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2010-01-20 Vladimir Serbinenko <phcoder@gmail.com>

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Byte-addressable PCI configuration space.

	* bus/pci.c (grub_pci_make_address): Use byte address instead of
	dword address.
	(grub_pci_iterate): Use macroses GRUB_PCI_REG_PCI_ID and
	GRUB_PCI_REG_CACHELINE.
	* bus/usb/ohci.c (grub_ohci_pci_iter): Use macroses
	GRUB_PCI_REG_CLASS and GRUB_PCI_REG_ADDRESS_REG0.
	* bus/usb/uhci.c (grub_ohci_pci_iter): Use macroses
	GRUB_PCI_REG_CLASS and GRUB_PCI_REG_ADDRESS_REG4.
	* commands/efi/fixvideo.c (scan_card): Use macros GRUB_PCI_REG_CLASS.
	* commands/efi/loadbios.c (enable_rom_area): Pass byte-address to
	grub_pci_make_address.
	(lock_rom_area): Likewise.
	* commands/lspci.c (grub_lspci_iter): Use macroses
	GRUB_PCI_REG_CLASS and GRUB_PCI_REG_ADDRESSES. Handle byte-addressing
	of grub_pci_make_address.
	* disk/ata.c (grub_ata_pciinit): Likewise.
	* include/grub/pci.h (GRUB_PCI_REG_PCI_ID): New macro.
	(GRUB_PCI_REG_VENDOR): Likewise.
	(GRUB_PCI_REG_DEVICE): Likewise.
	(GRUB_PCI_REG_COMMAND): Likewise.
	(GRUB_PCI_REG_STATUS): Likewise.
	(GRUB_PCI_REG_REVISION): Likewise.
	(GRUB_PCI_REG_CLASS): Likewise.
	(GRUB_PCI_REG_CACHELINE): Likewise.
	(GRUB_PCI_REG_LAT_TIMER): Likewise.
	(GRUB_PCI_REG_HEADER_TYPE): Likewise.
	(GRUB_PCI_REG_BIST): Likewise.
	(GRUB_PCI_REG_ADDRESSES): Likewise.
	(GRUB_PCI_REG_ADDRESS_REG): Likewise.
	(GRUB_PCI_REG_ADDRESS_REG): Likewise.
	(GRUB_PCI_REG_ADDRESS_REG): Likewise.
	(GRUB_PCI_REG_ADDRESS_REG): Likewise.
	(GRUB_PCI_REG_ADDRESS_REG): Likewise.
	(GRUB_PCI_REG_ADDRESS_REG): Likewise.
	(GRUB_PCI_REG_CIS_POINTER): Likewise.
	(GRUB_PCI_REG_SUBVENDOR): Likewise.
	(GRUB_PCI_REG_SUBSYSTEM): Likewise.
	(GRUB_PCI_REG_ROM_ADDRESS): Likewise.
	(GRUB_PCI_REG_CAP_POINTER): Likewise.
	(GRUB_PCI_REG_IRQ_LINE): Likewise.
	(GRUB_PCI_REG_IRQ_PIN): Likewise.
	(GRUB_PCI_REG_MIN_GNT): Likewise.
	(GRUB_PCI_REG_MAX_LAT): Likewise.
	* loader/i386/efi/linux.c (find_framebuf): Use GRUB_PCI_REG_CLASS.
	* loader/i386/efi/xnu.c (find_framebuf): Likewise.
	* video/efi_uga.c (find_framebuf): Likewise.
	* util/pci.c (grub_pci_make_address): Use byte-addressed configuration
	space.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-01-20 20:42:35 +01:00
commit 449193d59e
13 changed files with 121 additions and 26 deletions
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53
ChangeLog
View file

@ -1,3 +1,56 @@
2010-01-20 Vladimir Serbinenko <phcoder@gmail.com>
Byte-addressable PCI configuration space.
* bus/pci.c (grub_pci_make_address): Use byte address instead of
dword address.
(grub_pci_iterate): Use macroses GRUB_PCI_REG_PCI_ID and
GRUB_PCI_REG_CACHELINE.
* bus/usb/ohci.c (grub_ohci_pci_iter): Use macroses
GRUB_PCI_REG_CLASS and GRUB_PCI_REG_ADDRESS_REG0.
* bus/usb/uhci.c (grub_ohci_pci_iter): Use macroses
GRUB_PCI_REG_CLASS and GRUB_PCI_REG_ADDRESS_REG4.
* commands/efi/fixvideo.c (scan_card): Use macros GRUB_PCI_REG_CLASS.
* commands/efi/loadbios.c (enable_rom_area): Pass byte-address to
grub_pci_make_address.
(lock_rom_area): Likewise.
* commands/lspci.c (grub_lspci_iter): Use macroses
GRUB_PCI_REG_CLASS and GRUB_PCI_REG_ADDRESSES. Handle byte-addressing
of grub_pci_make_address.
* disk/ata.c (grub_ata_pciinit): Likewise.
* include/grub/pci.h (GRUB_PCI_REG_PCI_ID): New macro.
(GRUB_PCI_REG_VENDOR): Likewise.
(GRUB_PCI_REG_DEVICE): Likewise.
(GRUB_PCI_REG_COMMAND): Likewise.
(GRUB_PCI_REG_STATUS): Likewise.
(GRUB_PCI_REG_REVISION): Likewise.
(GRUB_PCI_REG_CLASS): Likewise.
(GRUB_PCI_REG_CACHELINE): Likewise.
(GRUB_PCI_REG_LAT_TIMER): Likewise.
(GRUB_PCI_REG_HEADER_TYPE): Likewise.
(GRUB_PCI_REG_BIST): Likewise.
(GRUB_PCI_REG_ADDRESSES): Likewise.
(GRUB_PCI_REG_ADDRESS_REG): Likewise.
(GRUB_PCI_REG_ADDRESS_REG): Likewise.
(GRUB_PCI_REG_ADDRESS_REG): Likewise.
(GRUB_PCI_REG_ADDRESS_REG): Likewise.
(GRUB_PCI_REG_ADDRESS_REG): Likewise.
(GRUB_PCI_REG_ADDRESS_REG): Likewise.
(GRUB_PCI_REG_CIS_POINTER): Likewise.
(GRUB_PCI_REG_SUBVENDOR): Likewise.
(GRUB_PCI_REG_SUBSYSTEM): Likewise.
(GRUB_PCI_REG_ROM_ADDRESS): Likewise.
(GRUB_PCI_REG_CAP_POINTER): Likewise.
(GRUB_PCI_REG_IRQ_LINE): Likewise.
(GRUB_PCI_REG_IRQ_PIN): Likewise.
(GRUB_PCI_REG_MIN_GNT): Likewise.
(GRUB_PCI_REG_MAX_LAT): Likewise.
* loader/i386/efi/linux.c (find_framebuf): Use GRUB_PCI_REG_CLASS.
* loader/i386/efi/xnu.c (find_framebuf): Likewise.
* video/efi_uga.c (find_framebuf): Likewise.
* util/pci.c (grub_pci_make_address): Use byte-addressed configuration
space.
2010-01-20 Robert Millan <rmh.grub@aybabtu.com>
* util/grub.d/10_linux.in (linux_entry): Set gfxpayload=keep when it

6
bus/pci.c
View file

@ -24,7 +24,7 @@ grub_pci_address_t
grub_pci_make_address (grub_pci_device_t dev, int reg)
{
return (1 << 31) | (dev.bus << 16) | (dev.device << 11)
| (dev.function << 8) | (reg << 2);
| (dev.function << 8) | reg;
}
void
@ -41,7 +41,7 @@ grub_pci_iterate (grub_pci_iteratefunc_t hook)
{
for (dev.function = 0; dev.function < 8; dev.function++)
{
addr = grub_pci_make_address (dev, 0);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_PCI_ID);
id = grub_pci_read (addr);
/* Check if there is a device present. */
@ -54,7 +54,7 @@ grub_pci_iterate (grub_pci_iteratefunc_t hook)
/* Probe only func = 0 if the device if not multifunction */
if (dev.function == 0)
{
addr = grub_pci_make_address (dev, 3);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CACHELINE);
hdr = grub_pci_read (addr);
if (!(hdr & 0x800000))
break;

4
bus/usb/ohci.c
View file

@ -126,7 +126,7 @@ grub_ohci_pci_iter (grub_pci_device_t dev,
grub_uint32_t revision;
grub_uint32_t frame_interval;
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class_code = grub_pci_read (addr) >> 8;
interf = class_code & 0xFF;
@ -138,7 +138,7 @@ grub_ohci_pci_iter (grub_pci_device_t dev,
return 0;
/* Determine IO base address. */
addr = grub_pci_make_address (dev, 4);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
base = grub_pci_read (addr);
#if 0

4
bus/usb/uhci.c
View file

@ -150,7 +150,7 @@ grub_uhci_pci_iter (grub_pci_device_t dev,
struct grub_uhci *u;
int i;
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class_code = grub_pci_read (addr) >> 8;
interf = class_code & 0xFF;
@ -162,7 +162,7 @@ grub_uhci_pci_iter (grub_pci_device_t dev,
return 0;
/* Determine IO base address. */
addr = grub_pci_make_address (dev, 8);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG4);
base = grub_pci_read (addr);
/* Stop if there is no IO space base address defined. */
if (! (base & 1))

2
commands/efi/fixvideo.c
View file

@ -43,7 +43,7 @@ scan_card (grub_pci_device_t dev, grub_pci_id_t pciid)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
if (grub_pci_read_byte (addr + 3) == 0x3)
{
struct grub_video_patch *p = video_patches;

6
commands/efi/loadbios.c
View file

@ -51,7 +51,8 @@ enable_rom_area (void)
return 0;
}
addr = grub_pci_make_address (dev, 36);
/* FIXME: should be macroified. */
addr = grub_pci_make_address (dev, 144);
grub_pci_write_byte (addr++, 0x30);
grub_pci_write_byte (addr++, 0x33);
grub_pci_write_byte (addr++, 0x33);
@ -77,7 +78,8 @@ lock_rom_area (void)
grub_pci_address_t addr;
grub_pci_device_t dev = { .bus = 0, .device = 0, .function = 0};
addr = grub_pci_make_address (dev, 36);
/* FIXME: should be macroified. */
addr = grub_pci_make_address (dev, 144);
grub_pci_write_byte (addr++, 0x10);
grub_pci_write_byte (addr++, 0x11);
grub_pci_write_byte (addr++, 0x11);

24
commands/lspci.c
View file

@ -135,7 +135,7 @@ grub_lspci_iter (grub_pci_device_t dev, grub_pci_id_t pciid)
grub_printf ("%02x:%02x.%x %04x:%04x", grub_pci_get_bus (dev),
grub_pci_get_device (dev), grub_pci_get_function (dev),
pciid & 0xFFFF, pciid >> 16);
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class = grub_pci_read (addr);
/* Lookup the class name, if there isn't a specific one,
@ -156,22 +156,24 @@ grub_lspci_iter (grub_pci_device_t dev, grub_pci_id_t pciid)
if (iospace)
{
reg = 4;
while (reg < 10)
reg = GRUB_PCI_REG_ADDRESSES;
while (reg < GRUB_PCI_REG_CIS_POINTER)
{
grub_uint64_t space;
addr = grub_pci_make_address (dev, reg);
space = grub_pci_read (addr);
reg++;
reg += sizeof (grub_uint32_t);
if (space == 0)
continue;
switch (space & GRUB_PCI_ADDR_SPACE_MASK)
{
case GRUB_PCI_ADDR_SPACE_IO:
grub_printf ("\tIO space %d at 0x%llx\n", (reg - 1) - 4,
grub_printf ("\tIO space %d at 0x%llx\n",
(unsigned) ((reg - GRUB_PCI_REG_ADDRESSES)
/ sizeof (grub_uint32_t)) - 1,
(unsigned long long)
(space & GRUB_PCI_ADDR_IO_MASK));
break;
@ -181,9 +183,11 @@ grub_lspci_iter (grub_pci_device_t dev, grub_pci_id_t pciid)
{
addr = grub_pci_make_address (dev, reg);
space |= ((grub_uint64_t) grub_pci_read (addr)) << 32;
reg++;
reg += sizeof (grub_uint32_t);
grub_printf ("\t64-bit memory space %d at 0x%016llx [%s]\n",
(reg - 2) - 4, (unsigned long long)
(unsigned) ((reg - GRUB_PCI_REG_ADDRESSES)
/ sizeof (grub_uint32_t)) - 2,
(unsigned long long)
(space & GRUB_PCI_ADDR_MEM_MASK),
space & GRUB_PCI_ADDR_MEM_PREFETCH
? "prefetchable" : "non-prefetchable");
@ -191,7 +195,9 @@ grub_lspci_iter (grub_pci_device_t dev, grub_pci_id_t pciid)
}
else
grub_printf ("\t32-bit memory space %d at 0x%016llx [%s]\n",
(reg - 1) - 4, (unsigned long long)
(unsigned) ((reg - GRUB_PCI_REG_ADDRESSES)
/ sizeof (grub_uint32_t)) - 1,
(unsigned long long)
(space & GRUB_PCI_ADDR_MEM_MASK),
space & GRUB_PCI_ADDR_MEM_PREFETCH
? "prefetchable" : "non-prefetchable");

9
disk/ata.c
View file

@ -404,7 +404,7 @@ grub_ata_pciinit (grub_pci_device_t dev,
int nports = 2;
/* Read class. */
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class = grub_pci_read (addr);
/* AMD CS5536 Southbridge. */
@ -444,9 +444,12 @@ grub_ata_pciinit (grub_pci_device_t dev,
{
/* Read the BARs, which either contain a mmapped IO address
or the IO port address. */
addr = grub_pci_make_address (dev, 4 + 2 * i);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESSES
+ sizeof (grub_uint64_t) * i);
bar1 = grub_pci_read (addr);
addr = grub_pci_make_address (dev, 5 + 2 * i);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESSES
+ sizeof (grub_uint64_t) * i
+ sizeof (grub_uint32_t));
bar2 = grub_pci_read (addr);
/* Check if the BARs describe an IO region. */

31
include/grub/pci.h
View file

@ -35,6 +35,37 @@
#define GRUB_PCI_ADDR_MEM_MASK ~0xf
#define GRUB_PCI_ADDR_IO_MASK ~0x03
#define GRUB_PCI_REG_PCI_ID 0x00
#define GRUB_PCI_REG_VENDOR 0x00
#define GRUB_PCI_REG_DEVICE 0x02
#define GRUB_PCI_REG_COMMAND 0x04
#define GRUB_PCI_REG_STATUS 0x06
#define GRUB_PCI_REG_REVISION 0x08
#define GRUB_PCI_REG_CLASS 0x08
#define GRUB_PCI_REG_CACHELINE 0x0c
#define GRUB_PCI_REG_LAT_TIMER 0x0d
#define GRUB_PCI_REG_HEADER_TYPE 0x0e
#define GRUB_PCI_REG_BIST 0x0f
#define GRUB_PCI_REG_ADDRESSES 0x10
/* Beware that 64-bit address takes 2 registers. */
#define GRUB_PCI_REG_ADDRESS_REG0 0x10
#define GRUB_PCI_REG_ADDRESS_REG1 0x14
#define GRUB_PCI_REG_ADDRESS_REG2 0x18
#define GRUB_PCI_REG_ADDRESS_REG3 0x1c
#define GRUB_PCI_REG_ADDRESS_REG4 0x20
#define GRUB_PCI_REG_ADDRESS_REG5 0x24
#define GRUB_PCI_REG_CIS_POINTER 0x28
#define GRUB_PCI_REG_SUBVENDOR 0x2c
#define GRUB_PCI_REG_SUBSYSTEM 0x2e
#define GRUB_PCI_REG_ROM_ADDRESS 0x30
#define GRUB_PCI_REG_CAP_POINTER 0x34
#define GRUB_PCI_REG_IRQ_LINE 0x3c
#define GRUB_PCI_REG_IRQ_PIN 0x3d
#define GRUB_PCI_REG_MIN_GNT 0x3e
#define GRUB_PCI_REG_MAX_LAT 0x3f
typedef grub_uint32_t grub_pci_id_t;
#ifdef GRUB_UTIL

2
loader/i386/efi/linux.c
View file

@ -478,7 +478,7 @@ find_framebuf (grub_uint32_t *fb_base, grub_uint32_t *line_len)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
if (grub_pci_read (addr) >> 24 == 0x3)
{
int i;

2
loader/i386/efi/xnu.c
View file

@ -79,7 +79,7 @@ find_framebuf (grub_uint32_t *fb_base, grub_uint32_t *line_len)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
if (grub_pci_read (addr) >> 24 == 0x3)
{
int i;

2
util/pci.c
View file

@ -26,7 +26,7 @@ grub_pci_make_address (grub_pci_device_t dev, int reg)
{
grub_pci_address_t ret;
ret.dev = dev;
ret.pos = reg << 2;
ret.pos = reg;
return ret;
}

2
video/efi_uga.c
View file

@ -92,7 +92,7 @@ find_framebuf (grub_uint32_t *fb_base, grub_uint32_t *line_len)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (dev, 2);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
if (grub_pci_read (addr) >> 24 == 0x3)
{
int i;