *cs = CPU(sparc_env_get_cpu(env)); - - cs->exception_index = tt; - cpu_loop_exit(cs); -} - -void helper_debug(CPUSPARCState *env) -{ - CPUState *cs = CPU(sparc_env_get_cpu(env)); - - cs->exception_index = EXCP_DEBUG; - cpu_loop_exit(cs); -} - -#ifdef TARGET_SPARC64 -target_ulong helper_popc(target_ulong val) -{ - return ctpop64(val); -} - -void helper_tick_set_count(void *opaque, uint64_t count) -{ -#if !defined(CONFIG_USER_ONLY) - cpu_tick_set_count(opaque, count); -#endif -} - -uint64_t helper_tick_get_count(CPUSPARCState *env, void *opaque, int mem_idx) -{ -#if !defined(CONFIG_USER_ONLY) - CPUTimer *timer = opaque; - - if (timer->npt && mem_idx < MMU_KERNEL_IDX) { - helper_raise_exception(env, TT_PRIV_INSN); - } - - return cpu_tick_get_count(timer); -#else - return 0; -#endif -} - -void helper_tick_set_limit(void *opaque, uint64_t limit) -{ -#if !defined(CONFIG_USER_ONLY) - cpu_tick_set_limit(opaque, limit); -#endif -} -#endif - -static target_ulong helper_udiv_common(CPUSPARCState *env, target_ulong a, - target_ulong b, int cc) -{ - SPARCCPU *cpu = sparc_env_get_cpu(env); - int overflow = 0; - uint64_t x0; - uint32_t x1; - - x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); - x1 = (b & 0xffffffff); - - if (x1 == 0) { - cpu_restore_state(CPU(cpu), GETPC()); - helper_raise_exception(env, TT_DIV_ZERO); - } - - x0 = x0 / x1; - if (x0 > UINT32_MAX) { - x0 = UINT32_MAX; - overflow = 1; - } - - if (cc) { - env->cc_dst = x0; - env->cc_src2 = overflow; - env->cc_op = CC_OP_DIV; - } - return x0; -} - -target_ulong helper_udiv(CPUSPARCState *env, target_ulong a, target_ulong b) -{ - return helper_udiv_common(env, a, b, 0); -} - -target_ulong helper_udiv_cc(CPUSPARCState *env, target_ulong a, target_ulong b) -{ - return helper_udiv_common(env, a, b, 1); -} - -static target_ulong helper_sdiv_common(CPUSPARCState *env, target_ulong a, - target_ulong b, int cc) -{ - SPARCCPU *cpu = sparc_env_get_cpu(env); - int overflow = 0; - int64_t x0; - int32_t x1; - - x0 = (a & 0xffffffff) | ((int64_t) (env->y) << 32); - x1 = (b & 0xffffffff); - - if (x1 == 0) { - cpu_restore_state(CPU(cpu), GETPC()); - helper_raise_exception(env, TT_DIV_ZERO); - } else if (x1 == -1 && x0 == INT64_MIN) { - x0 = INT32_MAX; - overflow = 1; - } else { - x0 = x0 / x1; - if ((int32_t) x0 != x0) { - x0 = x0 < 0 ? INT32_MIN : INT32_MAX; - overflow = 1; - } - } - - if (cc) { - env->cc_dst = x0; - env->cc_src2 = overflow; - env->cc_op = CC_OP_DIV; - } - return x0; -} - -target_ulong helper_sdiv(CPUSPARCState *env, target_ulong a, target_ulong b) -{ - return helper_sdiv_common(env, a, b, 0); -} - -target_ulong helper_sdiv_cc(CPUSPARCState *env, target_ulong a, target_ulong b) -{ - return helper_sdiv_common(env, a, b, 1); -} - -#ifdef TARGET_SPARC64 -int64_t helper_sdivx(CPUSPARCState *env, int64_t a, int64_t b) -{ - if (b == 0) { - /* Raise divide by zero trap. */ - SPARCCPU *cpu = sparc_env_get_cpu(env); - - cpu_restore_state(CPU(cpu), GETPC()); - helper_raise_exception(env, TT_DIV_ZERO); - } else if (b == -1) { - /* Avoid overflow trap with i386 divide insn. */ - return -a; - } else { - return a / b; - } -} - -uint64_t helper_udivx(CPUSPARCState *env, uint64_t a, uint64_t b) -{ - if (b == 0) { - /* Raise divide by zero trap. */ - SPARCCPU *cpu = sparc_env_get_cpu(env); - - cpu_restore_state(CPU(cpu), GETPC()); - helper_raise_exception(env, TT_DIV_ZERO); - } - return a / b; -} -#endif - -target_ulong helper_taddcctv(CPUSPARCState *env, target_ulong src1, - target_ulong src2) -{ - SPARCCPU *cpu = sparc_env_get_cpu(env); - target_ulong dst; - - /* Tag overflow occurs if either input has bits 0 or 1 set. */ - if ((src1 | src2) & 3) { - goto tag_overflow; - } - - dst = src1 + src2; - - /* Tag overflow occurs if the addition overflows. */ - if (~(src1 ^ src2) & (src1 ^ dst) & (1u << 31)) { - goto tag_overflow; - } - - /* Only modify the CC after any exceptions have been generated. */ - env->cc_op = CC_OP_TADDTV; - env->cc_src = src1; - env->cc_src2 = src2; - env->cc_dst = dst; - return dst; - - tag_overflow: - cpu_restore_state(CPU(cpu), GETPC()); - helper_raise_exception(env, TT_TOVF); -} - -target_ulong helper_tsubcctv(CPUSPARCState *env, target_ulong src1, - target_ulong src2) -{ - SPARCCPU *cpu = sparc_env_get_cpu(env); - target_ulong dst; - - /* Tag overflow occurs if either input has bits 0 or 1 set. */ - if ((src1 | src2) & 3) { - goto tag_overflow; - } - - dst = src1 - src2; - - /* Tag overflow occurs if the subtraction overflows. */ - if ((src1 ^ src2) & (src1 ^ dst) & (1u << 31)) { - goto tag_overflow; - } - - /* Only modify the CC after any exceptions have been generated. */ - env->cc_op = CC_OP_TSUBTV; - env->cc_src = src1; - env->cc_src2 = src2; - env->cc_dst = dst; - return dst; - - tag_overflow: - cpu_restore_state(CPU(cpu), GETPC()); - helper_raise_exception(env, TT_TOVF); -} - -#ifndef TARGET_SPARC64 -void helper_power_down(CPUSPARCState *env) -{ - CPUState *cs = CPU(sparc_env_get_cpu(env)); - - cs->halted = 1; - cs->exception_index = EXCP_HLT; - env->pc = env->npc; - env->npc = env->pc + 4; - cpu_loop_exit(cs); -} -#endif -- cgit 1.2.3-korg