Changeset b473611 in mainline for kernel/arch/sparc64/src


Ignore:
Timestamp:
2010-02-13T23:56:33Z (15 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
e3a3a619
Parents:
e70edd1 (diff), b86d436 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge the sparc branch.
Both sun4u and sun4v appear to work.
HM cleanup is pending.

Location:
kernel/arch/sparc64/src
Files:
14 added
5 edited
10 moved

Legend:

Unmodified
Added
Removed

  • kernel/arch/sparc64/src/asm.S

    re70edd1 rb473611  
    2929#include <arch/arch.h>
    3030#include <arch/stack.h>
    31 #include <arch/regdef.h>
    32 #include <arch/mm/mmu.h>
    3331
    3432.text
    … …  
    234232        nop
    235233
    236 
    237 .macro WRITE_ALTERNATE_REGISTER reg, bit
    238         rdpr %pstate, %g1                               ! save PSTATE.PEF
    239         wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate
    240         mov %o0, \reg
    241         wrpr %g0, PSTATE_PRIV_BIT, %pstate
    242         retl
    243         wrpr %g1, 0, %pstate                            ! restore PSTATE.PEF
    244 .endm
    245 
    246 .macro READ_ALTERNATE_REGISTER reg, bit
    247         rdpr %pstate, %g1                               ! save PSTATE.PEF
    248         wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate
    249         mov \reg, %o0
    250         wrpr %g0, PSTATE_PRIV_BIT, %pstate
    251         retl
    252         wrpr %g1, 0, %pstate                            ! restore PSTATE.PEF
    253 .endm
    254 
    255 .global write_to_ag_g6
    256 write_to_ag_g6:
    257         WRITE_ALTERNATE_REGISTER %g6, PSTATE_AG_BIT
    258 
    259 .global write_to_ag_g7
    260 write_to_ag_g7:
    261         WRITE_ALTERNATE_REGISTER %g7, PSTATE_AG_BIT
    262 
    263 .global write_to_ig_g6
    264 write_to_ig_g6:
    265         WRITE_ALTERNATE_REGISTER %g6, PSTATE_IG_BIT
    266 
    267 .global read_from_ag_g7
    268 read_from_ag_g7:
    269         READ_ALTERNATE_REGISTER %g7, PSTATE_AG_BIT
    270 
    271 
    272 /** Switch to userspace.
    273  *
    274  * %o0  Userspace entry address.
    275  * %o1  Userspace stack pointer address.
    276  * %o2  Userspace address of uarg structure.
    277  */
    278 .global switch_to_userspace
    279 switch_to_userspace:
    280         save %o1, -(STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE), %sp
    281         flushw
    282         wrpr %g0, 0, %cleanwin          ! avoid information leak
    283 
    284         mov %i2, %o0                    ! uarg
    285         xor %o1, %o1, %o1               ! %o1 is defined to hold pcb_ptr
    286                                         ! set it to 0
    287 
    288         clr %i2
    289         clr %i3
    290         clr %i4
    291         clr %i5
    292         clr %i6
    293 
    294         wrpr %g0, 1, %tl                ! enforce mapping via nucleus
    295 
    296         rdpr %cwp, %g1
    297         wrpr %g1, TSTATE_IE_BIT, %tstate
    298         wrpr %i0, 0, %tnpc
    299        
    300         /*
    301          * Set primary context according to secondary context.
    302          * Secondary context has been already installed by
    303          * higher-level functions.
    304          */
    305         wr %g0, ASI_DMMU, %asi
    306         ldxa [VA_SECONDARY_CONTEXT_REG] %asi, %g1
    307         stxa %g1, [VA_PRIMARY_CONTEXT_REG] %asi
    308         flush %i7
    309 
    310         /*
    311          * Spills and fills will be handled by the userspace handlers.
    312          */
    313         wrpr %g0, WSTATE_OTHER(0) | WSTATE_NORMAL(1), %wstate
    314        
    315         done                            ! jump to userspace
    316 

  • kernel/arch/sparc64/src/drivers/kbd.c

    re70edd1 rb473611  
    3939#include <console/console.h>
    4040#include <ddi/irq.h>
     41#include <mm/page.h>
    4142#include <arch/mm/page.h>
    4243#include <arch/types.h>

  • kernel/arch/sparc64/src/drivers/tick.c

    re70edd1 rb473611  
    5454        interrupt_register(14, "tick_int", tick_interrupt);
    5555        compare.int_dis = false;
    56         compare.tick_cmpr = CPU->arch.clock_frequency / HZ;
     56        compare.tick_cmpr = tick_counter_read() +
     57                CPU->arch.clock_frequency / HZ;
    5758        CPU->arch.next_tick_cmpr = compare.tick_cmpr;
    5859        tick_compare_write(compare.value);
    59         tick_write(0);
    6060
    61 #if defined (US3)
     61#if defined (US3) || defined (SUN4V)
    6262        /* disable STICK interrupts and clear any pending ones */
    6363        tick_compare_reg_t stick_compare;
    … …  
    111111         * overflow only in 146 years.
    112112         */
    113         drift = tick_read() - CPU->arch.next_tick_cmpr;
     113        drift = tick_counter_read() - CPU->arch.next_tick_cmpr;
    114114        while (drift > CPU->arch.clock_frequency / HZ) {
    115115                drift -= CPU->arch.clock_frequency / HZ;
    116116                CPU->missed_clock_ticks++;
    117117        }
    118         CPU->arch.next_tick_cmpr = tick_read() +
     118        CPU->arch.next_tick_cmpr = tick_counter_read() +
    119119            (CPU->arch.clock_frequency / HZ) - drift;
    120120        tick_compare_write(CPU->arch.next_tick_cmpr);

  • kernel/arch/sparc64/src/mm/page.c

    re70edd1 rb473611  
    3333 */
    3434
     35#include <mm/page.h>
    3536#include <arch/mm/page.h>
    3637#include <arch/mm/tlb.h>

  • kernel/arch/sparc64/src/mm/sun4u/tlb.c

    re70edd1 rb473611  
    3737#include <mm/as.h>
    3838#include <mm/asid.h>
    39 #include <genarch/mm/page_ht.h>
    4039#include <arch/mm/frame.h>
    4140#include <arch/mm/page.h>
    … …  
    5150#include <panic.h>
    5251#include <arch/asm.h>
     52#include <genarch/mm/page_ht.h>
    5353
    5454#ifdef CONFIG_TSB

  • kernel/arch/sparc64/src/trap/exception.c

    re70edd1 rb473611  
    162162        fault_if_from_uspace(istate, "%s.", __func__);
    163163        dump_istate(istate);
    164         dump_sfsr_and_sfar();
     164//MH
     165//      dump_sfsr_and_sfar();
    165166        panic("%s.", __func__);
    166167}
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