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d3529a351d
Add riscv64 support Rework klibc support patches Signed-off-by: Khem Raj <raj.khem@gmail.com> Cc: Andrea Adami <andrea.adami@gmail.com>
49 lines
1.4 KiB
Diff
49 lines
1.4 KiB
Diff
From 47bad82779f7fcd46b8a269cfe9a99f8ef34d317 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Sat, 13 Dec 2025 12:13:08 -0800
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Subject: [PATCH 2/5] kexec: Add imaxdiv implementation for klibc builds
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klibc doesn't provide the imaxdiv_t structure or imaxdiv() function
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from inttypes.h. Add a simple inline implementation when building
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with klibc.
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The imaxdiv() function computes the quotient and remainder of the
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division of numer by denom, which is required for standard C99
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compliance but missing in minimal libc implementations.
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Upstream-Status: Pending
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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util_lib/include/elf_info.h | 16 ++++++++++++++++
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1 file changed, 16 insertions(+)
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diff --git a/util_lib/include/elf_info.h b/util_lib/include/elf_info.h
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index fdf4c3d..9338205 100644
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--- a/util_lib/include/elf_info.h
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+++ b/util_lib/include/elf_info.h
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@@ -22,7 +22,23 @@
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#include <stdbool.h>
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#include <inttypes.h>
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#include <ctype.h>
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+#ifdef __KLIBC__
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+/* klibc doesn't provide imaxdiv_t or imaxdiv() */
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+#include <inttypes.h>
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+
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+typedef struct {
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+ intmax_t quot; /* Quotient */
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+ intmax_t rem; /* Remainder */
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+} imaxdiv_t;
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+static inline imaxdiv_t imaxdiv(intmax_t numer, intmax_t denom)
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+{
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+ imaxdiv_t result;
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+ result.quot = numer / denom;
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+ result.rem = numer % denom;
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+ return result;
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+}
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+#endif /* __KLIBC__ */
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int get_pt_load(int idx,
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unsigned long long *phys_start,
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unsigned long long *phys_end,
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