Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 204 insertions, 0 deletions

diff --git a/qemu/roms/SLOF/lib/libbootmsg/bootmsg_lvl.S b/qemu/roms/SLOF/lib/libbootmsg/bootmsg_lvl.S
new file mode 100644
index 000000000..2e4c1359a
--- /dev/null
+++ b/qemu/roms/SLOF/lib/libbootmsg/bootmsg_lvl.S
@@ -0,0 +1,204 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+#define _ASM_
+#include "macros.h"
+#include "southbridge.h"
+#include "nvramlog.h"
+
+#define bootmsg_area_size 128
+
+	.text
+	.align	3
+
+// Declare the warning level for all 128 possibilities of AC/pCKG kombinations
+	WRNG_LVL:
+	        .rept bootmsg_area_size
+		.byte 0x0
+	        .endr
+
+
+//*****************************************************************************
+// Check UserWarningLevel against SystemWarningLevel
+// input : r3=cp-id, r5=level
+// change: r6,r7
+// output: CR0 ( compared user vs system level )
+//      example:
+//              bl GET_WRNG_LVL
+//              ble print_warning
+//              bgt do_not_print_warning
+ENTRY(GET_WRNG_LVL)
+	mflr    r7                      // save linkage register
+	bl      0f                      // get current
+0:	mflr    r6                      // Instruction Address
+	mtlr    r7                      // restore linkage register
+	addi    r6,r6,WRNG_LVL-0b       // calc addr of WRNG_LVL array
+	rldic   r7,r3,56,57             // calc index into array
+	lbzux   r7,r6,r7                // read the warning level
+	cmpw    r5,r7                   // and compare it
+	blr
+
+//*****************************************************************************
+// Print CheckPoint
+// input : r3=cp-id
+// change: r3, r4, r5, r6, r7, r11
+// output: none
+ENTRY(bootmsg_cp)
+	mflr	r11
+	mr	r9, r3          // save checkpoint ID
+	li	r3, 'C'
+	bl      io_putchar      // print character
+	mr	r3, r9
+	bl      io_printhex16   // print checkpoint ID
+	.rept   5
+	li      r3,'\b'
+	bl      io_putchar      // print backspaces
+	.endr
+	mtlr	r11
+	blr
+
+//*****************************************************************************
+// Print a general BootMessage
+// input : r3=cp-id, r4=string, r5=char (type C,W,E)
+// change: r3,r4,r5,r6,r7,r9,r10,r11,r12
+// output: none
+ENTRY(print_msg)
+	mflr	r11             // Save linkage register
+	mr	r9, r3          // Save ID
+	mr	r10, r4         // Save ptr to string
+	mr	r12, r5         // Save type (char [CWE])
+	li	r3, '\n'        // make it a new line
+	bl      io_putchar
+	li	r3, '\r'
+	bl      io_putchar
+	mr	r3, r12         // restore type
+	bl      io_putchar      // print character
+	mr	r3, r9          // restore ID
+	bl      io_printhex16   // print checkpoint ID
+	li	r3, ' '         // print a space
+	bl      io_putchar
+	mr	r3, r10         // restore ptr to string
+	bl      io_print        // print message
+	li	r3, '\n'        // add a new line
+	bl      io_putchar
+	li	r3, '\r'
+	bl      io_putchar
+	mtlr	r11             // restore linkage register
+	blr
+
+//*****************************************************************************
+// Print an Error Boot Message
+// input  : r3=cp-id, r4=string-ptr
+// change : r3,r4,r5,r6,r7,r9,r10,r11,r12
+// output : none
+ENTRY(bootmsg_error)
+	li	r5, 'E'         // E is for Error
+	b	print_msg       // and print this message
+
+//*****************************************************************************
+// Print a Warning Boot Message
+// input  : r3=cp-id, r4=string-ptr, r5=level
+// change : r3,r4,r5,r6,r7,r9,r10,r11,r12
+// output : none
+ENTRY(bootmsg_warning)
+	mflr	r11             // save linkage register
+	bl	GET_WRNG_LVL    // check UserLevel against SystemLevel
+	mtlr	r11             // restore linkage register
+	li	r5, 'W'         // 'W' is for Warning
+	ble     print_msg       // if UserLevel<=SystemLevel print and return
+	blr                     // else return
+
+//*****************************************************************************
+// Print a Debug Checkpoint
+// input  : r3=cp-id, r4=string-ptr, r5=level
+// change : r3,r4,r5,r6,r7,r9,r10,r11,r12
+// output : none
+// r3=cp-id, r4=string, r5=level
+ENTRY(bootmsg_debugcp)
+	mflr	r11             // save linkage register
+	addi	r5,r5,0x20      // add checkpoint offset
+	bl	GET_WRNG_LVL    // check UserLevel against SystemLevel
+	mtlr	r11             // restore linkage register
+	li	r5, 'D'         // 'D' is for Debug CheckPoint
+	ble     print_msg       // if UserLevel<=SystemLevel print and return
+	blr                     // else return
+
+//*****************************************************************************
+// Check warning level
+// input  : r3=cp-id, r4=level
+// change : r3,r4,r5,r6,r7,r9,r10,r11
+// output : r3 (true, false)
+// r3=cp-id, r4=level
+ENTRY(bootmsg_checklevel)
+	mflr    r11
+	mr      r5, r4
+	slwi    r3, r3, 8
+	bl	GET_WRNG_LVL    // check UserLevel against SystemLevel
+	li      r3, 0           // return 0
+	bgt     0f              // IF ( UserLevel < SystemLevel )
+	li      r3, 1           // | return 1
+0:	mtlr    r11             // FI
+	blr
+
+// r3=area|pkg, r4=level
+ENTRY(bootmsg_setlevel)
+	mflr    r5
+	bl	WarningMsg	// calc current IA
+	WarningMsg:
+	mflr	r6		// get current IA
+	addi	r6,r6,WRNG_LVL-WarningMsg
+	andi.	r3, r3, 0x7F
+	add     r6,r3,r6        // address     |
+	stb     r4,0(r6)        // store level |_ stwbrx r4,r3,r6
+	
+#if !defined(DISABLE_NVRAM) && !defined(RTAS_NVRAM)
+	LOAD64(r6, SB_NVRAM_FWONLY_adr + 8 )
+	add	r6,r6,r3
+	stb     r4,0(r6)
+#endif
+	mtlr    r5
+	blr
+
+ENTRY(bootmsg_nvupdate)
+#if !defined(DISABLE_NVRAM) && !defined(RTAS_NVRAM)
+	mflr	r10
+	LOAD64(r3, SB_NVRAM_FWONLY_adr)
+	lwz	r4, 0(r3)
+	cmpwi	r4, 0x424E                 // find bootmsg area header
+	bne	0f
+
+	LOAD64(r5, bootmsg_area_size/8)
+	mtctr	r5
+	bl	WngMsg
+	WngMsg:
+	mflr	r5
+	addi	r5,r5,WRNG_LVL-WngMsg-8
+
+1:
+	ldu	r4, 8(r3)
+	stdu	r4, 8(r5)
+	bdnz+   1b
+	b	2f
+
+0:
+	LOAD64(r5, bootmsg_area_size)
+	mtctr	r5
+	li	r4, 0x424E              // clear bootmsg log area
+	stw	r4, 0(r3)
+	li	r4, 0
+
+1:	stdu	r4, 8(r3)
+	bdnz+   1b
+
+2:                              // the end
+	mtlr	r10
+#endif
+	blr