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authorSergii Dmytruk <sergii.dmytruk@3mdeb.com>2021-08-19 20:19:19 +0300
committerFelix Held <felix-coreboot@felixheld.de>2022-02-11 20:17:45 +0000
commitdba9b54731c000b26334bd31a7dbd0fa2dbe80aa (patch)
tree0d70f5d1c7e162f403581c45dddee77e7fbb5dcc /src
parent956a8b69d2eaaf597909ff8b5c16b87085eba440 (diff)
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arch/ppc64/boot.c: handle non-OPD entry point
Change-Id: I309be370d66a808b355241fcee880883631f38ce Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/57083 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Krystian Hebel <krystian.hebel@3mdeb.com> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src')
-rw-r--r--src/arch/ppc64/boot.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/arch/ppc64/boot.c b/src/arch/ppc64/boot.c
index dc4bb422a3c8..bbd0d39e985b 100644
--- a/src/arch/ppc64/boot.c
+++ b/src/arch/ppc64/boot.c
@@ -2,9 +2,28 @@
#include <program_loading.h>
+#if ENV_PAYLOAD_LOADER
+
+/*
+ * Payload's entry point is an offset to the real entry point, not to OPD
+ * (Official Procedure Descriptor) for entry point.
+ */
+void arch_prog_run(struct prog *prog)
+{
+ asm volatile(
+ "mtctr %1\n"
+ "mr 3, %0\n"
+ "bctr\n"
+ :: "r"(prog_entry_arg(prog)), "r"(prog_entry(prog)) : "memory");
+}
+
+#else
+
void arch_prog_run(struct prog *prog)
{
void (*doit)(void *) = prog_entry(prog);
doit(prog_entry_arg(prog));
}
+
+#endif