Commit 83e7b876 authored by Olof Johansson's avatar Olof Johansson Committed by Palmer Dabbelt
Browse files

RISC-V: move empty_zero_page definition to C and export it 



Needed by some modules (exported by other architectures).

Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
Signed-off-by: default avatarPalmer Dabbelt <palmer@sifive.com>
parent fe2726af

arch/riscv/kernel/head.S

+0 −3
Original line number Diff line number Diff line
@@ -152,6 +152,3 @@ END(_start) 
__PAGE_ALIGNED_BSS

	/* Empty zero page */

	.balign PAGE_SIZE
 
ENTRY(empty_zero_page)

	.fill (empty_zero_page + PAGE_SIZE) - ., 1, 0x00

END(empty_zero_page)

arch/riscv/kernel/setup.c

+3 −0
Original line number Diff line number Diff line
@@ -60,6 +60,9 @@ static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; 
unsigned long va_pa_offset;

unsigned long pfn_base;



unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss;

EXPORT_SYMBOL(empty_zero_page);



/* The lucky hart to first increment this variable will boot the other cores */

atomic_t hart_lottery;