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authorPeter Maydell <peter.maydell@linaro.org>2014-06-05 21:06:13 +0100
committerPeter Maydell <peter.maydell@linaro.org>2014-06-05 21:06:14 +0100
commit31e25e3e5701607a2a88b5b6c5fb1057b20941fd (patch)
tree757e835a8cef83a5e28f5e99704854836ca5df62 /target-i386/misc_helper.c
parent9d48d3f01cf3f67d54cd7e2c7834e97a57cea0b8 (diff)
parent16b96f82cdfcb185560c2f8ebfc731711e2ccb2d (diff)
downloadfocaccia-qemu-31e25e3e5701607a2a88b5b6c5fb1057b20941fd.tar.gz
focaccia-qemu-31e25e3e5701607a2a88b5b6c5fb1057b20941fd.zip
Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging
* remotes/bonzini/softmmu-smap: (33 commits)
  target-i386: cleanup x86_cpu_get_phys_page_debug
  target-i386: fix protection bits in the TLB for SMEP
  target-i386: support long addresses for 4MB pages (PSE-36)
  target-i386: raise page fault for reserved bits in large pages
  target-i386: unify reserved bits and NX bit check
  target-i386: simplify pte/vaddr calculation
  target-i386: raise page fault for reserved physical address bits
  target-i386: test reserved PS bit on PML4Es
  target-i386: set correct error code for reserved bit access
  target-i386: introduce support for 1 GB pages
  target-i386: introduce do_check_protect label
  target-i386: tweak handling of PG_NX_MASK
  target-i386: commonize checks for PAE and non-PAE
  target-i386: commonize checks for 4MB and 4KB pages
  target-i386: commonize checks for 2MB and 4KB pages
  target-i386: fix coding standards in x86_cpu_handle_mmu_fault
  target-i386: simplify SMAP handling in MMU_KSMAP_IDX
  target-i386: fix kernel accesses with SMAP and CPL = 3
  target-i386: move check_io helpers to seg_helper.c
  target-i386: rename KSMAP to KNOSMAP
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-i386/misc_helper.c')
-rw-r--r--target-i386/misc_helper.c47
1 files changed, 1 insertions, 46 deletions
diff --git a/target-i386/misc_helper.c b/target-i386/misc_helper.c
index 9cfa25f9ec..4aaf1e4d95 100644
--- a/target-i386/misc_helper.c
+++ b/target-i386/misc_helper.c
@@ -20,52 +20,7 @@
 #include "cpu.h"
 #include "exec/ioport.h"
 #include "exec/helper-proto.h"
-
-#if !defined(CONFIG_USER_ONLY)
-#include "exec/softmmu_exec.h"
-#endif /* !defined(CONFIG_USER_ONLY) */
-
-/* check if Port I/O is allowed in TSS */
-static inline void check_io(CPUX86State *env, int addr, int size)
-{
-    int io_offset, val, mask;
-
-    /* TSS must be a valid 32 bit one */
-    if (!(env->tr.flags & DESC_P_MASK) ||
-        ((env->tr.flags >> DESC_TYPE_SHIFT) & 0xf) != 9 ||
-        env->tr.limit < 103) {
-        goto fail;
-    }
-    io_offset = cpu_lduw_kernel(env, env->tr.base + 0x66);
-    io_offset += (addr >> 3);
-    /* Note: the check needs two bytes */
-    if ((io_offset + 1) > env->tr.limit) {
-        goto fail;
-    }
-    val = cpu_lduw_kernel(env, env->tr.base + io_offset);
-    val >>= (addr & 7);
-    mask = (1 << size) - 1;
-    /* all bits must be zero to allow the I/O */
-    if ((val & mask) != 0) {
-    fail:
-        raise_exception_err(env, EXCP0D_GPF, 0);
-    }
-}
-
-void helper_check_iob(CPUX86State *env, uint32_t t0)
-{
-    check_io(env, t0, 1);
-}
-
-void helper_check_iow(CPUX86State *env, uint32_t t0)
-{
-    check_io(env, t0, 2);
-}
-
-void helper_check_iol(CPUX86State *env, uint32_t t0)
-{
-    check_io(env, t0, 4);
-}
+#include "exec/cpu_ldst.h"
 
 void helper_outb(uint32_t port, uint32_t data)
 {