From: "Qiu, Michael" <michael.qiu@intel.com>
To: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 3/3] librte_eal/common: Fix redeclaration of enumerator ‘REG_EAX’
Date: Thu, 5 Mar 2015 13:23:42 +0000 [thread overview]
Message-ID: <533710CFB86FA344BFBF2D6802E60286CEEEA7@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <1425561339-13300-4-git-send-email-michael.qiu@intel.com>
On 3/5/2015 9:16 PM, Qiu, Michael wrote:
> include/rte_cpuflags.h:154:2: error: redeclaration of enumerator ‘REG_EAX’
> In file included from /usr/include/signal.h:358:0,
> from /usr/include/sys/wait.h:30,
> from /root/dpdk/app/test/test_mp_secondary.c:50:
> /usr/include/sys/ucontext.h:180:3: note: previous definition of ‘REG_EAX’ was here
>
> In i686, from REG_EAX to REG_EDX are all defined in
> /usr/include/sys/ucontext.h
>
> Rename to CPU_REG_EAX to avoid this issue.
>
> Signed-off-by: Michael Qou <michael.qiu@intel.com>
Sorry, Michael Qou--> Michael Qiu
Thanks,
Michael
> ---
> .../common/include/arch/x86/rte_cpuflags.h | 210 ++++++++++-----------
> 1 file changed, 105 insertions(+), 105 deletions(-)
>
> diff --git a/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h b/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
> index a58dd7b..f367b91 100644
> --- a/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
> +++ b/lib/librte_eal/common/include/arch/x86/rte_cpuflags.h
> @@ -151,104 +151,104 @@ enum rte_cpu_flag_t {
> };
>
> enum cpu_register_t {
> - REG_EAX = 0,
> - REG_EBX,
> - REG_ECX,
> - REG_EDX,
> + CPU_REG_EAX = 0,
> + CPU_REG_EBX,
> + CPU_REG_ECX,
> + CPU_REG_EDX,
> };
>
> static const struct feature_entry cpu_feature_table[] = {
> - FEAT_DEF(SSE3, 0x00000001, 0, REG_ECX, 0)
> - FEAT_DEF(PCLMULQDQ, 0x00000001, 0, REG_ECX, 1)
> - FEAT_DEF(DTES64, 0x00000001, 0, REG_ECX, 2)
> - FEAT_DEF(MONITOR, 0x00000001, 0, REG_ECX, 3)
> - FEAT_DEF(DS_CPL, 0x00000001, 0, REG_ECX, 4)
> - FEAT_DEF(VMX, 0x00000001, 0, REG_ECX, 5)
> - FEAT_DEF(SMX, 0x00000001, 0, REG_ECX, 6)
> - FEAT_DEF(EIST, 0x00000001, 0, REG_ECX, 7)
> - FEAT_DEF(TM2, 0x00000001, 0, REG_ECX, 8)
> - FEAT_DEF(SSSE3, 0x00000001, 0, REG_ECX, 9)
> - FEAT_DEF(CNXT_ID, 0x00000001, 0, REG_ECX, 10)
> - FEAT_DEF(FMA, 0x00000001, 0, REG_ECX, 12)
> - FEAT_DEF(CMPXCHG16B, 0x00000001, 0, REG_ECX, 13)
> - FEAT_DEF(XTPR, 0x00000001, 0, REG_ECX, 14)
> - FEAT_DEF(PDCM, 0x00000001, 0, REG_ECX, 15)
> - FEAT_DEF(PCID, 0x00000001, 0, REG_ECX, 17)
> - FEAT_DEF(DCA, 0x00000001, 0, REG_ECX, 18)
> - FEAT_DEF(SSE4_1, 0x00000001, 0, REG_ECX, 19)
> - FEAT_DEF(SSE4_2, 0x00000001, 0, REG_ECX, 20)
> - FEAT_DEF(X2APIC, 0x00000001, 0, REG_ECX, 21)
> - FEAT_DEF(MOVBE, 0x00000001, 0, REG_ECX, 22)
> - FEAT_DEF(POPCNT, 0x00000001, 0, REG_ECX, 23)
> - FEAT_DEF(TSC_DEADLINE, 0x00000001, 0, REG_ECX, 24)
> - FEAT_DEF(AES, 0x00000001, 0, REG_ECX, 25)
> - FEAT_DEF(XSAVE, 0x00000001, 0, REG_ECX, 26)
> - FEAT_DEF(OSXSAVE, 0x00000001, 0, REG_ECX, 27)
> - FEAT_DEF(AVX, 0x00000001, 0, REG_ECX, 28)
> - FEAT_DEF(F16C, 0x00000001, 0, REG_ECX, 29)
> - FEAT_DEF(RDRAND, 0x00000001, 0, REG_ECX, 30)
> -
> - FEAT_DEF(FPU, 0x00000001, 0, REG_EDX, 0)
> - FEAT_DEF(VME, 0x00000001, 0, REG_EDX, 1)
> - FEAT_DEF(DE, 0x00000001, 0, REG_EDX, 2)
> - FEAT_DEF(PSE, 0x00000001, 0, REG_EDX, 3)
> - FEAT_DEF(TSC, 0x00000001, 0, REG_EDX, 4)
> - FEAT_DEF(MSR, 0x00000001, 0, REG_EDX, 5)
> - FEAT_DEF(PAE, 0x00000001, 0, REG_EDX, 6)
> - FEAT_DEF(MCE, 0x00000001, 0, REG_EDX, 7)
> - FEAT_DEF(CX8, 0x00000001, 0, REG_EDX, 8)
> - FEAT_DEF(APIC, 0x00000001, 0, REG_EDX, 9)
> - FEAT_DEF(SEP, 0x00000001, 0, REG_EDX, 11)
> - FEAT_DEF(MTRR, 0x00000001, 0, REG_EDX, 12)
> - FEAT_DEF(PGE, 0x00000001, 0, REG_EDX, 13)
> - FEAT_DEF(MCA, 0x00000001, 0, REG_EDX, 14)
> - FEAT_DEF(CMOV, 0x00000001, 0, REG_EDX, 15)
> - FEAT_DEF(PAT, 0x00000001, 0, REG_EDX, 16)
> - FEAT_DEF(PSE36, 0x00000001, 0, REG_EDX, 17)
> - FEAT_DEF(PSN, 0x00000001, 0, REG_EDX, 18)
> - FEAT_DEF(CLFSH, 0x00000001, 0, REG_EDX, 19)
> - FEAT_DEF(DS, 0x00000001, 0, REG_EDX, 21)
> - FEAT_DEF(ACPI, 0x00000001, 0, REG_EDX, 22)
> - FEAT_DEF(MMX, 0x00000001, 0, REG_EDX, 23)
> - FEAT_DEF(FXSR, 0x00000001, 0, REG_EDX, 24)
> - FEAT_DEF(SSE, 0x00000001, 0, REG_EDX, 25)
> - FEAT_DEF(SSE2, 0x00000001, 0, REG_EDX, 26)
> - FEAT_DEF(SS, 0x00000001, 0, REG_EDX, 27)
> - FEAT_DEF(HTT, 0x00000001, 0, REG_EDX, 28)
> - FEAT_DEF(TM, 0x00000001, 0, REG_EDX, 29)
> - FEAT_DEF(PBE, 0x00000001, 0, REG_EDX, 31)
> -
> - FEAT_DEF(DIGTEMP, 0x00000006, 0, REG_EAX, 0)
> - FEAT_DEF(TRBOBST, 0x00000006, 0, REG_EAX, 1)
> - FEAT_DEF(ARAT, 0x00000006, 0, REG_EAX, 2)
> - FEAT_DEF(PLN, 0x00000006, 0, REG_EAX, 4)
> - FEAT_DEF(ECMD, 0x00000006, 0, REG_EAX, 5)
> - FEAT_DEF(PTM, 0x00000006, 0, REG_EAX, 6)
> -
> - FEAT_DEF(MPERF_APERF_MSR, 0x00000006, 0, REG_ECX, 0)
> - FEAT_DEF(ACNT2, 0x00000006, 0, REG_ECX, 1)
> - FEAT_DEF(ENERGY_EFF, 0x00000006, 0, REG_ECX, 3)
> -
> - FEAT_DEF(FSGSBASE, 0x00000007, 0, REG_EBX, 0)
> - FEAT_DEF(BMI1, 0x00000007, 0, REG_EBX, 2)
> - FEAT_DEF(HLE, 0x00000007, 0, REG_EBX, 4)
> - FEAT_DEF(AVX2, 0x00000007, 0, REG_EBX, 5)
> - FEAT_DEF(SMEP, 0x00000007, 0, REG_EBX, 6)
> - FEAT_DEF(BMI2, 0x00000007, 0, REG_EBX, 7)
> - FEAT_DEF(ERMS, 0x00000007, 0, REG_EBX, 8)
> - FEAT_DEF(INVPCID, 0x00000007, 0, REG_EBX, 10)
> - FEAT_DEF(RTM, 0x00000007, 0, REG_EBX, 11)
> -
> - FEAT_DEF(LAHF_SAHF, 0x80000001, 0, REG_ECX, 0)
> - FEAT_DEF(LZCNT, 0x80000001, 0, REG_ECX, 4)
> -
> - FEAT_DEF(SYSCALL, 0x80000001, 0, REG_EDX, 11)
> - FEAT_DEF(XD, 0x80000001, 0, REG_EDX, 20)
> - FEAT_DEF(1GB_PG, 0x80000001, 0, REG_EDX, 26)
> - FEAT_DEF(RDTSCP, 0x80000001, 0, REG_EDX, 27)
> - FEAT_DEF(EM64T, 0x80000001, 0, REG_EDX, 29)
> -
> - FEAT_DEF(INVTSC, 0x80000007, 0, REG_EDX, 8)
> + FEAT_DEF(SSE3, 0x00000001, 0, CPU_REG_ECX, 0)
> + FEAT_DEF(PCLMULQDQ, 0x00000001, 0, CPU_REG_ECX, 1)
> + FEAT_DEF(DTES64, 0x00000001, 0, CPU_REG_ECX, 2)
> + FEAT_DEF(MONITOR, 0x00000001, 0, CPU_REG_ECX, 3)
> + FEAT_DEF(DS_CPL, 0x00000001, 0, CPU_REG_ECX, 4)
> + FEAT_DEF(VMX, 0x00000001, 0, CPU_REG_ECX, 5)
> + FEAT_DEF(SMX, 0x00000001, 0, CPU_REG_ECX, 6)
> + FEAT_DEF(EIST, 0x00000001, 0, CPU_REG_ECX, 7)
> + FEAT_DEF(TM2, 0x00000001, 0, CPU_REG_ECX, 8)
> + FEAT_DEF(SSSE3, 0x00000001, 0, CPU_REG_ECX, 9)
> + FEAT_DEF(CNXT_ID, 0x00000001, 0, CPU_REG_ECX, 10)
> + FEAT_DEF(FMA, 0x00000001, 0, CPU_REG_ECX, 12)
> + FEAT_DEF(CMPXCHG16B, 0x00000001, 0, CPU_REG_ECX, 13)
> + FEAT_DEF(XTPR, 0x00000001, 0, CPU_REG_ECX, 14)
> + FEAT_DEF(PDCM, 0x00000001, 0, CPU_REG_ECX, 15)
> + FEAT_DEF(PCID, 0x00000001, 0, CPU_REG_ECX, 17)
> + FEAT_DEF(DCA, 0x00000001, 0, CPU_REG_ECX, 18)
> + FEAT_DEF(SSE4_1, 0x00000001, 0, CPU_REG_ECX, 19)
> + FEAT_DEF(SSE4_2, 0x00000001, 0, CPU_REG_ECX, 20)
> + FEAT_DEF(X2APIC, 0x00000001, 0, CPU_REG_ECX, 21)
> + FEAT_DEF(MOVBE, 0x00000001, 0, CPU_REG_ECX, 22)
> + FEAT_DEF(POPCNT, 0x00000001, 0, CPU_REG_ECX, 23)
> + FEAT_DEF(TSC_DEADLINE, 0x00000001, 0, CPU_REG_ECX, 24)
> + FEAT_DEF(AES, 0x00000001, 0, CPU_REG_ECX, 25)
> + FEAT_DEF(XSAVE, 0x00000001, 0, CPU_REG_ECX, 26)
> + FEAT_DEF(OSXSAVE, 0x00000001, 0, CPU_REG_ECX, 27)
> + FEAT_DEF(AVX, 0x00000001, 0, CPU_REG_ECX, 28)
> + FEAT_DEF(F16C, 0x00000001, 0, CPU_REG_ECX, 29)
> + FEAT_DEF(RDRAND, 0x00000001, 0, CPU_REG_ECX, 30)
> +
> + FEAT_DEF(FPU, 0x00000001, 0, CPU_REG_EDX, 0)
> + FEAT_DEF(VME, 0x00000001, 0, CPU_REG_EDX, 1)
> + FEAT_DEF(DE, 0x00000001, 0, CPU_REG_EDX, 2)
> + FEAT_DEF(PSE, 0x00000001, 0, CPU_REG_EDX, 3)
> + FEAT_DEF(TSC, 0x00000001, 0, CPU_REG_EDX, 4)
> + FEAT_DEF(MSR, 0x00000001, 0, CPU_REG_EDX, 5)
> + FEAT_DEF(PAE, 0x00000001, 0, CPU_REG_EDX, 6)
> + FEAT_DEF(MCE, 0x00000001, 0, CPU_REG_EDX, 7)
> + FEAT_DEF(CX8, 0x00000001, 0, CPU_REG_EDX, 8)
> + FEAT_DEF(APIC, 0x00000001, 0, CPU_REG_EDX, 9)
> + FEAT_DEF(SEP, 0x00000001, 0, CPU_REG_EDX, 11)
> + FEAT_DEF(MTRR, 0x00000001, 0, CPU_REG_EDX, 12)
> + FEAT_DEF(PGE, 0x00000001, 0, CPU_REG_EDX, 13)
> + FEAT_DEF(MCA, 0x00000001, 0, CPU_REG_EDX, 14)
> + FEAT_DEF(CMOV, 0x00000001, 0, CPU_REG_EDX, 15)
> + FEAT_DEF(PAT, 0x00000001, 0, CPU_REG_EDX, 16)
> + FEAT_DEF(PSE36, 0x00000001, 0, CPU_REG_EDX, 17)
> + FEAT_DEF(PSN, 0x00000001, 0, CPU_REG_EDX, 18)
> + FEAT_DEF(CLFSH, 0x00000001, 0, CPU_REG_EDX, 19)
> + FEAT_DEF(DS, 0x00000001, 0, CPU_REG_EDX, 21)
> + FEAT_DEF(ACPI, 0x00000001, 0, CPU_REG_EDX, 22)
> + FEAT_DEF(MMX, 0x00000001, 0, CPU_REG_EDX, 23)
> + FEAT_DEF(FXSR, 0x00000001, 0, CPU_REG_EDX, 24)
> + FEAT_DEF(SSE, 0x00000001, 0, CPU_REG_EDX, 25)
> + FEAT_DEF(SSE2, 0x00000001, 0, CPU_REG_EDX, 26)
> + FEAT_DEF(SS, 0x00000001, 0, CPU_REG_EDX, 27)
> + FEAT_DEF(HTT, 0x00000001, 0, CPU_REG_EDX, 28)
> + FEAT_DEF(TM, 0x00000001, 0, CPU_REG_EDX, 29)
> + FEAT_DEF(PBE, 0x00000001, 0, CPU_REG_EDX, 31)
> +
> + FEAT_DEF(DIGTEMP, 0x00000006, 0, CPU_REG_EAX, 0)
> + FEAT_DEF(TRBOBST, 0x00000006, 0, CPU_REG_EAX, 1)
> + FEAT_DEF(ARAT, 0x00000006, 0, CPU_REG_EAX, 2)
> + FEAT_DEF(PLN, 0x00000006, 0, CPU_REG_EAX, 4)
> + FEAT_DEF(ECMD, 0x00000006, 0, CPU_REG_EAX, 5)
> + FEAT_DEF(PTM, 0x00000006, 0, CPU_REG_EAX, 6)
> +
> + FEAT_DEF(MPERF_APERF_MSR, 0x00000006, 0, CPU_REG_ECX, 0)
> + FEAT_DEF(ACNT2, 0x00000006, 0, CPU_REG_ECX, 1)
> + FEAT_DEF(ENERGY_EFF, 0x00000006, 0, CPU_REG_ECX, 3)
> +
> + FEAT_DEF(FSGSBASE, 0x00000007, 0, CPU_REG_EBX, 0)
> + FEAT_DEF(BMI1, 0x00000007, 0, CPU_REG_EBX, 2)
> + FEAT_DEF(HLE, 0x00000007, 0, CPU_REG_EBX, 4)
> + FEAT_DEF(AVX2, 0x00000007, 0, CPU_REG_EBX, 5)
> + FEAT_DEF(SMEP, 0x00000007, 0, CPU_REG_EBX, 6)
> + FEAT_DEF(BMI2, 0x00000007, 0, CPU_REG_EBX, 7)
> + FEAT_DEF(ERMS, 0x00000007, 0, CPU_REG_EBX, 8)
> + FEAT_DEF(INVPCID, 0x00000007, 0, CPU_REG_EBX, 10)
> + FEAT_DEF(RTM, 0x00000007, 0, CPU_REG_EBX, 11)
> +
> + FEAT_DEF(LAHF_SAHF, 0x80000001, 0, CPU_REG_ECX, 0)
> + FEAT_DEF(LZCNT, 0x80000001, 0, CPU_REG_ECX, 4)
> +
> + FEAT_DEF(SYSCALL, 0x80000001, 0, CPU_REG_EDX, 11)
> + FEAT_DEF(XD, 0x80000001, 0, CPU_REG_EDX, 20)
> + FEAT_DEF(1GB_PG, 0x80000001, 0, CPU_REG_EDX, 26)
> + FEAT_DEF(RDTSCP, 0x80000001, 0, CPU_REG_EDX, 27)
> + FEAT_DEF(EM64T, 0x80000001, 0, CPU_REG_EDX, 29)
> +
> + FEAT_DEF(INVTSC, 0x80000007, 0, CPU_REG_EDX, 8)
> };
>
> static inline void
> @@ -257,18 +257,18 @@ rte_cpu_get_features(uint32_t leaf, uint32_t subleaf, cpuid_registers_t out)
> #if defined(__i386__) && defined(__PIC__)
> /* %ebx is a forbidden register if we compile with -fPIC or -fPIE */
> asm volatile("movl %%ebx,%0 ; cpuid ; xchgl %%ebx,%0"
> - : "=r" (out[REG_EBX]),
> - "=a" (out[REG_EAX]),
> - "=c" (out[REG_ECX]),
> - "=d" (out[REG_EDX])
> + : "=r" (out[CPU_REG_EBX]),
> + "=a" (out[CPU_REG_EAX]),
> + "=c" (out[CPU_REG_ECX]),
> + "=d" (out[CPU_REG_EDX])
> : "a" (leaf), "c" (subleaf));
> #else
>
> asm volatile("cpuid"
> - : "=a" (out[REG_EAX]),
> - "=b" (out[REG_EBX]),
> - "=c" (out[REG_ECX]),
> - "=d" (out[REG_EDX])
> + : "=a" (out[CPU_REG_EAX]),
> + "=b" (out[CPU_REG_EBX]),
> + "=c" (out[CPU_REG_ECX]),
> + "=d" (out[CPU_REG_EDX])
> : "a" (leaf), "c" (subleaf));
>
> #endif
> @@ -292,8 +292,8 @@ rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature)
> return -EFAULT;
>
> rte_cpu_get_features(feat->leaf & 0xffff0000, 0, regs);
> - if (((regs[REG_EAX] ^ feat->leaf) & 0xffff0000) ||
> - regs[REG_EAX] < feat->leaf)
> + if (((regs[CPU_REG_EAX] ^ feat->leaf) & 0xffff0000) ||
> + regs[CPU_REG_EAX] < feat->leaf)
> return 0;
>
> /* get the cpuid leaf containing the desired feature */
next prev parent reply other threads:[~2015-03-05 13:23 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-05 13:15 [dpdk-dev] [PATCH 0/3] dpdk2.0-rc1 build error fix Michael Qiu
2015-03-05 13:15 ` [dpdk-dev] [PATCH 1/3] librte_hash: Fix unsupported instruction `crc32' in i686 platform Michael Qiu
2015-03-05 16:10 ` Yerden Zhumabekov
2015-03-05 16:34 ` Qiu, Michael
2015-03-05 16:55 ` [dpdk-dev] [PATCH 1/3 v2] " Michael Qiu
2015-03-05 17:02 ` Yerden Zhumabekov
2015-03-05 17:10 ` Thomas Monjalon
2015-03-06 1:39 ` Qiu, Michael
2015-03-07 18:39 ` Thomas Monjalon
2015-03-10 3:55 ` Yerden Zhumabekov
2015-03-19 2:00 ` Qiu, Michael
2015-03-19 8:10 ` Thomas Monjalon
2015-03-09 5:58 ` [dpdk-dev] [PATCH 1/3 v3] " Michael Qiu
2015-03-18 13:20 ` Liu, Yong
2015-03-18 14:59 ` Qiu, Michael
2015-03-05 13:15 ` [dpdk-dev] [PATCH 2/3] app/test: Fix size_t printf formart issue Michael Qiu
2015-03-05 13:22 ` Bruce Richardson
2015-03-05 14:00 ` [dpdk-dev] [PATCH 2/3 v2] app/test: Fix size_t printf format issue Michael Qiu
2015-03-05 17:27 ` Thomas Monjalon
2015-03-06 1:42 ` Qiu, Michael
2015-03-06 3:53 ` [dpdk-dev] [PATCH 2/3 v3] " Michael Qiu
2015-03-05 13:15 ` [dpdk-dev] [PATCH 3/3] librte_eal/common: Fix redeclaration of enumerator ‘REG_EAX’ Michael Qiu
2015-03-05 13:23 ` Bruce Richardson
2015-03-05 13:36 ` David Marchand
2015-03-05 13:54 ` Qiu, Michael
2015-03-05 13:41 ` Qiu, Michael
2015-03-05 13:23 ` Qiu, Michael [this message]
2015-03-05 13:50 ` [dpdk-dev] [PATCH 3/3 v2] =?UTF-8?q?librte=5Feal/common:=20Fix=20redeclaration=20of?= =?UTF-8?q?=20enumerator=20=E2=80=98REG=5FEAX=E2=80=99?= Michael Qiu
2015-03-05 13:54 ` [dpdk-dev] [PATCH 3/3 v2] librte_eal/common: Fix redeclaration of enumerator ‘REG_EAX’ David Marchand
2015-03-05 14:03 ` Qiu, Michael
2015-03-05 14:38 ` Thomas Monjalon
2015-03-05 16:31 ` Qiu, Michael
2015-03-05 18:24 ` Thomas Monjalon
2015-03-05 13:57 ` [dpdk-dev] [PATCH 3/3 v3] =?UTF-8?q?librte=5Feal/common:=20Fix=20redeclaration=20of?= =?UTF-8?q?=20enumerator=20=E2=80=98REG=5FEAX=E2=80=99?= Michael Qiu
2015-03-06 6:28 ` [dpdk-dev] [PATCH 3/3 v3] librte_eal/common: Fix redeclaration of enumerator ‘REG_EAX’ David Marchand
2015-03-09 17:04 ` [dpdk-dev] [PATCH 0/3] dpdk2.0-rc1 build error fix Thomas Monjalon
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