sh: simplify kexec vbr code
Setup the vbr register in machine_kexec(). This instead of passing values to the assembly snippet. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
parent
c20351846e
commit
7be5c55af0
|
@ -23,8 +23,7 @@
|
|||
typedef NORET_TYPE void (*relocate_new_kernel_t)(
|
||||
unsigned long indirection_page,
|
||||
unsigned long reboot_code_buffer,
|
||||
unsigned long start_address,
|
||||
unsigned long vbr_reg) ATTRIB_NORET;
|
||||
unsigned long start_address) ATTRIB_NORET;
|
||||
|
||||
extern const unsigned char relocate_new_kernel[];
|
||||
extern const unsigned int relocate_new_kernel_size;
|
||||
|
@ -76,14 +75,8 @@ void machine_kexec(struct kimage *image)
|
|||
|
||||
unsigned long page_list;
|
||||
unsigned long reboot_code_buffer;
|
||||
unsigned long vbr_reg;
|
||||
relocate_new_kernel_t rnk;
|
||||
|
||||
#if defined(CONFIG_SH_STANDARD_BIOS)
|
||||
vbr_reg = ((unsigned long )gdb_vbr_vector) - 0x100;
|
||||
#else
|
||||
vbr_reg = 0x80000000; // dummy
|
||||
#endif
|
||||
/* Interrupts aren't acceptable while we reboot */
|
||||
local_irq_disable();
|
||||
|
||||
|
@ -100,9 +93,15 @@ void machine_kexec(struct kimage *image)
|
|||
kexec_info(image);
|
||||
flush_cache_all();
|
||||
|
||||
set_bl_bit();
|
||||
#if defined(CONFIG_SH_STANDARD_BIOS)
|
||||
asm volatile("ldc %0, vbr" :
|
||||
: "r" (((unsigned long) gdb_vbr_vector) - 0x100)
|
||||
: "memory");
|
||||
#endif
|
||||
/* now call it */
|
||||
rnk = (relocate_new_kernel_t) reboot_code_buffer;
|
||||
(*rnk)(page_list, reboot_code_buffer, P2SEGADDR(image->start), vbr_reg);
|
||||
(*rnk)(page_list, reboot_code_buffer, P2SEGADDR(image->start));
|
||||
}
|
||||
|
||||
void arch_crash_save_vmcoreinfo(void)
|
||||
|
|
|
@ -16,7 +16,6 @@ relocate_new_kernel:
|
|||
/* r4 = indirection_page */
|
||||
/* r5 = reboot_code_buffer */
|
||||
/* r6 = start_address */
|
||||
/* r7 = vbr_reg */
|
||||
|
||||
mov.l 10f,r8 /* PAGE_SIZE */
|
||||
mov.l 11f,r9 /* P2SEG */
|
||||
|
@ -80,9 +79,6 @@ relocate_new_kernel:
|
|||
bra 0b
|
||||
nop
|
||||
6:
|
||||
#ifdef CONFIG_SH_STANDARD_BIOS
|
||||
ldc r7, vbr
|
||||
#endif
|
||||
jmp @r6
|
||||
nop
|
||||
|
||||
|
|
Loading…
Reference in a new issue