Subversion Repositories HelenOS

Rev

Rev 102 | Rev 249 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 102 Rev 106
Line 25... Line 25...
25
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
#
27
#
28
 
28
 
29
.section K_TEXT_START
29
.section K_TEXT_START
30
.global k_text_start
-
 
31
k_text_start:
-
 
32
 
30
 
33
.global kernel_image_start
31
.global kernel_image_start
34
 
32
 
35
stack0:
33
stack0:
36
kernel_image_start:
34
kernel_image_start:
Line 47... Line 45...
47
	# initialize memory stack to some sane value
45
	# initialize memory stack to some sane value
48
	movl r12 = stack0	;;
46
	movl r12 = stack0	;;
49
	add r12 = - 16, r12	/* allocate a scratch area on the stack */
47
	add r12 = - 16, r12	/* allocate a scratch area on the stack */
50
 
48
 
51
	# initialize gp (Global Pointer) register
49
	# initialize gp (Global Pointer) register
52
	movl r1=k_text_start
50
	movl r1 = _hardcoded_load_address
-
 
51
	
-
 
52
	;;
53
 
53
 
54
	#
54
	#
55
	# Initialize hardcoded_* variables.
55
	# Initialize hardcoded_* variables.
56
	# (IA-64 port doesn't get these values from linker.)
-
 
57
	#
56
	#
58
	movl r8 = k_text_start	;;
57
	movl r14 = _hardcoded_ktext_size
59
	movl r9 = k_text_end	;;
58
	movl r15 = _hardcoded_kdata_size
60
	sub r8 = r9, r8		
59
	movl r16 = _hardcoded_load_address
61
	addl r10 = @gprel(hardcoded_ktext_size), gp;;
60
	addl r17 = @gprel(hardcoded_ktext_size), gp
62
	st4 [r10] = r8		;;
-
 
63
 
-
 
64
	movl r8 = k_data_start	;;
61
	addl r18 = @gprel(hardcoded_kdata_size), gp
65
	movl r9 = k_data_end	;;
-
 
66
	sub r8 = r9, r8		
-
 
67
	addl r10 = @gprel(hardcoded_kdata_size), gp;;
62
	addl r19 = @gprel(hardcoded_load_address), gp
-
 
63
	;;
68
	st4 [r10] = r8		;;
64
	st4 [r17] = r14
69
	
-
 
70
	addl r10 = @gprel(hardcoded_load_address), gp;;
65
	st4 [r18] = r15
71
	st8 [r10] = r1
66
	st8 [r19] = r16
72
	
67
	
73
	br.call.sptk.many b0=main_bsp
68
	br.call.sptk.many b0=main_bsp
74
 
69
 
75
0:
70
0:
76
	br 0b
71
	br 0b
77
 
-
 
78
.section K_TEXT_END
-
 
79
.global k_text_end
-
 
80
k_text_end:
-
 
81
 
-
 
82
.section K_DATA_START
-
 
83
.global k_data_start
-
 
84
k_data_start:
-
 
85
 
-
 
86
.section K_DATA_END
-
 
87
.global k_data_end
-
 
88
k_data_end:
-