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author | imp <imp@FreeBSD.org> | 2012-11-08 04:02:36 +0000 |
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committer | imp <imp@FreeBSD.org> | 2012-11-08 04:02:36 +0000 |
commit | b19f8ebcdc39c702941ac398a3e39140afc7e9c5 (patch) | |
tree | 128dbcd556dbcee0759ea762a931131884f08a4a /sys/arm/at91 | |
parent | 37c975471a1d53a278f77b2229486c06ef3c370a (diff) | |
download | FreeBSD-src-b19f8ebcdc39c702941ac398a3e39140afc7e9c5.zip FreeBSD-src-b19f8ebcdc39c702941ac398a3e39140afc7e9c5.tar.gz |
Reduce differences between these two initarms a bit more.
Diffstat (limited to 'sys/arm/at91')
-rw-r--r-- | sys/arm/at91/at91_machdep.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/sys/arm/at91/at91_machdep.c b/sys/arm/at91/at91_machdep.c index d16ce19..f2b63cbd 100644 --- a/sys/arm/at91/at91_machdep.c +++ b/sys/arm/at91/at91_machdep.c @@ -96,6 +96,10 @@ __FBSDID("$FreeBSD$"); #include <arm/at91/at91sam9g20reg.h> #include <arm/at91/at91sam9g45reg.h> +#ifndef MAXCPU +#define MAXCPU 1 +#endif + /* Page table for mapping proc0 zero page */ #define KERNEL_PT_SYS 0 #define KERNEL_PT_KERN 1 @@ -454,7 +458,7 @@ initarm(struct arm_boot_params *abp) { struct pv_addr kernel_l1pt; struct pv_addr dpcpu; - int loop, i; + int i; u_int l1pagetable; vm_offset_t freemempos; vm_offset_t afterkern; @@ -482,16 +486,16 @@ initarm(struct arm_boot_params *abp) while (((freemempos - L1_TABLE_SIZE) & (L1_TABLE_SIZE - 1)) != 0) freemempos += PAGE_SIZE; valloc_pages(kernel_l1pt, L1_TABLE_SIZE / PAGE_SIZE); - for (loop = 0; loop < NUM_KERNEL_PTS; ++loop) { - if (!(loop % (PAGE_SIZE / L2_TABLE_SIZE_REAL))) { - valloc_pages(kernel_pt_table[loop], + for (i = 0; i < NUM_KERNEL_PTS; ++i) { + if (!(i % (PAGE_SIZE / L2_TABLE_SIZE_REAL))) { + valloc_pages(kernel_pt_table[i], L2_TABLE_SIZE / PAGE_SIZE); } else { - kernel_pt_table[loop].pv_va = freemempos - - (loop % (PAGE_SIZE / L2_TABLE_SIZE_REAL)) * + kernel_pt_table[i].pv_va = freemempos - + (i % (PAGE_SIZE / L2_TABLE_SIZE_REAL)) * L2_TABLE_SIZE_REAL; - kernel_pt_table[loop].pv_pa = - kernel_pt_table[loop].pv_va - KERNVIRTADDR + + kernel_pt_table[i].pv_pa = + kernel_pt_table[i].pv_va - KERNVIRTADDR + KERNPHYSADDR; } } @@ -507,10 +511,10 @@ initarm(struct arm_boot_params *abp) dpcpu_init((void *)dpcpu.pv_va, 0); /* Allocate stacks for all modes */ - valloc_pages(irqstack, IRQ_STACK_SIZE); - valloc_pages(abtstack, ABT_STACK_SIZE); - valloc_pages(undstack, UND_STACK_SIZE); - valloc_pages(kernelstack, KSTACK_PAGES); + valloc_pages(irqstack, IRQ_STACK_SIZE * MAXCPU); + valloc_pages(abtstack, ABT_STACK_SIZE * MAXCPU); + valloc_pages(undstack, UND_STACK_SIZE * MAXCPU); + valloc_pages(kernelstack, KSTACK_PAGES * MAXCPU); valloc_pages(msgbufpv, round_page(msgbufsize) / PAGE_SIZE); /* @@ -558,9 +562,9 @@ initarm(struct arm_boot_params *abp) pmap_map_chunk(l1pagetable, msgbufpv.pv_va, msgbufpv.pv_pa, msgbufsize, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - for (loop = 0; loop < NUM_KERNEL_PTS; ++loop) { - pmap_map_chunk(l1pagetable, kernel_pt_table[loop].pv_va, - kernel_pt_table[loop].pv_pa, L2_TABLE_SIZE, + for (i = 0; i < NUM_KERNEL_PTS; ++i) { + pmap_map_chunk(l1pagetable, kernel_pt_table[i].pv_va, + kernel_pt_table[i].pv_pa, L2_TABLE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_PAGETABLE); } |