nds32: Remove the redundant assignment (2e95c4d6) · Commits · 戴 / test

For early version, the value of r2 register was used to display a character on UART when error occurred. Remove these r2 assignments because we no longer show the character. Signed-off-by:

Zong Li <zong@andestech.com> Signed-off-by:

Greentime Hu <greentime@andestech.com>

arch/nds32/kernel/head.S

+0 −2

Original line number	Diff line number	Diff line
		@@ -130,14 +130,12 @@ _image_size_check:
		*
		* direct mapping is not supported now.
		*/
		li $r2, 't'
		beqz $r6, __error ! MMU_CFG.TBW = 0 is direct mappin
		addi $r0, $r0, #0x2 ! MMU_CFG.TBS value -> meaning
		sll $r0, $r6, $r0 ! entries = k-way * n-set
		mul $r6, $r0, $r5 ! max size = entries * page size
		/* check kernel image size */
		la $r3, (_end - PAGE_OFFSET)
		li $r2, 's'
		bgt $r3, $r6, __error

		li $r2, #(PHYS_OFFSET + TLB_DATA_kernel_text_attr)

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