From: Duncan Bellamy <dunk@denkimushi.com> To: dev@dpdk.org Cc: Duncan Bellamy <dunk@denkimushi.com> Subject: [PATCH v7] eal/ppc: fix compilation for musl Date: Sat, 14 May 2022 08:14:35 +0100 Message-ID: <20220514071435.3024492-1-dunk@denkimushi.com> (raw) In-Reply-To: <20220502142615.3705639-1-dunk@denkimushi.com> musl lacks __ppc_get_timebase() but has __builtin_ppc_get_timebase() Signed-off-by: Duncan Bellamy <dunk@denkimushi.com> --- lib/eal/ppc/include/rte_cycles.h | 7 ++++++ lib/eal/ppc/rte_cycles.c | 39 ++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) diff --git a/lib/eal/ppc/include/rte_cycles.h b/lib/eal/ppc/include/rte_cycles.h index 5585f9273c..666fc9b0bf 100644 --- a/lib/eal/ppc/include/rte_cycles.h +++ b/lib/eal/ppc/include/rte_cycles.h @@ -10,7 +10,10 @@ extern "C" { #endif +#include <features.h> +#ifdef __GLIBC__ #include <sys/platform/ppc.h> +#endif #include "generic/rte_cycles.h" @@ -26,7 +29,11 @@ extern "C" { static inline uint64_t rte_rdtsc(void) { +#ifdef __GLIBC__ return __ppc_get_timebase(); +#else + return __builtin_ppc_get_timebase(); +#endif } static inline uint64_t diff --git a/lib/eal/ppc/rte_cycles.c b/lib/eal/ppc/rte_cycles.c index 3180adb0ff..cd4bdff8b8 100644 --- a/lib/eal/ppc/rte_cycles.c +++ b/lib/eal/ppc/rte_cycles.c @@ -2,12 +2,51 @@ * Copyright (C) IBM Corporation 2019. */ +#include <features.h> +#ifdef __GLIBC__ #include <sys/platform/ppc.h> +#elif RTE_EXEC_ENV_LINUX +#include <string.h> +#include <stdio.h> +#endif #include "eal_private.h" uint64_t get_tsc_freq_arch(void) { +#ifdef __GLIBC__ return __ppc_get_timebase_freq(); +#elif RTE_EXEC_ENV_LINUX + static unsigned long base; + char buf[512]; + ssize_t nr; + FILE *f; + + if (base != 0) + goto out; + + f = fopen("/proc/cpuinfo", "rb"); + if (f == NULL) + goto out; + + while (fgets(buf, sizeof(buf), f) != NULL) { + char *ret = strstr(buf, "timebase"); + + if (ret == NULL) + continue; + ret += sizeof("timebase") - 1; + ret = strchr(ret, ':'); + if (ret == NULL) + continue; + base = strtoul(ret + 1, NULL, 10); + break; + } + fclose(f); +out: + return (uint64_t) base; +#else + return 0; +#endif + } -- 2.34.1
next prev parent reply other threads:[~2022-05-14 7:14 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <20220502115228.3AAAB1242D4@dpdk.org> 2022-05-02 14:26 ` [PATCH v2] lib/eal/ppc " Duncan Bellamy 2022-05-02 17:41 ` David Marchand 2022-05-02 20:18 ` Dunk 2022-05-02 17:42 ` David Christensen 2022-05-02 20:20 ` Dunk 2022-05-07 9:47 ` [PATCH v3] " Duncan Bellamy 2022-05-07 19:43 ` [PATCH v4] " Duncan Bellamy 2022-05-07 21:03 ` [PATCH v5] " Duncan Bellamy 2022-05-07 21:15 ` [PATCH v6] " Duncan Bellamy 2022-05-09 12:06 ` David Marchand 2022-05-09 22:39 ` Dunk 2022-05-14 7:14 ` Duncan Bellamy [this message] 2022-05-19 16:18 ` [PATCH v7] eal/ppc: " David Marchand 2022-05-31 17:24 ` David Christensen 2022-06-01 15:06 ` David Marchand
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