#include <string.h>
#include <errno.h>
#include <unistd.h>
+#include <sys/mman.h>
#include "qemu.h"
#include "qemu-common.h"
p[1] = tswap32(e2);
}
+static uint64_t *idt_table;
#ifdef TARGET_X86_64
-static uint64_t idt_table[512];
-
static void set_gate64(void *ptr, unsigned int type, unsigned int dpl,
uint64_t addr, unsigned int sel)
{
set_gate64(idt_table + n * 2, 0, dpl, 0, 0);
}
#else
-static uint64_t idt_table[256];
-
static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
uint32_t addr, unsigned int sel)
{
#endif
/* linux interrupt setup */
- env->idt.base = h2g(idt_table);
- env->idt.limit = sizeof(idt_table) - 1;
+#ifndef TARGET_ABI32
+ env->idt.limit = 511;
+#else
+ env->idt.limit = 255;
+#endif
+ env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1),
+ PROT_READ|PROT_WRITE,
+ MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
+ idt_table = g2h(env->idt.base);
set_idt(0, 0);
set_idt(1, 0);
set_idt(2, 0);
/* linux segment setup */
{
uint64_t *gdt_table;
- gdt_table = qemu_mallocz(sizeof(uint64_t) * TARGET_GDT_ENTRIES);
- env->gdt.base = h2g((unsigned long)gdt_table);
+ env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
+ PROT_READ|PROT_WRITE,
+ MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1;
+ gdt_table = g2h(env->gdt.base);
#ifdef TARGET_ABI32
write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
}
/* allocate the LDT */
if (!ldt_table) {
- ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
- if (!ldt_table)
+ env->ldt.base = target_mmap(0,
+ TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
+ PROT_READ|PROT_WRITE,
+ MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
+ if (env->ldt.base == -1)
return -TARGET_ENOMEM;
- memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
- env->ldt.base = h2g((unsigned long)ldt_table);
+ memset(g2h(env->ldt.base), 0,
+ TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
env->ldt.limit = 0xffff;
+ ldt_table = g2h(env->ldt.base);
}
/* NOTE: same code as Linux kernel */