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author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/target-tilegx/helper.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (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-tilegx/helper.c')
-rw-r--r-- | qemu/target-tilegx/helper.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/qemu/target-tilegx/helper.c b/qemu/target-tilegx/helper.c deleted file mode 100644 index 616c5c7cf..000000000 --- a/qemu/target-tilegx/helper.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * QEMU TILE-Gx helpers - * - * Copyright (c) 2015 Chen Gang - * - * 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 2.1 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/lgpl-2.1.html> - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "qemu-common.h" -#include "exec/helper-proto.h" -#include <zlib.h> /* For crc32 */ -#include "syscall_defs.h" - -void helper_exception(CPUTLGState *env, uint32_t excp) -{ - CPUState *cs = CPU(tilegx_env_get_cpu(env)); - - cs->exception_index = excp; - cpu_loop_exit(cs); -} - -void helper_ext01_ics(CPUTLGState *env) -{ - uint64_t val = env->spregs[TILEGX_SPR_EX_CONTEXT_0_1]; - - switch (val) { - case 0: - case 1: - env->spregs[TILEGX_SPR_CRITICAL_SEC] = val; - break; - default: -#if defined(CONFIG_USER_ONLY) - env->signo = TARGET_SIGILL; - env->sigcode = TARGET_ILL_ILLOPC; - helper_exception(env, TILEGX_EXCP_SIGNAL); -#else - helper_exception(env, TILEGX_EXCP_OPCODE_UNIMPLEMENTED); -#endif - break; - } -} - -uint64_t helper_cntlz(uint64_t arg) -{ - return clz64(arg); -} - -uint64_t helper_cnttz(uint64_t arg) -{ - return ctz64(arg); -} - -uint64_t helper_pcnt(uint64_t arg) -{ - return ctpop64(arg); -} - -uint64_t helper_revbits(uint64_t arg) -{ - return revbit64(arg); -} - -/* - * Functional Description - * uint64_t a = rf[SrcA]; - * uint64_t b = rf[SrcB]; - * uint64_t d = rf[Dest]; - * uint64_t output = 0; - * unsigned int counter; - * for (counter = 0; counter < (WORD_SIZE / BYTE_SIZE); counter++) - * { - * int sel = getByte (b, counter) & 0xf; - * uint8_t byte = (sel < 8) ? getByte (d, sel) : getByte (a, (sel - 8)); - * output = setByte (output, counter, byte); - * } - * rf[Dest] = output; - */ -uint64_t helper_shufflebytes(uint64_t dest, uint64_t srca, uint64_t srcb) -{ - uint64_t vdst = 0; - int count; - - for (count = 0; count < 64; count += 8) { - uint64_t sel = srcb >> count; - uint64_t src = (sel & 8) ? srca : dest; - vdst |= extract64(src, (sel & 7) * 8, 8) << count; - } - - return vdst; -} - -uint64_t helper_crc32_8(uint64_t accum, uint64_t input) -{ - uint8_t buf = input; - - /* zlib crc32 converts the accumulator and output to one's complement. */ - return crc32(accum ^ 0xffffffff, &buf, 1) ^ 0xffffffff; -} - -uint64_t helper_crc32_32(uint64_t accum, uint64_t input) -{ - uint8_t buf[4]; - - stl_le_p(buf, input); - - /* zlib crc32 converts the accumulator and output to one's complement. */ - return crc32(accum ^ 0xffffffff, buf, 4) ^ 0xffffffff; -} - -uint64_t helper_cmula(uint64_t srcd, uint64_t srca, uint64_t srcb) -{ - uint32_t reala = (int16_t)srca; - uint32_t imaga = (int16_t)(srca >> 16); - uint32_t realb = (int16_t)srcb; - uint32_t imagb = (int16_t)(srcb >> 16); - uint32_t reald = srcd; - uint32_t imagd = srcd >> 32; - uint32_t realr = reala * realb - imaga * imagb + reald; - uint32_t imagr = reala * imagb + imaga * realb + imagd; - - return deposit64(realr, 32, 32, imagr); -} - -uint64_t helper_cmulaf(uint64_t srcd, uint64_t srca, uint64_t srcb) -{ - uint32_t reala = (int16_t)srca; - uint32_t imaga = (int16_t)(srca >> 16); - uint32_t realb = (int16_t)srcb; - uint32_t imagb = (int16_t)(srcb >> 16); - uint32_t reald = (int16_t)srcd; - uint32_t imagd = (int16_t)(srcd >> 16); - int32_t realr = reala * realb - imaga * imagb; - int32_t imagr = reala * imagb + imaga * realb; - - return deposit32((realr >> 15) + reald, 16, 16, (imagr >> 15) + imagd); -} - -uint64_t helper_cmul2(uint64_t srca, uint64_t srcb, int shift, int round) -{ - uint32_t reala = (int16_t)srca; - uint32_t imaga = (int16_t)(srca >> 16); - uint32_t realb = (int16_t)srcb; - uint32_t imagb = (int16_t)(srcb >> 16); - int32_t realr = reala * realb - imaga * imagb + round; - int32_t imagr = reala * imagb + imaga * realb + round; - - return deposit32(realr >> shift, 16, 16, imagr >> shift); -} |