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From: Peter Bergner <bergner@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] powerpc: Placeholder and infrastructure/build support to add Power11 related changes. Date: Wed, 20 Mar 2024 02:12:49 +0000 (GMT) [thread overview] Message-ID: <20240320021249.E650F3858D1E@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1ea051145612f199d8716ecdf78b084b00b5a727 commit 1ea051145612f199d8716ecdf78b084b00b5a727 Author: Amrita H S <amritahs@linux.ibm.com> Date: Tue Mar 19 19:08:47 2024 -0500 powerpc: Placeholder and infrastructure/build support to add Power11 related changes. The following three changes have been added to provide initial Power11 support. 1. Add the directories to hold Power11 files. 2. Add support to select Power11 libraries based on AT_PLATFORM. 3. Let submachine=power11 be set automatically. Reviewed-by: Florian Weimer <fweimer@redhat.com> Reviewed-by: Peter Bergner <bergner@linux.ibm.com> Diff: --- sysdeps/powerpc/dl-procinfo.h | 8 +++++++- sysdeps/powerpc/powerpc32/power11/Implies | 2 ++ sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies | 1 + sysdeps/powerpc/powerpc32/power11/multiarch/Implies | 1 + sysdeps/powerpc/powerpc64/be/power11/Implies | 2 ++ sysdeps/powerpc/powerpc64/be/power11/fpu/Implies | 1 + sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies | 1 + sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies | 1 + sysdeps/powerpc/powerpc64/le/power11/Implies | 2 ++ sysdeps/powerpc/powerpc64/le/power11/fpu/Implies | 1 + sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies | 1 + sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies | 1 + sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c | 6 ++++-- sysdeps/powerpc/preconfigure | 2 +- sysdeps/powerpc/preconfigure.ac | 2 +- 15 files changed, 27 insertions(+), 5 deletions(-) diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h index f8cb343877..b36697ba44 100644 --- a/sysdeps/powerpc/dl-procinfo.h +++ b/sysdeps/powerpc/dl-procinfo.h @@ -38,7 +38,7 @@ #define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \ + PPC_FEATURE_HAS_DFP) -#define _DL_PLATFORMS_COUNT 16 +#define _DL_PLATFORMS_COUNT 17 #define _DL_FIRST_PLATFORM 32 /* Mask to filter out platforms. */ @@ -62,6 +62,7 @@ #define PPC_PLATFORM_POWER8 13 #define PPC_PLATFORM_POWER9 14 #define PPC_PLATFORM_POWER10 15 +#define PPC_PLATFORM_POWER11 16 static inline const char * __attribute__ ((unused)) @@ -89,6 +90,11 @@ _dl_string_platform (const char *str) ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER10; str++; } + else if (str[1] == '1') + { + ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER11; + str++; + } else return -1; break; diff --git a/sysdeps/powerpc/powerpc32/power11/Implies b/sysdeps/powerpc/powerpc32/power11/Implies new file mode 100644 index 0000000000..051cbe0f79 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power11/Implies @@ -0,0 +1,2 @@ +powerpc/powerpc32/power10/fpu +powerpc/powerpc32/power10 diff --git a/sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies new file mode 100644 index 0000000000..58edb2861d --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc32/power10/fpu/multiarch diff --git a/sysdeps/powerpc/powerpc32/power11/multiarch/Implies b/sysdeps/powerpc/powerpc32/power11/multiarch/Implies new file mode 100644 index 0000000000..c70f0428ba --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power11/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc32/power10/multiarch diff --git a/sysdeps/powerpc/powerpc64/be/power11/Implies b/sysdeps/powerpc/powerpc64/be/power11/Implies new file mode 100644 index 0000000000..de481d1c13 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/be/power11/Implies @@ -0,0 +1,2 @@ +powerpc/powerpc64/be/power10/fpu +powerpc/powerpc64/be/power10 diff --git a/sysdeps/powerpc/powerpc64/be/power11/fpu/Implies b/sysdeps/powerpc/powerpc64/be/power11/fpu/Implies new file mode 100644 index 0000000000..dff0e13064 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/be/power11/fpu/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/be/power10/fpu diff --git a/sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies new file mode 100644 index 0000000000..c3f259e009 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/be/power10/fpu/multiarch diff --git a/sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies b/sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies new file mode 100644 index 0000000000..9491a394c9 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/be/power10/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power11/Implies b/sysdeps/powerpc/powerpc64/le/power11/Implies new file mode 100644 index 0000000000..e18182dcc1 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power11/Implies @@ -0,0 +1,2 @@ +powerpc/powerpc64/le/power10/fpu +powerpc/powerpc64/le/power10 diff --git a/sysdeps/powerpc/powerpc64/le/power11/fpu/Implies b/sysdeps/powerpc/powerpc64/le/power11/fpu/Implies new file mode 100644 index 0000000000..e41bd55684 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power11/fpu/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/power10/fpu diff --git a/sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies new file mode 100644 index 0000000000..c838d50931 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/power10/fpu/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies b/sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies new file mode 100644 index 0000000000..687248c3c2 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies @@ -0,0 +1 @@ +powerpc/powerpc64/le/power10/multiarch diff --git a/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c b/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c index 77465d9133..65d3e69303 100644 --- a/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c +++ b/sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c @@ -36,9 +36,11 @@ compute_level (void) return 9; if (strcmp (platform, "power10") == 0) return 10; + if (strcmp (platform, "power11") == 0) + return 11; printf ("warning: unrecognized AT_PLATFORM value: %s\n", platform); - /* Assume that the new platform supports POWER10. */ - return 10; + /* Assume that the new platform supports POWER11. */ + return 11; } static int diff --git a/sysdeps/powerpc/preconfigure b/sysdeps/powerpc/preconfigure index 4de94089a3..9e5a07ab6d 100644 --- a/sysdeps/powerpc/preconfigure +++ b/sysdeps/powerpc/preconfigure @@ -58,7 +58,7 @@ fi ;; - a2|970|power[4-9]|power5x|power6+|power10) + a2|970|power[4-9]|power5x|power6+|power10|power11) submachine=${archcpu} if test ${libc_cv_cc_submachine+y} then : diff --git a/sysdeps/powerpc/preconfigure.ac b/sysdeps/powerpc/preconfigure.ac index 6c63bd8257..14b6dafd4a 100644 --- a/sysdeps/powerpc/preconfigure.ac +++ b/sysdeps/powerpc/preconfigure.ac @@ -46,7 +46,7 @@ case "${machine}:${submachine}" in AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="") ;; - a2|970|power[[4-9]]|power5x|power6+|power10) + a2|970|power[[4-9]]|power5x|power6+|power10|power11) submachine=${archcpu} AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="") ;;
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