X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fmips%2Fkernel%2Frelocate_kernel.S;h=87481f916a61bb4ed8743a5d1b2b5b3778639daa;hb=6d7f18f6ea3a13af95bdf507fc54d42b165e1712;hp=a3f0d00c13349aecae7997c97b530c5ea417c070;hpb=bef986502fa398b1785a3979b1aa17cd902d3527;p=pandora-kernel.git diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S index a3f0d00c1334..87481f916a61 100644 --- a/arch/mips/kernel/relocate_kernel.S +++ b/arch/mips/kernel/relocate_kernel.S @@ -14,67 +14,69 @@ #include #include - .globl relocate_new_kernel -relocate_new_kernel: - - PTR_L s0, kexec_indirection_page - PTR_L s1, kexec_start_address +LEAF(relocate_new_kernel) + PTR_L s0, kexec_indirection_page + PTR_L s1, kexec_start_address process_entry: - PTR_L s2, (s0) - PTR_ADD s0, s0, SZREG + PTR_L s2, (s0) + PTR_ADD s0, s0, SZREG /* destination page */ - and s3, s2, 0x1 - beq s3, zero, 1f - and s4, s2, ~0x1 /* store destination addr in s4 */ - move a0, s4 - b process_entry + and s3, s2, 0x1 + beq s3, zero, 1f + and s4, s2, ~0x1 /* store destination addr in s4 */ + move a0, s4 + b process_entry 1: /* indirection page, update s0 */ - and s3, s2, 0x2 - beq s3, zero, 1f - and s0, s2, ~0x2 - b process_entry + and s3, s2, 0x2 + beq s3, zero, 1f + and s0, s2, ~0x2 + b process_entry 1: /* done page */ - and s3, s2, 0x4 - beq s3, zero, 1f - b done + and s3, s2, 0x4 + beq s3, zero, 1f + b done 1: /* source page */ - and s3, s2, 0x8 - beq s3, zero, process_entry - and s2, s2, ~0x8 - li s6, (1 << PAGE_SHIFT) / SZREG + and s3, s2, 0x8 + beq s3, zero, process_entry + and s2, s2, ~0x8 + li s6, (1 << PAGE_SHIFT) / SZREG copy_word: /* copy page word by word */ - REG_L s5, (s2) - REG_S s5, (s4) - INT_ADD s4, s4, SZREG - INT_ADD s2, s2, SZREG - INT_SUB s6, s6, 1 - beq s6, zero, process_entry - b copy_word - b process_entry + REG_L s5, (s2) + REG_S s5, (s4) + PTR_ADD s4, s4, SZREG + PTR_ADD s2, s2, SZREG + LONG_SUB s6, s6, 1 + beq s6, zero, process_entry + b copy_word + b process_entry done: /* jump to kexec_start_address */ - j s1 + j s1 + END(relocate_new_kernel) - .globl kexec_start_address kexec_start_address: - .long 0x0 + EXPORT(kexec_start_address) + PTR 0x0 + .size kexec_start_address, PTRSIZE - .globl kexec_indirection_page kexec_indirection_page: - .long 0x0 + EXPORT(kexec_indirection_page) + PTR 0 + .size kexec_indirection_page, PTRSIZE relocate_new_kernel_end: - .globl relocate_new_kernel_size relocate_new_kernel_size: - .long relocate_new_kernel_end - relocate_new_kernel + EXPORT(relocate_new_kernel_size) + PTR relocate_new_kernel_end - relocate_new_kernel + .size relocate_new_kernel_size, PTRSIZE