d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add tte_hash and tsb update handlers for handling tte_hash and tsb

Browse Source 
resizing across cpus
This commit is contained in:
kmacy 2006-11-22 01:47:58 +00:00
parent ee205a3355
commit e45c2b9efd
2 changed files with 56 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/sun4v/include/smp.h
View File

@ -100,17 +100,13 @@ extern u_long mp_tramp_func;
extern void mp_startup(void);
extern char tl_ipi_cheetah_dcache_page_inval[];
extern char tl_ipi_spitfire_dcache_page_inval[];
extern char tl_ipi_spitfire_icache_page_inval[];
extern char tl_ipi_level[];
extern char tl_invltlb[];
extern char tl_invlctx[];
extern char tl_invlpg[];
extern char tl_ipi_tlb_context_demap[];
extern char tl_ipi_tlb_page_demap[];
extern char tl_ipi_tlb_range_demap[];
extern char tl_tsbupdate[];
extern char tl_ttehashupdate[];
#ifdef SMP

57
sys/sun4v/sun4v/interrupt.S
View File

@ -41,10 +41,12 @@ __FBSDID("$FreeBSD$");
#define PUTCHAR(x) \
mov x, %o0 ; \
0: mov x, %o0 ; \
mov CONS_WRITE, %o5 ; \
ta FAST_TRAP
ta FAST_TRAP ; \
brnz %o0, 0b ; \
nop
ENTRY(intr_fast)
save %sp, -CCFSZ, %sp
1: ldx [PCPU(IRHEAD)], %l0
@ -460,7 +462,51 @@ ENTRY(tl_invlpg)
ba,a,pt %xcc, set_ackmask
nop
END(tl_invlpg)
ENTRY(tl_tsbupdate)
/* compare current context with one to be updated */
mov MMU_CID_S, %g4
GET_MMU_CONTEXT(%g4, %g4)
cmp %g1, %g4
bne,a,pt %xcc, set_ackmask
nop
/* update scratch pointer to tsbscratch */
wr %g0, ASI_REAL, %asi
ldxa [%g2]%asi, %g4 ! tsbscratch
ldxa [%g2 + 8]%asi, %g2 ! tsb_ra
mov SCRATCH_REG_TSB_USER, %g5
SET_SCRATCH(%g5, %g4)
/* reset tsb context with hypervisor */
mov %o0, %g1
mov %o1, %g2
mov %o5, %g4
mov 1, %o0
mov %g2, %o1
mov MMU_TSB_CTXNON0, %o5
ta FAST_TRAP
/* XXX test %o0 */
mov %g4, %o5
mov %g2, %o1
mov %g1, %o0
ba,a,pt %xcc, set_ackmask
nop
END(tl_tsbupdate)
ENTRY(tl_ttehashupdate)
/* compare current context with one to be updated */
mov MMU_CID_S, %g4
GET_MMU_CONTEXT(%g4, %g4)
cmp %g1, %g4
bne,a,pt %xcc, set_ackmask
nop
/* update scratch pointer to hashscratch */
mov SCRATCH_REG_HASH_USER, %g4
SET_SCRATCH(%g4, %g2)
END(tl_ttehashupdate)
ENTRY(set_ackmask)
membar #Sync
GET_PCPU_PHYS_SCRATCH(%g6)
@ -507,6 +553,11 @@ interrupt_bad_hcall_error:
ENTRY(interrupt_panic_bad_hcall)
PUTCHAR(0x5b)
PUTCHAR(0x5b)
PUTCHAR(0x5b)
PUTCHAR(0x5b)
PUTCHAR(0x5b)
mov %o0, %o2
sethi %hi(interrupt_bad_hcall_error), %o0
or %o0, %lo(interrupt_bad_hcall_error), %o0