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Signed-off-by: Jason Montleon <jmontleo@redhat.com>
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36
0273-Use-medany-instead-of-large-model-for-RISCV.patch
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36
0273-Use-medany-instead-of-large-model-for-RISCV.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jason Montleon <jason@montleon.com>
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Date: Fri, 3 May 2024 13:18:37 -0400
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Subject: [PATCH] Use medany instead of large model for RISCV
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Signed-off-by: Jason Montleon <jason@montleon.com>
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---
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configure.ac | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index d223fe3ef6e..6a6688e362a 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1313,7 +1313,7 @@ AC_SUBST(TARGET_LDFLAGS_OLDMAGIC)
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LDFLAGS="$TARGET_LDFLAGS"
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-if test "$target_cpu" = x86_64 || test "$target_cpu" = sparc64 || test "$target_cpu" = riscv64 ; then
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+if test "$target_cpu" = x86_64 || test "$target_cpu" = sparc64 ; then
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# Use large model to support 4G memory
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AC_CACHE_CHECK([whether option -mcmodel=large works], grub_cv_cc_mcmodel, [
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CFLAGS="$TARGET_CFLAGS -mcmodel=large"
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@@ -1323,9 +1323,11 @@ if test "$target_cpu" = x86_64 || test "$target_cpu" = sparc64 || test "$target_
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])
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if test "x$grub_cv_cc_mcmodel" = xyes; then
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TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=large"
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- elif test "$target_cpu" = sparc64 || test "$target_cpu" = riscv64; then
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+ elif test "$target_cpu" = sparc64; then
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TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=medany"
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fi
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+elif test "$target_cpu" = riscv64 ; then
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+ TARGET_CFLAGS="$TARGET_CFLAGS -mcmodel=medany"
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fi
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if test "$target_cpu"-"$platform" = x86_64-efi; then
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55
0274-riscv-use-time-register-in-grub-efi-get-time-ms.patch
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55
0274-riscv-use-time-register-in-grub-efi-get-time-ms.patch
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From grub-devel Mon Aug 12 14:13:18 2024
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From: Heinrich Schuchardt <heinrich.schuchardt () canonical ! com>
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Date: Mon, 12 Aug 2024 14:13:18 +0000
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To: grub-devel
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Subject: [PATCH 1/1] riscv: use time register in grub_efi_get_time_ms()
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Message-Id: <20240812141318.276757-1-heinrich.schuchardt () canonical ! com>
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X-MARC-Message: https://marc.info/?l=grub-devel&m=172347201913556
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The cycle register is not guaranteed to count at constant frequency.
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If it is counting at all depends on the state the performance monitoring
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unit.
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Use the time register to measure time.
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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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---
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grub-core/kern/riscv/efi/init.c | 15 +++++++--------
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1 file changed, 7 insertions(+), 8 deletions(-)
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diff --git a/grub-core/kern/riscv/efi/init.c b/grub-core/kern/riscv/efi/init.c
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index 38795fe67..519e4625a 100644
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--- a/grub-core/kern/riscv/efi/init.c
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+++ b/grub-core/kern/riscv/efi/init.c
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@@ -33,16 +33,15 @@ grub_efi_get_time_ms (void)
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grub_uint64_t tmr;
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#if __riscv_xlen == 64
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- asm volatile ("rdcycle %0" : "=r" (tmr));
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+ asm volatile ("rdtime %0" : "=r"(tmr));
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#else
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grub_uint32_t lo, hi, tmp;
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- asm volatile (
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- "1:\n"
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- "rdcycleh %0\n"
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- "rdcycle %1\n"
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- "rdcycleh %2\n"
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- "bne %0, %2, 1b"
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- : "=&r" (hi), "=&r" (lo), "=&r" (tmp));
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+ asm volatile ("1:\n"
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+ "rdtimeh %0\n"
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+ "rdtime %1\n"
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+ "rdtimeh %2\n"
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+ "bne %0, %2, 1b"
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+ : "=&r"(hi), "=&r"(lo), "=&r"(tmp));
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tmr = ((grub_uint64_t)hi << 32) | lo;
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#endif
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--
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2.45.2
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_______________________________________________
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Grub-devel mailing list
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Grub-devel@gnu.org
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https://lists.gnu.org/mailman/listinfo/grub-devel
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@ -250,12 +250,16 @@ Patch0249: 0249-grub-set-bootflag-Conservative-partial-fix-for-CVE-2.patch
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Patch0250: 0250-grub-set-bootflag-More-complete-fix-for-CVE-2024-104.patch
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Patch0251: 0251-grub-set-bootflag-Exit-calmly-when-not-running-as-ro.patch
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Patch0252: 0252-Makefile.core.def-fix-linux-module.patch
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%ifnarch riscv64
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Patch0253: 0253-Add-support-for-Linux-EFI-stub-loading-on-arm-archit.patch
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Patch0254: 0254-arm-arm64-loader-Better-memory-allocation-and-error-.patch
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Patch0255: 0255-arm64-Fix-EFI-loader-kernel-image-allocation.patch
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%endif
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Patch0256: 0256-pe-add-the-DOS-header-struct-and-fix-some-bad-naming.patch
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%ifnarch riscv64
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Patch0257: 0257-Correct-BSS-zeroing-on-aarch64.patch
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Patch0258: 0258-arm64-Use-proper-memory-type-for-kernel-allocation.patch
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%endif
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Patch0259: 0259-normal-Remove-grub_env_set-prefix-in-grub_try_normal.patch
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Patch0260: 0260-fs-xfs-Handle-non-continuous-data-blocks-in-director.patch
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Patch0261: 0261-Ignore-warnings-for-incompatible-types.patch
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@ -270,3 +274,5 @@ Patch0269: 0269-kern-ieee1275-init-Add-IEEE-1275-Radix-support-for-K.patch
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Patch0270: 0270-grub2-mkconfig-Ensure-grub-cfg-stub-is-not-overwritt.patch
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Patch0271: 0271-grub2-mkconfig-Simplify-os_name-detection.patch
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Patch0272: 0272-grub-mkconfig-Remove-check-for-mount-point-for-grub-.patch
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Patch0273: 0273-Use-medany-instead-of-large-model-for-RISCV.patch
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Patch0274: 0274-riscv-use-time-register-in-grub-efi-get-time-ms.patch
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@ -17,7 +17,7 @@
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Name: grub2
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Epoch: 1
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Version: 2.12
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Release: 4%{?dist}
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Release: 4.0.riscv64%{?dist}
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Summary: Bootloader with support for Linux, Multiboot and more
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License: GPL-3.0-or-later
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URL: http://www.gnu.org/software/grub/
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