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authorArthur Heymans <arthur@aheymans.xyz>2023-10-17 11:36:11 -0700
committerMartin L Roth <gaumless@gmail.com>2024-04-01 04:16:34 +0000
commita010b7f614dbdf5155e380c49fd07bc440b5a769 (patch)
tree65f030d31f155f2f736833aff09397dc18637fb1
parent347b1170fb86072724194579b27d2cf86a639725 (diff)
arch/ppc64: Fix inline assembly for clang
Use macros from the Linux kernel 6.5 to make the inline assembly also compile on clang. TEST: See that the generated code is identical on GCC and compiles on clang. Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Change-Id: I516033c69e62dfdb38f83285c156d5527917ad55 Reviewed-on: https://review.coreboot.org/c/coreboot/+/78446 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Martin L Roth <gaumless@gmail.com>
-rw-r--r--src/arch/ppc64/stages.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/arch/ppc64/stages.c b/src/arch/ppc64/stages.c
index 01b9efaba8..c6d35ed452 100644
--- a/src/arch/ppc64/stages.c
+++ b/src/arch/ppc64/stages.c
@@ -25,10 +25,15 @@ void stage_entry(uintptr_t stage_arg)
_cbmem_top_ptr = stage_arg;
#if ENV_RAMSTAGE
+#define __stringify_in_c(...) #__VA_ARGS__
+#define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " "
+#define PPC_RAW_SLBIA(IH) (0x7c0003e4 | (((IH) & 0x7) << 21))
+#define PPC_SLBIA(IH) stringify_in_c(.long PPC_RAW_SLBIA(IH))
+
hrmor = read_spr(SPR_HRMOR);
asm volatile("sync; isync" ::: "memory");
write_spr(SPR_HRMOR, 0);
- asm volatile("or 1,1,%0; slbia 7; sync; isync" :: "r"(hrmor) : "memory");
+ asm volatile("or 1,1,%0;" PPC_SLBIA(7)"; sync; isync" :: "r"(hrmor) : "memory");
#endif
main();