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-rw-r--r--arch/nios2/cpu/start.S61
1 files changed, 30 insertions, 31 deletions
diff --git a/arch/nios2/cpu/start.S b/arch/nios2/cpu/start.S
index 6c7c777..501ac39 100644
--- a/arch/nios2/cpu/start.S
+++ b/arch/nios2/cpu/start.S
@@ -9,16 +9,14 @@
#include <config.h>
#include <version.h>
-/*************************************************************************
- * RESTART
- ************************************************************************/
-
+ /* RESTART */
.text
.global _start
_start:
wrctl status, r0 /* Disable interrupts */
- /* ICACHE INIT -- only the icache line at the reset address
+ /*
+ * ICACHE INIT -- only the icache line at the reset address
* is invalidated at reset. So the init must stay within
* the cache line size (8 words). If GERMS is used, we'll
* just be invalidating the cache a second time. If cache
@@ -32,7 +30,8 @@ _start:
bgt r5, r0, 0b
br _except_end /* Skip the tramp */
- /* EXCEPTION TRAMPOLINE -- the following gets copied
+ /*
+ * EXCEPTION TRAMPOLINE -- the following gets copied
* to the exception address (below), but is otherwise at the
* default exception vector offset (0x0020).
*/
@@ -42,12 +41,14 @@ _except_start:
jmp et
_except_end:
- /* INTERRUPTS -- for now, all interrupts masked and globally
+ /*
+ * INTERRUPTS -- for now, all interrupts masked and globally
* disabled.
*/
wrctl ienable, r0 /* All disabled */
- /* DCACHE INIT -- if dcache not implemented, initd behaves as
+ /*
+ * DCACHE INIT -- if dcache not implemented, initd behaves as
* nop.
*/
movhi r4, %hi(CONFIG_SYS_DCACHELINE_SIZE)
@@ -59,7 +60,8 @@ _except_end:
add r6, r6, r4
bltu r6, r5, 1b
- /* RELOCATE CODE, DATA & COMMAND TABLE -- the following code
+ /*
+ * RELOCATE CODE, DATA & COMMAND TABLE -- the following code
* assumes code, data and the command table are all
* contiguous. This lets us relocate everything as a single
* block. Make sure the linker script matches this ;-)
@@ -89,7 +91,8 @@ _cur: movhi r5, %hi(_cur - _start)
jmp r4
_reloc:
- /* COPY EXCEPTION TRAMPOLINE -- copy the tramp to the
+ /*
+ * COPY EXCEPTION TRAMPOLINE -- copy the tramp to the
* exception address. Define CONFIG_ROM_STUBS to prevent
* the copy (e.g. exception in flash or in other
* softare/firmware component).
@@ -111,8 +114,7 @@ _reloc:
7:
#endif
- /* STACK INIT -- zero top two words for call back chain.
- */
+ /* STACK INIT -- zero top two words for call back chain. */
movhi sp, %hi(CONFIG_SYS_INIT_SP)
ori sp, sp, %lo(CONFIG_SYS_INIT_SP)
addi sp, sp, -8
@@ -130,34 +132,31 @@ _reloc:
mov sp, r2
mov fp, sp
- /*
- * Call board_init_f -- never returns
- */
+ /* Call board_init_f -- never returns */
mov r4, r0
movhi r2, %hi(board_init_f@h)
ori r2, r2, %lo(board_init_f@h)
callr r2
- /* NEVER RETURNS -- but branch to the _start just
+ /*
+ * NEVER RETURNS -- but branch to the _start just
* in case ;-)
*/
br _start
-
-
-/*
- * relocate_code -- Nios2 handles the relocation above. But
- * the generic board code monkeys with the heap, stack, etc.
- * (it makes some assumptions that may not be appropriate
- * for Nios). Nevertheless, we capitulate here.
- *
- * We'll call the board_init_r from here since this isn't
- * supposed to return.
- *
- * void relocate_code (ulong sp, gd_t *global_data,
- * ulong reloc_addr)
- * __attribute__ ((noreturn));
- */
+ /*
+ * relocate_code -- Nios2 handles the relocation above. But
+ * the generic board code monkeys with the heap, stack, etc.
+ * (it makes some assumptions that may not be appropriate
+ * for Nios). Nevertheless, we capitulate here.
+ *
+ * We'll call the board_init_r from here since this isn't
+ * supposed to return.
+ *
+ * void relocate_code (ulong sp, gd_t *global_data,
+ * ulong reloc_addr)
+ * __attribute__ ((noreturn));
+ */
.text
.global relocate_code