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increase the size of the MPB

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This commit is contained in:
Stefan Lankes 2015-10-19 23:27:24 +02:00
parent a90238ea79
commit 56bed9455e
3 changed files with 9 additions and 4 deletions
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1
hermit/include/hermit/rcce.h
View file

@ -37,6 +37,7 @@
#include <hermit/islelock.h>
#define RCCE_MAXNP 8
#define RCCE_MPB_SIZE (64*1024)
typedef struct tas {
volatile unsigned char reg;

8
hermit/kernel/syscall.c
View file

@ -423,7 +423,7 @@ static int sys_rcce_init(int session_id)
goto out;
}
paddr = get_pages(2);
paddr = get_pages(RCCE_MPB_SIZE / PAGE_SIZE);
if (BUILTIN_EXPECT(!paddr, 0))
{
err = -ENOMEM;
@ -468,11 +468,11 @@ static size_t sys_rcce_malloc(int session_id, int ue)
if (i >= MAX_RCCE_SESSIONS)
goto out;
vaddr = vma_alloc(2*PAGE_SIZE, VMA_READ|VMA_WRITE|VMA_USER|VMA_CACHEABLE);
vaddr = vma_alloc(RCCE_MPB_SIZE, VMA_READ|VMA_WRITE|VMA_USER|VMA_CACHEABLE);
if (BUILTIN_EXPECT(!vaddr, 0))
goto out;
if (page_map(vaddr, rcce_mpb[i].mpb[ue], 2, PG_RW|PG_USER|PG_PRESENT)) {
if (page_map(vaddr, rcce_mpb[i].mpb[ue], RCCE_MPB_SIZE / PAGE_SIZE, PG_RW|PG_USER|PG_PRESENT)) {
vma_free(vaddr, vaddr + 2*PAGE_SIZE);
goto out;
}
@ -511,7 +511,7 @@ static int sys_rcce_fini(int session_id)
}
if (rcce_mpb[i].mpb[isle])
put_pages(rcce_mpb[i].mpb[isle], 2);
put_pages(rcce_mpb[i].mpb[isle], RCCE_MPB_SIZE / PAGE_SIZE);
rcce_mpb[i].mpb[isle] = 0;
for(j=0; (j<MAX_ISLE) && !rcce_mpb[i].mpb[j]; j++)

4
hermit/usr/ircce/RCCE.h
View file

@ -63,7 +63,11 @@
#endif
#define RCCE_LINE_SIZE (1<<LOG2_LINE_SIZE)
// RCCE_BUFF_SIZE_MAX is space per UE, which is half of the space per tile
#ifdef __hermit__
#define RCCE_BUFF_SIZE_MAX (64*1024)
#else
#define RCCE_BUFF_SIZE_MAX (1<<13)
#endif
#ifdef SHMADD
//64MB