CRIS: Remove VCS simulator specific code
The VCS simulator was a tool used in the development of the chip
and is no longer used or necessary.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S
index 5d502b9..51e3416 100644
--- a/arch/cris/arch-v32/kernel/head.S
+++ b/arch/cris/arch-v32/kernel/head.S
@@ -36,13 +36,6 @@
.global nand_boot
.global swapper_pg_dir
- ;; Dummy section to make it bootable with current VCS simulator
-#ifdef CONFIG_ETRAX_VCS_SIM
- .section ".boot", "ax"
- ba tstart
- nop
-#endif
-
.text
tstart:
;; This is the entry point of the kernel. The CPU is currently in
@@ -75,17 +68,10 @@
| REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 4) \
| REG_FIELD(mmu, rw_mm_kbase_hi, base_d, 5) \
| REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb), $r0
-#elif !defined(CONFIG_ETRAX_VCS_SIM)
+#else
move.d REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 8) \
| REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 4) \
| REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb), $r0
-#else
- ;; Map the virtual DRAM to the RW eprom area at address 0.
- ;; Also map 0xa for the hook calls,
- move.d REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 8) \
- | REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 4) \
- | REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb) \
- | REG_FIELD(mmu, rw_mm_kbase_hi, base_a, 0xa), $r0
#endif
;; Temporary map of 0x40 -> 0x40 and 0x00 -> 0x00.
@@ -126,27 +112,6 @@
| REG_STATE(mmu, rw_mm_cfg, seg_2, page) \
| REG_STATE(mmu, rw_mm_cfg, seg_1, page) \
| REG_STATE(mmu, rw_mm_cfg, seg_0, linear), $r2
-#elif !defined(CONFIG_ETRAX_VCS_SIM)
- move.d REG_STATE(mmu, rw_mm_cfg, we, on) \
- | REG_STATE(mmu, rw_mm_cfg, acc, on) \
- | REG_STATE(mmu, rw_mm_cfg, ex, on) \
- | REG_STATE(mmu, rw_mm_cfg, inv, on) \
- | REG_STATE(mmu, rw_mm_cfg, seg_f, linear) \
- | REG_STATE(mmu, rw_mm_cfg, seg_e, linear) \
- | REG_STATE(mmu, rw_mm_cfg, seg_d, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_c, linear) \
- | REG_STATE(mmu, rw_mm_cfg, seg_b, linear) \
- | REG_STATE(mmu, rw_mm_cfg, seg_a, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_9, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_8, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_7, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_6, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_5, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_4, linear) \
- | REG_STATE(mmu, rw_mm_cfg, seg_3, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_2, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_1, page) \
- | REG_STATE(mmu, rw_mm_cfg, seg_0, linear), $r2
#else
move.d REG_STATE(mmu, rw_mm_cfg, we, on) \
| REG_STATE(mmu, rw_mm_cfg, acc, on) \
@@ -157,7 +122,7 @@
| REG_STATE(mmu, rw_mm_cfg, seg_d, page) \
| REG_STATE(mmu, rw_mm_cfg, seg_c, linear) \
| REG_STATE(mmu, rw_mm_cfg, seg_b, linear) \
- | REG_STATE(mmu, rw_mm_cfg, seg_a, linear) \
+ | REG_STATE(mmu, rw_mm_cfg, seg_a, page) \
| REG_STATE(mmu, rw_mm_cfg, seg_9, page) \
| REG_STATE(mmu, rw_mm_cfg, seg_8, page) \
| REG_STATE(mmu, rw_mm_cfg, seg_7, page) \
@@ -226,7 +191,6 @@
move.d secondary_cpu_entry, $r1
move.d $r1, [$r0]
#endif
-#ifndef CONFIG_ETRAX_VCS_SIM
; Check if starting from DRAM (network->RAM boot or unpacked
; compressed kernel), or directly from flash.
lapcq ., $r0
@@ -234,7 +198,6 @@
cmp.d 0x10000, $r0 ; Arbitrary, something above this code.
blo _inflash0
nop
-#endif
jump _inram ; Jump to cached RAM.
nop
@@ -326,7 +289,6 @@
move.d romfs_length, $r1
move.d $r0, [$r1]
-#ifndef CONFIG_ETRAX_VCS_SIM
;; The kernel could have been unpacked to DRAM by the loader, but
;; the cramfs image could still be in the flash immediately
;; following the compressed kernel image. The loader passes the address
@@ -335,10 +297,6 @@
cmp.d 0x0ffffff8, $r9
bhs _no_romfs_in_flash ; R9 points outside the flash area.
nop
-#else
- ba _no_romfs_in_flash
- nop
-#endif
;; cramfs rootfs might to be in flash. Check for it.
move.d [$r9], $r0 ; cramfs_super.magic
cmp.d CRAMFS_MAGIC, $r0
@@ -396,7 +354,6 @@
move.d romfs_length, $r3
move.d $r2, [$r3] ; store size at romfs_length
-#ifndef CONFIG_ETRAX_VCS_SIM
add.d $r2, $r0 ; copy from end and downwards
add.d $r2, $r1
@@ -410,7 +367,6 @@
subq 1, $r2
bne 1b
nop
-#endif
4:
;; BSS move done.
@@ -455,7 +411,6 @@
move.d etrax_irv, $r1 ; Set the exception base register and pointer.
move.d $r0, [$r1]
-#ifndef CONFIG_ETRAX_VCS_SIM
;; Clear the BSS region from _bss_start to _end.
move.d __bss_start, $r0
move.d _end, $r1
@@ -463,15 +418,6 @@
cmp.d $r1, $r0
blo 1b
nop
-#endif
-
-#ifdef CONFIG_ETRAX_VCS_SIM
- /* Set the watchdog timeout to something big. Will be removed when */
- /* watchdog can be disabled with command line option */
- move.d 0x7fffffff, $r10
- jsr CPU_WATCHDOG_TIMEOUT
- nop
-#endif
; Initialize registers to increase determinism
move.d __bss_start, $r0
diff --git a/arch/cris/arch-v32/kernel/kgdb.c b/arch/cris/arch-v32/kernel/kgdb.c
index 8c1d35c..b06813a 100644
--- a/arch/cris/arch-v32/kernel/kgdb.c
+++ b/arch/cris/arch-v32/kernel/kgdb.c
@@ -381,23 +381,9 @@
/* Serial port, reads one character. ETRAX 100 specific. from debugport.c */
int getDebugChar(void);
-#ifdef CONFIG_ETRAX_VCS_SIM
-int getDebugChar(void)
-{
- return socketread();
-}
-#endif
-
/* Serial port, writes one character. ETRAX 100 specific. from debugport.c */
void putDebugChar(int val);
-#ifdef CONFIG_ETRAX_VCS_SIM
-void putDebugChar(int val)
-{
- socketwrite((char *)&val, 1);
-}
-#endif
-
/* Returns the integer equivalent of a hexadecimal character. */
static int hex(char ch);