add arm64 support

- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests
This commit is contained in:
Takayuki Okamoto
2017-09-05 15:06:27 +09:00
parent 704096b139
commit 9989f41fd3
192 changed files with 26941 additions and 34 deletions

View File

@ -1,7 +1,18 @@
/* archdeps.c COPYRIGHT FUJITSU LIMITED 2016 */
#include <linux/version.h>
#include "../../../config.h"
#include "../../mcctrl.h"
#ifdef POSTK_DEBUG_ARCH_DEP_83 /* arch depend translate_rva_to_rpa() move */
//#define SC_DEBUG
#ifdef SC_DEBUG
#define dprintk(...) printk(__VA_ARGS__)
#else
#define dprintk(...)
#endif
#endif /* POSTK_DEBUG_ARCH_DEP_83 */
#ifdef MCCTRL_KSYM_vdso_image_64
#if MCCTRL_KSYM_vdso_image_64
struct vdso_image *vdso_image = (void *)MCCTRL_KSYM_vdso_image_64;
@ -54,6 +65,25 @@ void **hv_clockp
= NULL;
#endif
#ifdef POSTK_DEBUG_ARCH_DEP_52
#define VDSO_MAXPAGES 2
struct vdso {
long busy;
int vdso_npages;
char vvar_is_global;
char hpet_is_global;
char pvti_is_global;
char padding;
long vdso_physlist[VDSO_MAXPAGES];
void *vvar_virt;
long vvar_phys;
void *hpet_virt;
long hpet_phys;
void *pvti_virt;
long pvti_phys;
};
#endif /*POSTK_DEBUG_ARCH_DEP_52*/
unsigned long
reserve_user_space_common(struct mcctrl_usrdata *usrdata, unsigned long start, unsigned long end);
@ -258,3 +288,76 @@ get_fs_ctx(void *ctx)
return tctx->fs;
}
#ifdef POSTK_DEBUG_ARCH_DEP_83 /* arch depend translate_rva_to_rpa() move */
int translate_rva_to_rpa(ihk_os_t os, unsigned long rpt, unsigned long rva,
unsigned long *rpap, unsigned long *pgsizep)
{
unsigned long rpa;
int offsh;
int i;
int ix;
unsigned long phys;
unsigned long *pt;
int error;
unsigned long pgsize;
rpa = rpt;
offsh = 39;
pgsize = 0;
/* i = 0: PML4, 1: PDPT, 2: PDT, 3: PT */
for (i = 0; i < 4; ++i) {
ix = (rva >> offsh) & 0x1FF;
phys = ihk_device_map_memory(ihk_os_to_dev(os), rpa, PAGE_SIZE);
pt = ihk_device_map_virtual(ihk_os_to_dev(os), phys, PAGE_SIZE, NULL, 0);
dprintk("rpa %#lx offsh %d ix %#x phys %#lx pt %p pt[ix] %#lx\n",
rpa, offsh, ix, phys, pt, pt[ix]);
#define PTE_P 0x001
if (!(pt[ix] & PTE_P)) {
ihk_device_unmap_virtual(ihk_os_to_dev(os), pt, PAGE_SIZE);
ihk_device_unmap_memory(ihk_os_to_dev(os), phys, PAGE_SIZE);
error = -EFAULT;
dprintk("Remote PTE is not present for 0x%lx (rpt: %lx) ?\n", rva, rpt);
goto out;
}
#define PTE_PS 0x080
if (pt[ix] & PTE_PS) {
pgsize = 1UL << offsh;
rpa = pt[ix] & ((1UL << 52) - 1) & ~(pgsize - 1);
rpa |= rva & (pgsize - 1);
ihk_device_unmap_virtual(ihk_os_to_dev(os), pt, PAGE_SIZE);
ihk_device_unmap_memory(ihk_os_to_dev(os), phys, PAGE_SIZE);
error = 0;
goto found;
}
rpa = pt[ix] & ((1UL << 52) - 1) & ~((1UL << 12) - 1);
offsh -= 9;
ihk_device_unmap_virtual(ihk_os_to_dev(os), pt, PAGE_SIZE);
ihk_device_unmap_memory(ihk_os_to_dev(os), phys, PAGE_SIZE);
}
pgsize = 1UL << 12;
rpa |= rva & (pgsize - 1);
found:
error = 0;
*rpap = rpa;
*pgsizep = pgsize;
out:
dprintk("translate_rva_to_rpa: %d rva %#lx --> rpa %#lx (%lx)\n",
error, rva, rpa, pgsize);
return error;
}
#endif /* POSTK_DEBUG_ARCH_DEP_83 */
#ifdef POSTK_DEBUG_ARCH_DEP_12
#define PFN_WRITE_COMBINED _PAGE_PWT
static inline bool pte_is_write_combined(pte_t pte)
{
return ((pte_flags(pte) & _PAGE_PWT) && !(pte_flags(pte) & _PAGE_PCD));
}
#endif /* POSTK_DEBUG_ARCH_DEP_12 */

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@ -0,0 +1,18 @@
/* archdeps.h COPYRIGHT FUJITSU LIMITED 2017 */
#ifdef POSTK_DEBUG_ARCH_DEP_83 /* arch depend translate_rva_to_rpa() move */
#ifndef __HEADER_MCCTRL_X86_64_ARCHDEPS_H
#define __HEADER_MCCTRL_X86_64_ARCHDEPS_H
extern int translate_rva_to_rpa(ihk_os_t os, unsigned long rpt, unsigned long rva,
unsigned long *rpap, unsigned long *pgsizep);
#ifdef POSTK_DEBUG_ARCH_DEP_12
#define PFN_WRITE_COMBINED _PAGE_PWT
static inline bool pte_is_write_combined(pte_t pte)
{
return ((pte_flags(pte) & _PAGE_PWT) && !(pte_flags(pte) & _PAGE_PCD));
}
#endif /* POSTK_DEBUG_ARCH_DEP_12 */
#endif /* __HEADER_MCCTRL_X86_64_ARCHDEPS_H */
#endif /* POSTK_DEBUG_ARCH_DEP_83 */