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powerpc: Placeholder and infrastructure/build support to add Power11 related changes.

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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>
(cherry picked from commit 1ea0511456)
This commit is contained in:
Amrita H S 2024-03-19 19:08:47 -05:00 committed by Peter Bergner
parent ee7f4c54e1
commit aad45c8ac3
15 changed files with 27 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sysdeps/powerpc/dl-procinfo.h
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@ -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;

2
sysdeps/powerpc/powerpc32/power11/Implies Normal file
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@ -0,0 +1,2 @@
powerpc/powerpc32/power10/fpu
powerpc/powerpc32/power10

1
sysdeps/powerpc/powerpc32/power11/fpu/multiarch/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc32/power10/fpu/multiarch

1
sysdeps/powerpc/powerpc32/power11/multiarch/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc32/power10/multiarch

2
sysdeps/powerpc/powerpc64/be/power11/Implies Normal file
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@ -0,0 +1,2 @@
powerpc/powerpc64/be/power10/fpu
powerpc/powerpc64/be/power10

1
sysdeps/powerpc/powerpc64/be/power11/fpu/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc64/be/power10/fpu

1
sysdeps/powerpc/powerpc64/be/power11/fpu/multiarch/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc64/be/power10/fpu/multiarch

1
sysdeps/powerpc/powerpc64/be/power11/multiarch/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc64/be/power10/multiarch

2
sysdeps/powerpc/powerpc64/le/power11/Implies Normal file
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@ -0,0 +1,2 @@
powerpc/powerpc64/le/power10/fpu
powerpc/powerpc64/le/power10

1
sysdeps/powerpc/powerpc64/le/power11/fpu/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc64/le/power10/fpu

1
sysdeps/powerpc/powerpc64/le/power11/fpu/multiarch/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc64/le/power10/fpu/multiarch

1
sysdeps/powerpc/powerpc64/le/power11/multiarch/Implies Normal file
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@ -0,0 +1 @@
powerpc/powerpc64/le/power10/multiarch

6
sysdeps/powerpc/powerpc64/le/tst-glibc-hwcaps.c
View File

@ -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

2
sysdeps/powerpc/preconfigure
View File

@ -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 :

2
sysdeps/powerpc/preconfigure.ac
View File

@ -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="")
;;