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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/target-microblaze/op_helper.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
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<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/target-microblaze/op_helper.c')
-rw-r--r--qemu/target-microblaze/op_helper.c520
1 files changed, 0 insertions, 520 deletions
diff --git a/qemu/target-microblaze/op_helper.c b/qemu/target-microblaze/op_helper.c
deleted file mode 100644
index 97333881f..000000000
--- a/qemu/target-microblaze/op_helper.c
+++ /dev/null
@@ -1,520 +0,0 @@
-/*
- * Microblaze helper routines.
- *
- * Copyright (c) 2009 Edgar E. Iglesias <edgar.iglesias@gmail.com>.
- * Copyright (c) 2009-2012 PetaLogix Qld Pty Ltd.
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "cpu.h"
-#include "exec/helper-proto.h"
-#include "qemu/host-utils.h"
-#include "exec/cpu_ldst.h"
-
-#define D(x)
-
-#if !defined(CONFIG_USER_ONLY)
-
-/* Try to fill the TLB and return an exception if error. If retaddr is
- * NULL, it means that the function was called in C code (i.e. not
- * from generated code or from helper.c)
- */
-void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
- uintptr_t retaddr)
-{
- int ret;
-
- ret = mb_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
- if (unlikely(ret)) {
- if (retaddr) {
- /* now we have a real cpu fault */
- cpu_restore_state(cs, retaddr);
- }
- cpu_loop_exit(cs);
- }
-}
-#endif
-
-void helper_put(uint32_t id, uint32_t ctrl, uint32_t data)
-{
- int test = ctrl & STREAM_TEST;
- int atomic = ctrl & STREAM_ATOMIC;
- int control = ctrl & STREAM_CONTROL;
- int nonblock = ctrl & STREAM_NONBLOCK;
- int exception = ctrl & STREAM_EXCEPTION;
-
- qemu_log_mask(LOG_UNIMP, "Unhandled stream put to stream-id=%d data=%x %s%s%s%s%s\n",
- id, data,
- test ? "t" : "",
- nonblock ? "n" : "",
- exception ? "e" : "",
- control ? "c" : "",
- atomic ? "a" : "");
-}
-
-uint32_t helper_get(uint32_t id, uint32_t ctrl)
-{
- int test = ctrl & STREAM_TEST;
- int atomic = ctrl & STREAM_ATOMIC;
- int control = ctrl & STREAM_CONTROL;
- int nonblock = ctrl & STREAM_NONBLOCK;
- int exception = ctrl & STREAM_EXCEPTION;
-
- qemu_log_mask(LOG_UNIMP, "Unhandled stream get from stream-id=%d %s%s%s%s%s\n",
- id,
- test ? "t" : "",
- nonblock ? "n" : "",
- exception ? "e" : "",
- control ? "c" : "",
- atomic ? "a" : "");
- return 0xdead0000 | id;
-}
-
-void helper_raise_exception(CPUMBState *env, uint32_t index)
-{
- CPUState *cs = CPU(mb_env_get_cpu(env));
-
- cs->exception_index = index;
- cpu_loop_exit(cs);
-}
-
-void helper_debug(CPUMBState *env)
-{
- int i;
-
- qemu_log("PC=%8.8x\n", env->sregs[SR_PC]);
- qemu_log("rmsr=%x resr=%x rear=%x debug[%x] imm=%x iflags=%x\n",
- env->sregs[SR_MSR], env->sregs[SR_ESR], env->sregs[SR_EAR],
- env->debug, env->imm, env->iflags);
- qemu_log("btaken=%d btarget=%x mode=%s(saved=%s) eip=%d ie=%d\n",
- env->btaken, env->btarget,
- (env->sregs[SR_MSR] & MSR_UM) ? "user" : "kernel",
- (env->sregs[SR_MSR] & MSR_UMS) ? "user" : "kernel",
- (env->sregs[SR_MSR] & MSR_EIP),
- (env->sregs[SR_MSR] & MSR_IE));
- for (i = 0; i < 32; i++) {
- qemu_log("r%2.2d=%8.8x ", i, env->regs[i]);
- if ((i + 1) % 4 == 0)
- qemu_log("\n");
- }
- qemu_log("\n\n");
-}
-
-static inline uint32_t compute_carry(uint32_t a, uint32_t b, uint32_t cin)
-{
- uint32_t cout = 0;
-
- if ((b == ~0) && cin)
- cout = 1;
- else if ((~0 - a) < (b + cin))
- cout = 1;
- return cout;
-}
-
-uint32_t helper_cmp(uint32_t a, uint32_t b)
-{
- uint32_t t;
-
- t = b + ~a + 1;
- if ((b & 0x80000000) ^ (a & 0x80000000))
- t = (t & 0x7fffffff) | (b & 0x80000000);
- return t;
-}
-
-uint32_t helper_cmpu(uint32_t a, uint32_t b)
-{
- uint32_t t;
-
- t = b + ~a + 1;
- if ((b & 0x80000000) ^ (a & 0x80000000))
- t = (t & 0x7fffffff) | (a & 0x80000000);
- return t;
-}
-
-uint32_t helper_clz(uint32_t t0)
-{
- return clz32(t0);
-}
-
-uint32_t helper_carry(uint32_t a, uint32_t b, uint32_t cf)
-{
- return compute_carry(a, b, cf);
-}
-
-static inline int div_prepare(CPUMBState *env, uint32_t a, uint32_t b)
-{
- if (b == 0) {
- env->sregs[SR_MSR] |= MSR_DZ;
-
- if ((env->sregs[SR_MSR] & MSR_EE)
- && !(env->pvr.regs[2] & PVR2_DIV_ZERO_EXC_MASK)) {
- env->sregs[SR_ESR] = ESR_EC_DIVZERO;
- helper_raise_exception(env, EXCP_HW_EXCP);
- }
- return 0;
- }
- env->sregs[SR_MSR] &= ~MSR_DZ;
- return 1;
-}
-
-uint32_t helper_divs(CPUMBState *env, uint32_t a, uint32_t b)
-{
- if (!div_prepare(env, a, b)) {
- return 0;
- }
- return (int32_t)a / (int32_t)b;
-}
-
-uint32_t helper_divu(CPUMBState *env, uint32_t a, uint32_t b)
-{
- if (!div_prepare(env, a, b)) {
- return 0;
- }
- return a / b;
-}
-
-/* raise FPU exception. */
-static void raise_fpu_exception(CPUMBState *env)
-{
- env->sregs[SR_ESR] = ESR_EC_FPU;
- helper_raise_exception(env, EXCP_HW_EXCP);
-}
-
-static void update_fpu_flags(CPUMBState *env, int flags)
-{
- int raise = 0;
-
- if (flags & float_flag_invalid) {
- env->sregs[SR_FSR] |= FSR_IO;
- raise = 1;
- }
- if (flags & float_flag_divbyzero) {
- env->sregs[SR_FSR] |= FSR_DZ;
- raise = 1;
- }
- if (flags & float_flag_overflow) {
- env->sregs[SR_FSR] |= FSR_OF;
- raise = 1;
- }
- if (flags & float_flag_underflow) {
- env->sregs[SR_FSR] |= FSR_UF;
- raise = 1;
- }
- if (raise
- && (env->pvr.regs[2] & PVR2_FPU_EXC_MASK)
- && (env->sregs[SR_MSR] & MSR_EE)) {
- raise_fpu_exception(env);
- }
-}
-
-uint32_t helper_fadd(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fd, fa, fb;
- int flags;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- fb.l = b;
- fd.f = float32_add(fa.f, fb.f, &env->fp_status);
-
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
- return fd.l;
-}
-
-uint32_t helper_frsub(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fd, fa, fb;
- int flags;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- fb.l = b;
- fd.f = float32_sub(fb.f, fa.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
- return fd.l;
-}
-
-uint32_t helper_fmul(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fd, fa, fb;
- int flags;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- fb.l = b;
- fd.f = float32_mul(fa.f, fb.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
-
- return fd.l;
-}
-
-uint32_t helper_fdiv(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fd, fa, fb;
- int flags;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- fb.l = b;
- fd.f = float32_div(fb.f, fa.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
-
- return fd.l;
-}
-
-uint32_t helper_fcmp_un(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fa, fb;
- uint32_t r = 0;
-
- fa.l = a;
- fb.l = b;
-
- if (float32_is_signaling_nan(fa.f) || float32_is_signaling_nan(fb.f)) {
- update_fpu_flags(env, float_flag_invalid);
- r = 1;
- }
-
- if (float32_is_quiet_nan(fa.f) || float32_is_quiet_nan(fb.f)) {
- r = 1;
- }
-
- return r;
-}
-
-uint32_t helper_fcmp_lt(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fa, fb;
- int r;
- int flags;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- fb.l = b;
- r = float32_lt(fb.f, fa.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
-
- return r;
-}
-
-uint32_t helper_fcmp_eq(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fa, fb;
- int flags;
- int r;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- fb.l = b;
- r = float32_eq_quiet(fa.f, fb.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
-
- return r;
-}
-
-uint32_t helper_fcmp_le(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fa, fb;
- int flags;
- int r;
-
- fa.l = a;
- fb.l = b;
- set_float_exception_flags(0, &env->fp_status);
- r = float32_le(fa.f, fb.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
-
-
- return r;
-}
-
-uint32_t helper_fcmp_gt(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fa, fb;
- int flags, r;
-
- fa.l = a;
- fb.l = b;
- set_float_exception_flags(0, &env->fp_status);
- r = float32_lt(fa.f, fb.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
- return r;
-}
-
-uint32_t helper_fcmp_ne(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fa, fb;
- int flags, r;
-
- fa.l = a;
- fb.l = b;
- set_float_exception_flags(0, &env->fp_status);
- r = !float32_eq_quiet(fa.f, fb.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
-
- return r;
-}
-
-uint32_t helper_fcmp_ge(CPUMBState *env, uint32_t a, uint32_t b)
-{
- CPU_FloatU fa, fb;
- int flags, r;
-
- fa.l = a;
- fb.l = b;
- set_float_exception_flags(0, &env->fp_status);
- r = !float32_lt(fa.f, fb.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags & float_flag_invalid);
-
- return r;
-}
-
-uint32_t helper_flt(CPUMBState *env, uint32_t a)
-{
- CPU_FloatU fd, fa;
-
- fa.l = a;
- fd.f = int32_to_float32(fa.l, &env->fp_status);
- return fd.l;
-}
-
-uint32_t helper_fint(CPUMBState *env, uint32_t a)
-{
- CPU_FloatU fa;
- uint32_t r;
- int flags;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- r = float32_to_int32(fa.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
-
- return r;
-}
-
-uint32_t helper_fsqrt(CPUMBState *env, uint32_t a)
-{
- CPU_FloatU fd, fa;
- int flags;
-
- set_float_exception_flags(0, &env->fp_status);
- fa.l = a;
- fd.l = float32_sqrt(fa.f, &env->fp_status);
- flags = get_float_exception_flags(&env->fp_status);
- update_fpu_flags(env, flags);
-
- return fd.l;
-}
-
-uint32_t helper_pcmpbf(uint32_t a, uint32_t b)
-{
- unsigned int i;
- uint32_t mask = 0xff000000;
-
- for (i = 0; i < 4; i++) {
- if ((a & mask) == (b & mask))
- return i + 1;
- mask >>= 8;
- }
- return 0;
-}
-
-void helper_memalign(CPUMBState *env, uint32_t addr, uint32_t dr, uint32_t wr,
- uint32_t mask)
-{
- if (addr & mask) {
- qemu_log_mask(CPU_LOG_INT,
- "unaligned access addr=%x mask=%x, wr=%d dr=r%d\n",
- addr, mask, wr, dr);
- env->sregs[SR_EAR] = addr;
- env->sregs[SR_ESR] = ESR_EC_UNALIGNED_DATA | (wr << 10) \
- | (dr & 31) << 5;
- if (mask == 3) {
- env->sregs[SR_ESR] |= 1 << 11;
- }
- if (!(env->sregs[SR_MSR] & MSR_EE)) {
- return;
- }
- helper_raise_exception(env, EXCP_HW_EXCP);
- }
-}
-
-void helper_stackprot(CPUMBState *env, uint32_t addr)
-{
- if (addr < env->slr || addr > env->shr) {
- qemu_log_mask(CPU_LOG_INT, "Stack protector violation at %x %x %x\n",
- addr, env->slr, env->shr);
- env->sregs[SR_EAR] = addr;
- env->sregs[SR_ESR] = ESR_EC_STACKPROT;
- helper_raise_exception(env, EXCP_HW_EXCP);
- }
-}
-
-#if !defined(CONFIG_USER_ONLY)
-/* Writes/reads to the MMU's special regs end up here. */
-uint32_t helper_mmu_read(CPUMBState *env, uint32_t rn)
-{
- return mmu_read(env, rn);
-}
-
-void helper_mmu_write(CPUMBState *env, uint32_t rn, uint32_t v)
-{
- mmu_write(env, rn, v);
-}
-
-void mb_cpu_unassigned_access(CPUState *cs, hwaddr addr,
- bool is_write, bool is_exec, int is_asi,
- unsigned size)
-{
- MicroBlazeCPU *cpu;
- CPUMBState *env;
-
- qemu_log_mask(CPU_LOG_INT, "Unassigned " TARGET_FMT_plx " wr=%d exe=%d\n",
- addr, is_write ? 1 : 0, is_exec ? 1 : 0);
- if (cs == NULL) {
- return;
- }
- cpu = MICROBLAZE_CPU(cs);
- env = &cpu->env;
- if (!(env->sregs[SR_MSR] & MSR_EE)) {
- return;
- }
-
- env->sregs[SR_EAR] = addr;
- if (is_exec) {
- if ((env->pvr.regs[2] & PVR2_IOPB_BUS_EXC_MASK)) {
- env->sregs[SR_ESR] = ESR_EC_INSN_BUS;
- helper_raise_exception(env, EXCP_HW_EXCP);
- }
- } else {
- if ((env->pvr.regs[2] & PVR2_DOPB_BUS_EXC_MASK)) {
- env->sregs[SR_ESR] = ESR_EC_DATA_BUS;
- helper_raise_exception(env, EXCP_HW_EXCP);
- }
- }
-}
-#endif