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powerpc/code-patching: Move patch_exception() outside code-patching.c

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patch_exception() is dedicated to book3e/64 is nothing more than
a normal use of patch_branch(), so move it into a place dedicated
to book3e/64.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/0968622b98b1fb51838c35b844c42ad6609de62e.1638446239.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy
2021-12-02 13:00:24 +01:00
committed by Michael Ellerman
parent ff14a9c09f
commit 29562a9da2
5 changed files with 25 additions and 23 deletions
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7
arch/powerpc/include/asm/code-patching.h
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@@ -63,13 +63,6 @@ int instr_is_relative_link_branch(ppc_inst_t instr);
unsigned long branch_target(const u32 *instr);
int translate_branch(ppc_inst_t *instr, const u32 *dest, const u32 *src);
bool is_conditional_branch(ppc_inst_t instr);
#ifdef CONFIG_PPC_BOOK3E_64
void __patch_exception(int exc, unsigned long addr);
#define patch_exception(exc, name) do { \
extern unsigned int name; \
__patch_exception((exc), (unsigned long)&name); \
} while (0)
#endif
#define OP_RT_RA_MASK 0xffff0000UL
#define LIS_R2 (PPC_RAW_LIS(_R2, 0))