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-rw-r--r--arch/ppc/kernel/misc.S74
1 files changed, 0 insertions, 74 deletions
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index 5f6684012ded..d319f9ba2379 100644
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -110,80 +110,6 @@ _GLOBAL(reloc_got2)
110 blr 110 blr
111 111
112/* 112/*
113 * identify_cpu,
114 * called with r3 = data offset and r4 = CPU number
115 * doesn't change r3
116 */
117_GLOBAL(identify_cpu)
118 addis r8,r3,cpu_specs@ha
119 addi r8,r8,cpu_specs@l
120 mfpvr r7
1211:
122 lwz r5,CPU_SPEC_PVR_MASK(r8)
123 and r5,r5,r7
124 lwz r6,CPU_SPEC_PVR_VALUE(r8)
125 cmplw 0,r6,r5
126 beq 1f
127 addi r8,r8,CPU_SPEC_ENTRY_SIZE
128 b 1b
1291:
130 addis r6,r3,cur_cpu_spec@ha
131 addi r6,r6,cur_cpu_spec@l
132 sub r8,r8,r3
133 stw r8,0(r6)
134 blr
135
136/*
137 * do_cpu_ftr_fixups - goes through the list of CPU feature fixups
138 * and writes nop's over sections of code that don't apply for this cpu.
139 * r3 = data offset (not changed)
140 */
141_GLOBAL(do_cpu_ftr_fixups)
142 /* Get CPU 0 features */
143 addis r6,r3,cur_cpu_spec@ha
144 addi r6,r6,cur_cpu_spec@l
145 lwz r4,0(r6)
146 add r4,r4,r3
147 lwz r4,CPU_SPEC_FEATURES(r4)
148
149 /* Get the fixup table */
150 addis r6,r3,__start___ftr_fixup@ha
151 addi r6,r6,__start___ftr_fixup@l
152 addis r7,r3,__stop___ftr_fixup@ha
153 addi r7,r7,__stop___ftr_fixup@l
154
155 /* Do the fixup */
1561: cmplw 0,r6,r7
157 bgelr
158 addi r6,r6,16
159 lwz r8,-16(r6) /* mask */
160 and r8,r8,r4
161 lwz r9,-12(r6) /* value */
162 cmplw 0,r8,r9
163 beq 1b
164 lwz r8,-8(r6) /* section begin */
165 lwz r9,-4(r6) /* section end */
166 subf. r9,r8,r9
167 beq 1b
168 /* write nops over the section of code */
169 /* todo: if large section, add a branch at the start of it */
170 srwi r9,r9,2
171 mtctr r9
172 add r8,r8,r3
173 lis r0,0x60000000@h /* nop */
1743: stw r0,0(r8)
175 andi. r10,r4,CPU_FTR_SPLIT_ID_CACHE@l
176 beq 2f
177 dcbst 0,r8 /* suboptimal, but simpler */
178 sync
179 icbi 0,r8
1802: addi r8,r8,4
181 bdnz 3b
182 sync /* additional sync needed on g4 */
183 isync
184 b 1b
185
186/*
187 * call_setup_cpu - call the setup_cpu function for this cpu 113 * call_setup_cpu - call the setup_cpu function for this cpu
188 * r3 = data offset, r24 = cpu number 114 * r3 = data offset, r24 = cpu number
189 * 115 *