Subversion Repositories HelenOS

Rev

Rev 1905 | Rev 1954 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1905 Rev 1906
Line 74... Line 74...
74 
	wrpr %g0, PSTATE_PRIV_BIT, %pstate	! Disable interrupts and disable 32-bit address masking.
 74 
	wrpr %g0, PSTATE_PRIV_BIT, %pstate	! Disable interrupts and disable 32-bit address masking.
75 
 
 75 
 
76 
	wrpr %g0, 0, %pil			! intialize %pil
 76 
	wrpr %g0, 0, %pil			! intialize %pil
77 
 
 77 
 
78 
	/*
 78 
	/*
79 
	 * Copy the bootinfo structure passed from the boot loader
 - 
 
80 
	 * to the kernel bootinfo structure.
 - 
 
81 
	 */
 - 
 
82 
	brz %l7, 0f				! skip if you are not the bootstrap CPU
 - 
 
83 
	nop
 - 
 
84
- 
 
85 
	sethi %hi(bootinfo), %o0
 - 
 
86 
	call memcpy
 - 
 
87 
	or %o0, %lo(bootinfo), %o0
 - 
 
88 
0:
 - 
 
89 
 
 - 
 
90 
	/*
 - 
 
91 
	 * Switch to kernel trap table.
 79 
	 * Switch to kernel trap table.
92 
	 */
 80 
	 */
93 
	sethi %hi(trap_table), %g1
 81 
	sethi %hi(trap_table), %g1
94 
	wrpr %g1, %lo(trap_table), %tba
 82 
	wrpr %g1, %lo(trap_table), %tba
95 
 
 83 
 
Line 207... Line 195...
207 
	! write ITLB data and install the permanent kernel mapping in context 0
 195 
	! write ITLB data and install the permanent kernel mapping in context 0
208 
	SET_TLB_DATA(g1, g2, TTE_L)		! use non-global mapping
 196 
	SET_TLB_DATA(g1, g2, TTE_L)		! use non-global mapping
209 
	stxa %g1, [%g0] ASI_ITLB_DATA_IN_REG
197 
	stxa %g1, [%g0] ASI_ITLB_DATA_IN_REG
210 
	flush %g5
 198 
	flush %g5
211 
 
 199 
 
212 
	! switch to context 0
 - 
 
213 
	stxa %g0, [VA_PRIMARY_CONTEXT_REG] %asi	! ASI_DMMU is correct here !!!
 - 
 
214 
	flush %g5
 - 
 
215 
 
 - 
 
216 
	! ensure nucleus mapping
 200 
	! enter nucleus - using context 0
217 
	wrpr %g0, 1, %tl
 201 
	wrpr %g0, 1, %tl
218 
 
 202 
 
219 
	! set context 1 in the primary context register
 - 
 
220 
	mov MEM_CONTEXT_TEMP, %g1
 - 
 
221 
	stxa %g1, [VA_PRIMARY_CONTEXT_REG] %asi	! ASI_DMMU is correct here !!!
 - 
 
222 
	flush %g5
 - 
 
223 
 
 - 
 
224 
	! demap context 1
 203 
	! demap context 1
225 
	SET_TLB_DEMAP_CMD(g1, TLB_DEMAP_PRIMARY)
 204 
	SET_TLB_DEMAP_CMD(g1, TLB_DEMAP_PRIMARY)
226 
	stxa %g0, [%g1] ASI_IMMU_DEMAP
205 
	stxa %g0, [%g1] ASI_IMMU_DEMAP
227 
	flush %g5
 206 
	flush %g5
228
207
229 
	! set context 0 in the primary context register
 208 
	! set context 0 in the primary context register
230 
	stxa %g0, [VA_PRIMARY_CONTEXT_REG] %asi	! ASI_DMMU is correct here !!!
 209 
	stxa %g0, [VA_PRIMARY_CONTEXT_REG] %asi	! ASI_DMMU is correct here !!!
231 
	flush %g5
 210 
	flush %g5
232
211
233 
	! set TL back to 0
 212 
	! leave nucleus - using primary context, i.e. context 0
234 
	wrpr %g0, 0, %tl
 213 
	wrpr %g0, 0, %tl
235 
 
 214 
 
236 
	brz %l7, 1f				! skip if you are not the bootstrap CPU
 215 
	brz %l7, 1f				! skip if you are not the bootstrap CPU
237 
	nop
 216 
	nop
238 
 
 217 
 
- 
 
 218 
	sethi %hi(bootinfo), %o0
- 
 
 219 
	call memcpy				! copy bootinfo
- 
 
 220 
	or %o0, %lo(bootinfo), %o0
- 
 
 221 
 
239 
	call arch_pre_main
 222 
	call arch_pre_main
240 
	nop
 223 
	nop
241
224
242 
	call main_bsp
 225 
	call main_bsp
243 
	nop
 226 
	nop
Line 269... Line 252...
269 
	ldx [%g2], %g3
 252 
	ldx [%g2], %g3
270 
	cmp %g3, %g1
 253 
	cmp %g3, %g1
271 
	bne 2b
 254 
	bne 2b
272 
	nop
 255 
	nop
273 
 
 256 
 
274 
 
 - 
 
275 
	/*
 257 
	/*
276 
	 * Configure stack for the AP.
 258 
	 * Configure stack for the AP.
277 
	 * The AP is expected to use the stack saved
 259 
	 * The AP is expected to use the stack saved
278 
	 * in the ctx global variable.
 260 
	 * in the ctx global variable.
279 
	 */
 261 
	 */