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Commit 4636b301 authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
Browse files

Blackfin arch: add link-time asserts to make sure on-chip regions dont overflow 



Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 1eb19e30

arch/blackfin/kernel/vmlinux.lds.S

+4 −0
Original line number Diff line number Diff line
@@ -183,6 +183,7 @@ SECTIONS 
		. = ALIGN(4);

		__etext_l1 = .;

	}

	ASSERT (SIZEOF(.text_l1) <= L1_CODE_LENGTH, "L1 text overflow!")



	.data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1))

	{
@@ -200,6 +201,7 @@ SECTIONS 
		. = ALIGN(4);

		__ebss_l1 = .;

	}

	ASSERT (SIZEOF(.data_a_l1) <= L1_DATA_A_LENGTH, "L1 data A overflow!")



	.data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1))

	{
@@ -214,6 +216,7 @@ SECTIONS 
		. = ALIGN(4);

		__ebss_b_l1 = .;

	}

	ASSERT (SIZEOF(.data_b_l1) <= L1_DATA_B_LENGTH, "L1 data B overflow!")



	__l2_lma_start = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
@@ -239,6 +242,7 @@ SECTIONS 
		. = ALIGN(4);

		__ebss_l2 = .;

	}

	ASSERT (SIZEOF(.text_data_l1) <= L2_LENGTH, "L2 overflow!")



	/* Force trailing alignment of our init section so that when we

	 * free our init memory, we don't leave behind a partial page.