Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/arch/sparc/kernel/asm-offsets.c b/arch/sparc/kernel/asm-offsets.c
new file mode 100644
index 000000000..5784f2df4
--- /dev/null
+++ b/arch/sparc/kernel/asm-offsets.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * On sparc, thread_info data is static and TI_XXX offsets are computed by hand.
+ */
+
+#include <linux/sched.h>
+#include <linux/mm_types.h>
+// #include <linux/mm.h>
+#include <linux/kbuild.h>
+
+#include <asm/hibernate.h>
+
+#ifdef CONFIG_SPARC32
+int sparc32_foo(void)
+{
+	DEFINE(AOFF_thread_fork_kpsr,
+			offsetof(struct thread_struct, fork_kpsr));
+	return 0;
+}
+#else
+int sparc64_foo(void)
+{
+#ifdef CONFIG_HIBERNATION
+	BLANK();
+	OFFSET(SC_REG_FP, saved_context, fp);
+	OFFSET(SC_REG_CWP, saved_context, cwp);
+	OFFSET(SC_REG_WSTATE, saved_context, wstate);
+
+	OFFSET(SC_REG_TICK, saved_context, tick);
+	OFFSET(SC_REG_PSTATE, saved_context, pstate);
+
+	OFFSET(SC_REG_G4, saved_context, g4);
+	OFFSET(SC_REG_G5, saved_context, g5);
+	OFFSET(SC_REG_G6, saved_context, g6);
+#endif
+	return 0;
+}
+#endif
+
+int foo(void)
+{
+	BLANK();
+	DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
+	BLANK();
+	DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context));
+	BLANK();
+	DEFINE(VMA_VM_MM,    offsetof(struct vm_area_struct, vm_mm));
+
+	/* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */
+	return 0;
+}
+