Changeset dd0c8a0 in mainline for kernel/arch/amd64


Ignore:
Timestamp:
2013-09-29T06:56:33Z (13 years ago)
Author:
Beniamino Galvani <b.galvani@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
a9bd960d
Parents:
3deb0155 (diff), 13be2583 (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 mainline changes.

Location:
kernel/arch/amd64
Files:
7 edited

Legend:

Unmodified
Added
Removed
  • kernel/arch/amd64/Makefile.inc

    r3deb0155 rdd0c8a0  
    3030BFD_ARCH = i386:x86-64
    3131BFD = binary
    32 CLANG_ARCH = x86_64
    3332
    3433FPU_NO_CFLAGS = -mno-sse -mno-sse2
     
    3635GCC_CFLAGS += $(CMN1)
    3736ICC_CFLAGS += $(CMN1)
     37CLANG_CFLAGS += $(CMN1)
    3838
    3939BITS = 64
  • kernel/arch/amd64/include/arch/mm/frame.h

    r3deb0155 rdd0c8a0  
    3939#define FRAME_SIZE   (1 << FRAME_WIDTH)
    4040
     41#define FRAME_LOWPRIO  0x1000
     42
    4143#ifndef __ASM__
    4244
  • kernel/arch/amd64/include/arch/mm/page.h

    r3deb0155 rdd0c8a0  
    6161
    6262/* Page table sizes for each level. */
    63 #define PTL0_SIZE_ARCH  ONE_FRAME
    64 #define PTL1_SIZE_ARCH  ONE_FRAME
    65 #define PTL2_SIZE_ARCH  ONE_FRAME
    66 #define PTL3_SIZE_ARCH  ONE_FRAME
     63#define PTL0_FRAMES_ARCH  1
     64#define PTL1_FRAMES_ARCH  1
     65#define PTL2_FRAMES_ARCH  1
     66#define PTL3_FRAMES_ARCH  1
    6767
    6868/* Macros calculating indices into page tables in each level. */
  • kernel/arch/amd64/include/arch/pm.h

    r3deb0155 rdd0c8a0  
    5757#ifdef CONFIG_FB
    5858
    59 #define VESA_INIT_DES      8
    6059#define VESA_INIT_SEGMENT  0x8000
     60#define VESA_INIT_CODE_DES      8
     61#define VESA_INIT_DATA_DES      9
    6162
    6263#undef GDT_ITEMS
    63 #define GDT_ITEMS  9
     64#define GDT_ITEMS  10
    6465
    6566#endif /* CONFIG_FB */
  • kernel/arch/amd64/src/ddi/ddi.c

    r3deb0155 rdd0c8a0  
    4242#include <errno.h>
    4343#include <arch/cpu.h>
     44#include <cpu.h>
    4445#include <arch.h>
    4546#include <align.h>
     
    5859int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size)
    5960{
    60         size_t bits = ioaddr + size;
    61         if (bits > IO_PORTS)
     61        size_t elements = ioaddr + size;
     62        if (elements > IO_PORTS)
    6263                return ENOENT;
    6364       
    64         if (task->arch.iomap.bits < bits) {
     65        if (task->arch.iomap.elements < elements) {
    6566                /*
    6667                 * The I/O permission bitmap is too small and needs to be grown.
    6768                 */
    6869               
    69                 uint8_t *newmap = (uint8_t *) malloc(BITS2BYTES(bits), FRAME_ATOMIC);
    70                 if (!newmap)
     70                void *store = malloc(bitmap_size(elements), FRAME_ATOMIC);
     71                if (!store)
    7172                        return ENOMEM;
    7273               
    7374                bitmap_t oldiomap;
    74                 bitmap_initialize(&oldiomap, task->arch.iomap.map,
     75                bitmap_initialize(&oldiomap, task->arch.iomap.elements,
    7576                    task->arch.iomap.bits);
    76                 bitmap_initialize(&task->arch.iomap, newmap, bits);
     77               
     78                bitmap_initialize(&task->arch.iomap, elements, store);
    7779               
    7880                /*
    7981                 * Mark the new range inaccessible.
    8082                 */
    81                 bitmap_set_range(&task->arch.iomap, oldiomap.bits,
    82                     bits - oldiomap.bits);
     83                bitmap_set_range(&task->arch.iomap, oldiomap.elements,
     84                    elements - oldiomap.elements);
    8385               
    8486                /*
     
    8890                if (oldiomap.bits) {
    8991                        bitmap_copy(&task->arch.iomap, &oldiomap,
    90                             oldiomap.bits);
    91                         free(oldiomap.map);
     92                            oldiomap.elements);
     93                       
     94                        free(oldiomap.bits);
    9295                }
    9396        }
     
    9699         * Enable the range and we are done.
    97100         */
    98         bitmap_clear_range(&task->arch.iomap, (size_t) ioaddr, (size_t) size);
     101        bitmap_clear_range(&task->arch.iomap, (size_t) ioaddr, size);
    99102       
    100103        /*
     
    118121        /* First, copy the I/O Permission Bitmap. */
    119122        irq_spinlock_lock(&TASK->lock, false);
     123       
    120124        size_t ver = TASK->arch.iomapver;
    121         size_t bits = TASK->arch.iomap.bits;
    122         if (bits) {
    123                 ASSERT(TASK->arch.iomap.map);
     125        size_t elements = TASK->arch.iomap.elements;
     126       
     127        if (elements > 0) {
     128                ASSERT(TASK->arch.iomap.bits);
    124129               
    125130                bitmap_t iomap;
    126                 bitmap_initialize(&iomap, CPU->arch.tss->iomap,
    127                     TSS_IOMAP_SIZE * 8);
    128                 bitmap_copy(&iomap, &TASK->arch.iomap, bits);
     131                bitmap_initialize(&iomap, TSS_IOMAP_SIZE * 8,
     132                    CPU->arch.tss->iomap);
     133                bitmap_copy(&iomap, &TASK->arch.iomap, elements);
    129134               
    130135                /*
     
    132137                 * I/O access.
    133138                 */
    134                 bitmap_set_range(&iomap, bits, ALIGN_UP(bits, 8) - bits);
     139                bitmap_set_range(&iomap, elements,
     140                    ALIGN_UP(elements, 8) - elements);
     141               
    135142                /*
    136143                 * It is safe to set the trailing eight bits because of the
    137144                 * extra convenience byte in TSS_IOMAP_SIZE.
    138145                 */
    139                 bitmap_set_range(&iomap, ALIGN_UP(bits, 8), 8);
     146                bitmap_set_range(&iomap, ALIGN_UP(elements, 8), 8);
    140147        }
     148       
    141149        irq_spinlock_unlock(&TASK->lock, false);
    142150       
    143151        /*
    144152         * Second, adjust TSS segment limit.
    145          * Take the extra ending byte will all bits set into account.
     153         * Take the extra ending byte with all bits set into account.
    146154         */
    147155        ptr_16_64_t cpugdtr;
     
    149157       
    150158        descriptor_t *gdt_p = (descriptor_t *) cpugdtr.base;
    151         gdt_tss_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE + BITS2BYTES(bits));
     159        size_t size = bitmap_size(elements);
     160        gdt_tss_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE + size);
    152161        gdtr_load(&cpugdtr);
    153162       
  • kernel/arch/amd64/src/pm.c

    r3deb0155 rdd0c8a0  
    112112        /* VESA Init descriptor */
    113113#ifdef CONFIG_FB
    114         {
    115                 0xffff, 0, VESA_INIT_SEGMENT >> 12, AR_PRESENT | AR_CODE | DPL_KERNEL,
    116                     0xf, 0, 0, 0, 0, 0
    117         }
     114        { 0xffff, 0, VESA_INIT_SEGMENT >> 12, AR_PRESENT | AR_CODE | AR_READABLE | DPL_KERNEL, 0xf, 0, 0, 0, 0, 0 },
     115        { 0xffff, 0, VESA_INIT_SEGMENT >> 12, AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_KERNEL, 0xf, 0, 0, 0, 0, 0 }
    118116#endif
    119117};
  • kernel/arch/amd64/src/proc/task.c

    r3deb0155 rdd0c8a0  
    3434
    3535#include <proc/task.h>
     36#include <typedefs.h>
     37#include <adt/bitmap.h>
    3638#include <mm/slab.h>
    37 #include <typedefs.h>
    3839
    3940/** Perform amd64 specific task initialization.
     
    4546{
    4647        task->arch.iomapver = 0;
    47         bitmap_initialize(&task->arch.iomap, NULL, 0);
     48        bitmap_initialize(&task->arch.iomap, 0, NULL);
    4849}
    4950
     
    5556void task_destroy_arch(task_t *task)
    5657{
    57         if (task->arch.iomap.map)
    58                 free(task->arch.iomap.map);
     58        if (task->arch.iomap.bits != NULL)
     59                free(task->arch.iomap.bits);
    5960}
    6061
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