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Get rid of workarounds to avoid ins/outs instructions emitted by the guest.

Browse Source 
They can be emulated if needed in the future.

Obtained from:	NetApp
This commit is contained in:
Neel Natu 2013-01-05 02:10:27 +00:00
parent 46b1c55d9e
commit 1c211178a7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/bhyve/; revision=245053
1 changed files with 18 additions and 42 deletions
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60
sys/x86/include/bus.h
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@ -294,13 +294,9 @@ bus_space_read_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t *addr, size_t count)
{
if (tag == X86_BUS_SPACE_IO) {
while (count > 0) {
*addr = inb(bsh + offset);
count--;
addr++;
}
} else {
if (tag == X86_BUS_SPACE_IO)
insb(bsh + offset, addr, count);
else {
#ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\
cld \n\
@ -319,13 +315,9 @@ bus_space_read_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t *addr, size_t count)
{
if (tag == X86_BUS_SPACE_IO) {
while (count > 0) {
*addr = inw(bsh + offset);
count--;
addr++;
}
} else {
if (tag == X86_BUS_SPACE_IO)
insw(bsh + offset, addr, count);
else {
#ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\
cld \n\
@ -344,13 +336,9 @@ bus_space_read_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t *addr, size_t count)
{
if (tag == X86_BUS_SPACE_IO) {
while (count > 0) {
*addr = inl(bsh + offset);
count--;
addr++;
}
} else {
if (tag == X86_BUS_SPACE_IO)
insl(bsh + offset, addr, count);
else {
#ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\
cld \n\
@ -585,13 +573,9 @@ bus_space_write_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int8_t *addr, size_t count)
{
if (tag == X86_BUS_SPACE_IO) {
while (count > 0) {
outb(bsh + offset, *addr);
addr++;
count--;
}
} else {
if (tag == X86_BUS_SPACE_IO)
outsb(bsh + offset, addr, count);
else {
#ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\
cld \n\
@ -610,13 +594,9 @@ bus_space_write_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int16_t *addr, size_t count)
{
if (tag == X86_BUS_SPACE_IO) {
while (count > 0) {
outw(bsh + offset, *addr);
addr++;
count--;
}
} else {
if (tag == X86_BUS_SPACE_IO)
outsw(bsh + offset, addr, count);
else {
#ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\
cld \n\
@ -635,13 +615,9 @@ bus_space_write_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int32_t *addr, size_t count)
{
if (tag == X86_BUS_SPACE_IO) {
while (count > 0) {
outl(bsh + offset, *addr);
addr++;
count--;
}
} else {
if (tag == X86_BUS_SPACE_IO)
outsl(bsh + offset, addr, count);
else {
#ifdef __GNUCLIKE_ASM
__asm __volatile(" \n\
cld \n\