diff options
Diffstat (limited to 'arch/riscv/kernel')
| -rw-r--r-- | arch/riscv/kernel/head.S | 10 | ||||
| -rw-r--r-- | arch/riscv/kernel/vmlinux.lds.S | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 711190d473d4..fe884cd69abd 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -44,6 +44,16 @@ ENTRY(_start) amoadd.w a3, a2, (a3) bnez a3, .Lsecondary_start + /* Clear BSS for flat non-ELF images */ + la a3, __bss_start + la a4, __bss_stop + ble a4, a3, clear_bss_done +clear_bss: + REG_S zero, (a3) + add a3, a3, RISCV_SZPTR + blt a3, a4, clear_bss +clear_bss_done: + /* Save hart ID and DTB physical address */ mv s0, a0 mv s1, a1 diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S index ece84991609c..65df1dfdc303 100644 --- a/arch/riscv/kernel/vmlinux.lds.S +++ b/arch/riscv/kernel/vmlinux.lds.S @@ -74,7 +74,7 @@ SECTIONS *(.sbss*) } - BSS_SECTION(0, 0, 0) + BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0) EXCEPTION_TABLE(0x10) NOTES |