diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64')
7 files changed, 184 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/Makefile b/sysdeps/unix/sysv/linux/x86_64/Makefile index 7d1d205fa0..fcbffd81cb 100644 --- a/sysdeps/unix/sysv/linux/x86_64/Makefile +++ b/sysdeps/unix/sysv/linux/x86_64/Makefile @@ -66,6 +66,33 @@ $(objpfx)libx86-64-isa-level%.os: $(..)/sysdeps/unix/sysv/linux/x86_64/x86-64-is $(objpfx)libx86-64-isa-level.so: $(objpfx)libx86-64-isa-level-1.so cp $< $@ endif + +ifeq (yes,$(have-mamx-tile)) +tests += \ + tst-gnu2-tls2-amx \ +# tests + +modules-names += \ + tst-gnu2-tls2-amx-mod0 \ + tst-gnu2-tls2-amx-mod1 \ + tst-gnu2-tls2-amx-mod2 \ +# modules-names + +$(objpfx)tst-gnu2-tls2-amx: $(shared-thread-library) +$(objpfx)tst-gnu2-tls2-amx.out: \ + $(objpfx)tst-gnu2-tls2-amx-mod0.so \ + $(objpfx)tst-gnu2-tls2-amx-mod1.so \ + $(objpfx)tst-gnu2-tls2-amx-mod2.so +$(objpfx)tst-gnu2-tls2-amx-mod0.so: $(libsupport) +$(objpfx)tst-gnu2-tls2-amx-mod1.so: $(libsupport) +$(objpfx)tst-gnu2-tls2-amx-mod2.so: $(libsupport) + +CFLAGS-tst-gnu2-tls2-amx.c += -mamx-tile +CFLAGS-tst-gnu2-tls2-amx-mod0.c += -mamx-tile -mtls-dialect=gnu2 +CFLAGS-tst-gnu2-tls2-amx-mod1.c += -mamx-tile -mtls-dialect=gnu2 +CFLAGS-tst-gnu2-tls2-amx-mod2.c += -mamx-tile -mtls-dialect=gnu2 +endif + endif # $(subdir) == elf ifneq ($(enable-cet),no) diff --git a/sysdeps/unix/sysv/linux/x86_64/include/asm/prctl.h b/sysdeps/unix/sysv/linux/x86_64/include/asm/prctl.h index 2f511321ad..ef4631bf4b 100644 --- a/sysdeps/unix/sysv/linux/x86_64/include/asm/prctl.h +++ b/sysdeps/unix/sysv/linux/x86_64/include/asm/prctl.h @@ -20,3 +20,8 @@ # define ARCH_SHSTK_SHSTK 0x1 # define ARCH_SHSTK_WRSS 0x2 #endif + +#ifndef ARCH_GET_XCOMP_PERM +# define ARCH_GET_XCOMP_PERM 0x1022 +# define ARCH_REQ_XCOMP_PERM 0x1023 +#endif diff --git a/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod0.c b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod0.c new file mode 100644 index 0000000000..2e0c7b91b7 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod0.c @@ -0,0 +1,2 @@ +#include "tst-gnu2-tls2-amx.h" +#include <tst-gnu2-tls2mod0.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod1.c b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod1.c new file mode 100644 index 0000000000..b8a8ccf1c1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod1.c @@ -0,0 +1,2 @@ +#include "tst-gnu2-tls2-amx.h" +#include <tst-gnu2-tls2mod1.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod2.c b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod2.c new file mode 100644 index 0000000000..cdf4a8f363 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx-mod2.c @@ -0,0 +1,2 @@ +#include "tst-gnu2-tls2-amx.h" +#include <tst-gnu2-tls2mod2.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx.c b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx.c new file mode 100644 index 0000000000..ae4dd82556 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx.c @@ -0,0 +1,83 @@ +/* Test TLSDESC relocation with AMX. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C 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. + + The GNU C 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 the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdbool.h> +#include <asm/prctl.h> +#include <support/check.h> +#include "tst-gnu2-tls2-amx.h" + +extern int arch_prctl (int, ...); + +#define X86_XSTATE_TILECFG_ID 17 +#define X86_XSTATE_TILEDATA_ID 18 + +/* Initialize tile config. */ +__attribute__ ((noinline, noclone)) +static void +init_tile_config (__tilecfg *tileinfo) +{ + int i; + tileinfo->palette_id = 1; + tileinfo->start_row = 0; + + tileinfo->colsb[0] = MAX_ROWS; + tileinfo->rows[0] = MAX_ROWS; + + for (i = 1; i < 4; ++i) + { + tileinfo->colsb[i] = MAX_COLS; + tileinfo->rows[i] = MAX_ROWS; + } + + _tile_loadconfig (tileinfo); +} + +static bool +enable_amx (void) +{ + uint64_t bitmask; + if (arch_prctl (ARCH_GET_XCOMP_PERM, &bitmask) != 0) + return false; + + if ((bitmask & (1 << X86_XSTATE_TILECFG_ID)) == 0) + return false; + + if (arch_prctl (ARCH_REQ_XCOMP_PERM, X86_XSTATE_TILEDATA_ID) != 0) + return false; + + /* Load tile configuration. */ + __tilecfg tile_data = { 0 }; + init_tile_config (&tile_data); + + return true; +} + +/* An architecture can define it to clobber caller-saved registers in + malloc below to verify that the implicit TLSDESC call won't change + caller-saved registers. */ +static void +clear_tile_register (void) +{ + _tile_zero (2); +} + +#define MOD(i) "tst-gnu2-tls2-amx-mod" #i ".so" +#define IS_SUPPORTED() enable_amx () +#define PREPARE_MALLOC() clear_tile_register () + +#include <elf/tst-gnu2-tls2.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx.h b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx.h new file mode 100644 index 0000000000..1845a3caba --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/tst-gnu2-tls2-amx.h @@ -0,0 +1,63 @@ +/* Test TLSDESC relocation with AMX. + Copyright (C) 2024 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C 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. + + The GNU C 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 the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdint.h> +#include <string.h> +#include <x86intrin.h> +#include <support/check.h> + +#define MAX_ROWS 16 +#define MAX_COLS 64 +#define MAX 1024 +#define STRIDE 64 + +typedef struct __tile_config +{ + uint8_t palette_id; + uint8_t start_row; + uint8_t reserved_0[14]; + uint16_t colsb[16]; + uint8_t rows[16]; +} __tilecfg __attribute__ ((aligned (64))); + +/* Initialize int8_t buffer */ +static inline void +init_buffer (int8_t *buf, int8_t value) +{ + int rows, colsb, i, j; + rows = MAX_ROWS; + colsb = MAX_COLS; + + for (i = 0; i < rows; i++) + for (j = 0; j < colsb; j++) + buf[i * colsb + j] = value; +} + +#define BEFORE_TLSDESC_CALL() \ + int8_t src[MAX]; \ + int8_t res[MAX]; \ + /* Initialize src with data */ \ + init_buffer (src, 2); \ + /* Load tile rows from memory. */ \ + _tile_loadd (2, src, STRIDE); + +#define AFTER_TLSDESC_CALL() \ + /* Store the tile data to memory. */ \ + _tile_stored (2, res, STRIDE); \ + _tile_release (); \ + TEST_VERIFY_EXIT (memcmp (src, res, sizeof (res)) == 0); |