C6X: build infrastructure
Original port to early 2.6 kernel using TI COFF toolchain.
Brought up to date by Mark Salter <msalter@redhat.com>
Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/c6x/kernel/asm-offsets.c b/arch/c6x/kernel/asm-offsets.c
new file mode 100644
index 0000000..759ad6d
--- /dev/null
+++ b/arch/c6x/kernel/asm-offsets.c
@@ -0,0 +1,123 @@
+/*
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed
+ * to extract and format the required data.
+ */
+
+#include <linux/sched.h>
+#include <linux/thread_info.h>
+#include <asm/procinfo.h>
+#include <linux/kbuild.h>
+#include <linux/unistd.h>
+
+void foo(void)
+{
+ OFFSET(REGS_A16, pt_regs, a16);
+ OFFSET(REGS_A17, pt_regs, a17);
+ OFFSET(REGS_A18, pt_regs, a18);
+ OFFSET(REGS_A19, pt_regs, a19);
+ OFFSET(REGS_A20, pt_regs, a20);
+ OFFSET(REGS_A21, pt_regs, a21);
+ OFFSET(REGS_A22, pt_regs, a22);
+ OFFSET(REGS_A23, pt_regs, a23);
+ OFFSET(REGS_A24, pt_regs, a24);
+ OFFSET(REGS_A25, pt_regs, a25);
+ OFFSET(REGS_A26, pt_regs, a26);
+ OFFSET(REGS_A27, pt_regs, a27);
+ OFFSET(REGS_A28, pt_regs, a28);
+ OFFSET(REGS_A29, pt_regs, a29);
+ OFFSET(REGS_A30, pt_regs, a30);
+ OFFSET(REGS_A31, pt_regs, a31);
+
+ OFFSET(REGS_B16, pt_regs, b16);
+ OFFSET(REGS_B17, pt_regs, b17);
+ OFFSET(REGS_B18, pt_regs, b18);
+ OFFSET(REGS_B19, pt_regs, b19);
+ OFFSET(REGS_B20, pt_regs, b20);
+ OFFSET(REGS_B21, pt_regs, b21);
+ OFFSET(REGS_B22, pt_regs, b22);
+ OFFSET(REGS_B23, pt_regs, b23);
+ OFFSET(REGS_B24, pt_regs, b24);
+ OFFSET(REGS_B25, pt_regs, b25);
+ OFFSET(REGS_B26, pt_regs, b26);
+ OFFSET(REGS_B27, pt_regs, b27);
+ OFFSET(REGS_B28, pt_regs, b28);
+ OFFSET(REGS_B29, pt_regs, b29);
+ OFFSET(REGS_B30, pt_regs, b30);
+ OFFSET(REGS_B31, pt_regs, b31);
+
+ OFFSET(REGS_A0, pt_regs, a0);
+ OFFSET(REGS_A1, pt_regs, a1);
+ OFFSET(REGS_A2, pt_regs, a2);
+ OFFSET(REGS_A3, pt_regs, a3);
+ OFFSET(REGS_A4, pt_regs, a4);
+ OFFSET(REGS_A5, pt_regs, a5);
+ OFFSET(REGS_A6, pt_regs, a6);
+ OFFSET(REGS_A7, pt_regs, a7);
+ OFFSET(REGS_A8, pt_regs, a8);
+ OFFSET(REGS_A9, pt_regs, a9);
+ OFFSET(REGS_A10, pt_regs, a10);
+ OFFSET(REGS_A11, pt_regs, a11);
+ OFFSET(REGS_A12, pt_regs, a12);
+ OFFSET(REGS_A13, pt_regs, a13);
+ OFFSET(REGS_A14, pt_regs, a14);
+ OFFSET(REGS_A15, pt_regs, a15);
+
+ OFFSET(REGS_B0, pt_regs, b0);
+ OFFSET(REGS_B1, pt_regs, b1);
+ OFFSET(REGS_B2, pt_regs, b2);
+ OFFSET(REGS_B3, pt_regs, b3);
+ OFFSET(REGS_B4, pt_regs, b4);
+ OFFSET(REGS_B5, pt_regs, b5);
+ OFFSET(REGS_B6, pt_regs, b6);
+ OFFSET(REGS_B7, pt_regs, b7);
+ OFFSET(REGS_B8, pt_regs, b8);
+ OFFSET(REGS_B9, pt_regs, b9);
+ OFFSET(REGS_B10, pt_regs, b10);
+ OFFSET(REGS_B11, pt_regs, b11);
+ OFFSET(REGS_B12, pt_regs, b12);
+ OFFSET(REGS_B13, pt_regs, b13);
+ OFFSET(REGS_DP, pt_regs, dp);
+ OFFSET(REGS_SP, pt_regs, sp);
+
+ OFFSET(REGS_TSR, pt_regs, tsr);
+ OFFSET(REGS_ORIG_A4, pt_regs, orig_a4);
+
+ DEFINE(REGS__END, sizeof(struct pt_regs));
+ BLANK();
+
+ OFFSET(THREAD_PC, thread_struct, pc);
+ OFFSET(THREAD_B15_14, thread_struct, b15_14);
+ OFFSET(THREAD_A15_14, thread_struct, a15_14);
+ OFFSET(THREAD_B13_12, thread_struct, b13_12);
+ OFFSET(THREAD_A13_12, thread_struct, a13_12);
+ OFFSET(THREAD_B11_10, thread_struct, b11_10);
+ OFFSET(THREAD_A11_10, thread_struct, a11_10);
+ OFFSET(THREAD_RICL_ICL, thread_struct, ricl_icl);
+ BLANK();
+
+ OFFSET(TASK_STATE, task_struct, state);
+ BLANK();
+
+ OFFSET(THREAD_INFO_FLAGS, thread_info, flags);
+ OFFSET(THREAD_INFO_PREEMPT_COUNT, thread_info, preempt_count);
+ BLANK();
+
+ /* These would be unneccessary if we ran asm files
+ * through the preprocessor.
+ */
+ DEFINE(KTHREAD_SIZE, THREAD_SIZE);
+ DEFINE(KTHREAD_SHIFT, THREAD_SHIFT);
+ DEFINE(KTHREAD_START_SP, THREAD_START_SP);
+ DEFINE(ENOSYS_, ENOSYS);
+ DEFINE(NR_SYSCALLS_, __NR_syscalls);
+
+ DEFINE(_TIF_SYSCALL_TRACE, (1<<TIF_SYSCALL_TRACE));
+ DEFINE(_TIF_NOTIFY_RESUME, (1<<TIF_NOTIFY_RESUME));
+ DEFINE(_TIF_SIGPENDING, (1<<TIF_SIGPENDING));
+ DEFINE(_TIF_NEED_RESCHED, (1<<TIF_NEED_RESCHED));
+ DEFINE(_TIF_POLLING_NRFLAG, (1<<TIF_POLLING_NRFLAG));
+
+ DEFINE(_TIF_ALLWORK_MASK, TIF_ALLWORK_MASK);
+ DEFINE(_TIF_WORK_MASK, TIF_WORK_MASK);
+}