X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Ftile%2Fkernel%2Fintvec_32.S;h=8f58bdff20d7f7dd9b77d16a6901eb9db82f056b;hp=3404c75f8e642e819debf7c4e0754250e96af3d9;hb=1bbee7d616d5fdffa6c1c86075dbffe2b3e236ea;hpb=062e27ec1b49d12bdb1ecc94d74b5fee5a5775db

diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index 3404c75f8e64..8f58bdff20d7 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -952,7 +952,7 @@ STD_ENTRY(interrupt_return)
 	 * able to safely read all the remaining words on those cache
 	 * lines without waiting for the memory subsystem.
 	 */
-	pop_reg_zero r0, r1, sp, PTREGS_OFFSET_REG(30) - PTREGS_OFFSET_REG(0)
+	pop_reg_zero r0, r28, sp, PTREGS_OFFSET_REG(30) - PTREGS_OFFSET_REG(0)
 	pop_reg_zero r30, r2, sp, PTREGS_OFFSET_PC - PTREGS_OFFSET_REG(30)
 	pop_reg_zero r21, r3, sp, PTREGS_OFFSET_EX1 - PTREGS_OFFSET_PC
 	pop_reg_zero lr, r4, sp, PTREGS_OFFSET_REG(52) - PTREGS_OFFSET_EX1
@@ -1017,7 +1017,17 @@ STD_ENTRY(interrupt_return)
 	{ move r22, zero; move r23, zero }
 	{ move r24, zero; move r25, zero }
 	{ move r26, zero; move r27, zero }
-	{ move r28, zero; move r29, zero }
+
+	/* Set r1 to errno if we are returning an error, otherwise zero. */
+	{
+	 moveli r29, 1024
+	 sub    r1, zero, r0
+	}
+	slt_u   r29, r1, r29
+	{
+	 mnz    r1, r29, r1
+	 move   r29, zero
+	}
 	iret
 
 	/*
@@ -1496,13 +1506,6 @@ handle_ill:
 	}
 	STD_ENDPROC(handle_ill)
 
-	.pushsection .rodata, "a"
-	.align  8
-bpt_code:
-	bpt
-	ENDPROC(bpt_code)
-	.popsection
-
 /* Various stub interrupt handlers and syscall handlers */
 
 STD_ENTRY_LOCAL(_kernel_double_fault)