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hvm: Re-introduce LPT1 device in ACPI tables.

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Once the presence of LPT1 is baked into a Windows guest, it gets upset
if it is subsequently removed. Hence we add the 'LTP1' device object
back into the ACPI DSDT, and remove IRQ 7 from the list of IRQs usable
by the PCI-ISA links.

Signed-off-by: Keir Fraser <keir@xensource.com>
This commit is contained in:
kfraser@localhost.localdomain committed 2007-07-11 13:49:11 +01:00
1 parent 4871e12b20
commit ffc3f3c3db
6 files changed
+64 -47
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tools/firmware/hvmloader/acpi/dsdt.asl
+19 -2
View File
@@ -123,11 +123,12 @@ DefinitionBlock ("DSDT.aml", "DSDT", 2, "Xen", "HVM", 0)
}
Name(BUFA, ResourceTemplate() {
IRQ(Level, ActiveLow, Shared) { 5, 7, 10, 11 }
IRQ(Level, ActiveLow, Shared) { 5, 10, 11 }
})
Name(BUFB, Buffer() {
0x23, 0x00, 0x00, 0x18, 0x79, 0
0x23, 0x00, 0x00, 0x18, /* IRQ descriptor */
0x79, 0 /* End tag, null checksum */
})
CreateWordField(BUFB, 0x01, IRQV)
@@ -643,6 +644,22 @@ DefinitionBlock ("DSDT.aml", "DSDT", 2, "Xen", "HVM", 0)
IRQNoFlags () {4}
})
}
Device (LTP1)
{
Name (_HID, EisaId ("PNP0400"))
Name (_UID, 0x02)
Method (_STA, 0, NotSerialized)
{
Return (0x0F)
}
Name (_CRS, ResourceTemplate()
{
IO (Decode16, 0x0378, 0x0378, 0x08, 0x08)
IRQNoFlags () {7}
})
}
}
}
}
tools/firmware/hvmloader/acpi/dsdt.c
+16 -9
View File
@@ -1,19 +1,19 @@
/*
*
* Intel ACPI Component Architecture
* ASL Optimizing Compiler version 20060707 [Dec 30 2006]
* ASL Optimizing Compiler version 20060707 [Feb 16 2007]
* Copyright (C) 2000 - 2006 Intel Corporation
* Supports ACPI Specification Revision 3.0a
*
* Compilation of "dsdt.asl" - Sat May 12 16:13:55 2007
* Compilation of "dsdt.asl" - Wed Jul 11 13:34:30 2007
*
* C source code output
*
*/
unsigned char AmlCode[] =
{
0x44,0x53,0x44,0x54,0x67,0x0D,0x00,0x00, /* 00000000 "DSDTg..." */
0x02,0xE0,0x58,0x65,0x6E,0x00,0x00,0x00, /* 00000008 "..Xen..." */
0x44,0x53,0x44,0x54,0x9F,0x0D,0x00,0x00, /* 00000000 "DSDT...." */
0x02,0x2E,0x58,0x65,0x6E,0x00,0x00,0x00, /* 00000008 "..Xen..." */
0x48,0x56,0x4D,0x00,0x00,0x00,0x00,0x00, /* 00000010 "HVM....." */
0x00,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
0x07,0x07,0x06,0x20,0x08,0x50,0x4D,0x42, /* 00000020 "... .PMB" */
@@ -27,7 +27,7 @@ unsigned char AmlCode[] =
0x04,0x0A,0x07,0x0A,0x07,0x00,0x00,0x08, /* 00000060 "........" */
0x50,0x49,0x43,0x44,0x00,0x14,0x0C,0x5F, /* 00000068 "PICD..._" */
0x50,0x49,0x43,0x01,0x70,0x68,0x50,0x49, /* 00000070 "PIC.phPI" */
0x43,0x44,0x10,0x4C,0xCE,0x5F,0x53,0x42, /* 00000078 "CD.L._SB" */
0x43,0x44,0x10,0x44,0xD2,0x5F,0x53,0x42, /* 00000078 "CD.D._SB" */
0x5F,0x5B,0x82,0x49,0x04,0x4D,0x45,0x4D, /* 00000080 "_[.I.MEM" */
0x30,0x08,0x5F,0x48,0x49,0x44,0x0C,0x41, /* 00000088 "0._HID.A" */
0xD0,0x0C,0x02,0x08,0x5F,0x43,0x52,0x53, /* 00000090 "...._CRS" */
@@ -37,7 +37,7 @@ unsigned char AmlCode[] =
0x00,0x00,0xFF,0xFF,0x09,0x00,0x00,0x00, /* 000000B0 "........" */
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* 000000B8 "........" */
0x00,0x00,0x00,0x00,0x0A,0x00,0x00,0x00, /* 000000C0 "........" */
0x00,0x00,0x79,0x00,0x5B,0x82,0x49,0xC9, /* 000000C8 "..y.[.I." */
0x00,0x00,0x79,0x00,0x5B,0x82,0x41,0xCD, /* 000000C8 "..y.[.A." */
0x50,0x43,0x49,0x30,0x08,0x5F,0x48,0x49, /* 000000D0 "PCI0._HI" */
0x44,0x0C,0x41,0xD0,0x0A,0x03,0x08,0x5F, /* 000000D8 "D.A...._" */
0x55,0x49,0x44,0x00,0x08,0x5F,0x41,0x44, /* 000000E0 "UID.._AD" */
@@ -59,7 +59,7 @@ unsigned char AmlCode[] =
0x00,0xF0,0xFF,0xFF,0xFF,0xF4,0x00,0x00, /* 00000160 "........" */
0x00,0x00,0x00,0x00,0x00,0x05,0x79,0x00, /* 00000168 "......y." */
0xA4,0x50,0x52,0x54,0x30,0x08,0x42,0x55, /* 00000170 ".PRT0.BU" */
0x46,0x41,0x11,0x09,0x0A,0x06,0x23,0xA0, /* 00000178 "FA....#." */
0x46,0x41,0x11,0x09,0x0A,0x06,0x23,0x20, /* 00000178 "FA....# " */
0x0C,0x18,0x79,0x00,0x08,0x42,0x55,0x46, /* 00000180 "..y..BUF" */
0x42,0x11,0x09,0x0A,0x06,0x23,0x00,0x00, /* 00000188 "B....#.." */
0x18,0x79,0x00,0x8B,0x42,0x55,0x46,0x42, /* 00000190 ".y..BUFB" */
@@ -348,7 +348,7 @@ unsigned char AmlCode[] =
0x0C,0x04,0x0C,0xFF,0xFF,0x0F,0x00,0x0A, /* 00000A68 "........" */
0x02,0x00,0x0A,0x2F,0x12,0x0C,0x04,0x0C, /* 00000A70 ".../...." */
0xFF,0xFF,0x0F,0x00,0x0A,0x03,0x00,0x0A, /* 00000A78 "........" */
0x10,0x5B,0x82,0x44,0x2E,0x49,0x53,0x41, /* 00000A80 ".[.D.ISA" */
0x10,0x5B,0x82,0x4C,0x31,0x49,0x53,0x41, /* 00000A80 ".[.L1ISA" */
0x5F,0x08,0x5F,0x41,0x44,0x52,0x0C,0x00, /* 00000A88 "_._ADR.." */
0x00,0x01,0x00,0x5B,0x80,0x50,0x49,0x52, /* 00000A90 "...[.PIR" */
0x51,0x02,0x0A,0x60,0x0A,0x04,0x10,0x2E, /* 00000A98 "Q..`...." */
@@ -440,6 +440,13 @@ unsigned char AmlCode[] =
0x09,0x5F,0x53,0x54,0x41,0x00,0xA4,0x0A, /* 00000D48 "._STA..." */
0x0F,0x08,0x5F,0x43,0x52,0x53,0x11,0x10, /* 00000D50 ".._CRS.." */
0x0A,0x0D,0x47,0x01,0xF8,0x03,0xF8,0x03, /* 00000D58 "..G....." */
0x01,0x08,0x22,0x10,0x00,0x79,0x00,
0x01,0x08,0x22,0x10,0x00,0x79,0x00,0x5B, /* 00000D60 ".."..y.[" */
0x82,0x36,0x4C,0x54,0x50,0x31,0x08,0x5F, /* 00000D68 ".6LTP1._" */
0x48,0x49,0x44,0x0C,0x41,0xD0,0x04,0x00, /* 00000D70 "HID.A..." */
0x08,0x5F,0x55,0x49,0x44,0x0A,0x02,0x14, /* 00000D78 "._UID..." */
0x09,0x5F,0x53,0x54,0x41,0x00,0xA4,0x0A, /* 00000D80 "._STA..." */
0x0F,0x08,0x5F,0x43,0x52,0x53,0x11,0x10, /* 00000D88 ".._CRS.." */
0x0A,0x0D,0x47,0x01,0x78,0x03,0x78,0x03, /* 00000D90 "..G.x.x." */
0x08,0x08,0x22,0x80,0x00,0x79,0x00,
};
int DsdtLen=sizeof(AmlCode);
tools/firmware/hvmloader/config.h
+1 -1
View File
@@ -9,7 +9,7 @@
#define LAPIC_ID(vcpu_id) ((vcpu_id) * 2)
#define PCI_ISA_DEVFN 0x08 /* dev 1, fn 0 */
#define PCI_ISA_IRQ_MASK 0x0ca0U /* ISA IRQs 5,7,10,11 are PCI connected */
#define PCI_ISA_IRQ_MASK 0x0c20U /* ISA IRQs 5,10,11 are PCI connected */
#define ROMBIOS_SEG 0xF000
#define ROMBIOS_BEGIN 0x000F0000
tools/firmware/hvmloader/hvmloader.c
+4 -6
View File
@@ -180,15 +180,13 @@ static void pci_setup(void)
unsigned int bar, pin, link, isa_irq;
/* Program PCI-ISA bridge with appropriate link routes. */
link = 0;
for ( isa_irq = 0; isa_irq < 15; isa_irq++ )
isa_irq = 0;
for ( link = 0; link < 4; link++ )
{
if ( !(PCI_ISA_IRQ_MASK & (1U << isa_irq)) )
continue;
do { isa_irq = (isa_irq + 1) & 15;
} while ( !(PCI_ISA_IRQ_MASK & (1U << isa_irq)) );
pci_writeb(PCI_ISA_DEVFN, 0x60 + link, isa_irq);
printf("PCI-ISA link %u routed to IRQ%u\n", link, isa_irq);
if ( link++ == 4 )
break;
}
/* Program ELCR to match PCI-wired IRQs. */
tools/firmware/rombios/rombios.c
+24 -24
View File
@@ -9146,78 +9146,78 @@ pci_routing_table_structure:
db 0 ;; pci bus number
db 0x08 ;; pci device number (bit 7-3)
db 0x61 ;; link value INTA#: pointer into PCI2ISA config space
dw 0x0ca0 ;; IRQ bitmap INTA#
dw 0x0c20 ;; IRQ bitmap INTA#
db 0x62 ;; link value INTB#
dw 0x0ca0 ;; IRQ bitmap INTB#
dw 0x0c20 ;; IRQ bitmap INTB#
db 0x63 ;; link value INTC#
dw 0x0ca0 ;; IRQ bitmap INTC#
dw 0x0c20 ;; IRQ bitmap INTC#
db 0x60 ;; link value INTD#
dw 0x0ca0 ;; IRQ bitmap INTD#
dw 0x0c20 ;; IRQ bitmap INTD#
db 0 ;; physical slot (0 = embedded)
db 0 ;; reserved
;; second slot entry: 1st PCI slot
db 0 ;; pci bus number
db 0x10 ;; pci device number (bit 7-3)
db 0x62 ;; link value INTA#
dw 0x0ca0 ;; IRQ bitmap INTA#
dw 0x0c20 ;; IRQ bitmap INTA#
db 0x63 ;; link value INTB#
dw 0x0ca0 ;; IRQ bitmap INTB#
dw 0x0c20 ;; IRQ bitmap INTB#
db 0x60 ;; link value INTC#
dw 0x0ca0 ;; IRQ bitmap INTC#
dw 0x0c20 ;; IRQ bitmap INTC#
db 0x61 ;; link value INTD#
dw 0x0ca0 ;; IRQ bitmap INTD#
dw 0x0c20 ;; IRQ bitmap INTD#
db 1 ;; physical slot (0 = embedded)
db 0 ;; reserved
;; third slot entry: 2nd PCI slot
db 0 ;; pci bus number
db 0x18 ;; pci device number (bit 7-3)
db 0x63 ;; link value INTA#
dw 0x0ca0 ;; IRQ bitmap INTA#
dw 0x0c20 ;; IRQ bitmap INTA#
db 0x60 ;; link value INTB#
dw 0x0ca0 ;; IRQ bitmap INTB#
dw 0x0c20 ;; IRQ bitmap INTB#
db 0x61 ;; link value INTC#
dw 0x0ca0 ;; IRQ bitmap INTC#
dw 0x0c20 ;; IRQ bitmap INTC#
db 0x62 ;; link value INTD#
dw 0x0ca0 ;; IRQ bitmap INTD#
dw 0x0c20 ;; IRQ bitmap INTD#
db 2 ;; physical slot (0 = embedded)
db 0 ;; reserved
;; 4th slot entry: 3rd PCI slot
db 0 ;; pci bus number
db 0x20 ;; pci device number (bit 7-3)
db 0x60 ;; link value INTA#
dw 0x0ca0 ;; IRQ bitmap INTA#
dw 0x0c20 ;; IRQ bitmap INTA#
db 0x61 ;; link value INTB#
dw 0x0ca0 ;; IRQ bitmap INTB#
dw 0x0c20 ;; IRQ bitmap INTB#
db 0x62 ;; link value INTC#
dw 0x0ca0 ;; IRQ bitmap INTC#
dw 0x0c20 ;; IRQ bitmap INTC#
db 0x63 ;; link value INTD#
dw 0x0ca0 ;; IRQ bitmap INTD#
dw 0x0c20 ;; IRQ bitmap INTD#
db 3 ;; physical slot (0 = embedded)
db 0 ;; reserved
;; 5th slot entry: 4rd PCI slot
db 0 ;; pci bus number
db 0x28 ;; pci device number (bit 7-3)
db 0x61 ;; link value INTA#
dw 0x0ca0 ;; IRQ bitmap INTA#
dw 0x0c20 ;; IRQ bitmap INTA#
db 0x62 ;; link value INTB#
dw 0x0ca0 ;; IRQ bitmap INTB#
dw 0x0c20 ;; IRQ bitmap INTB#
db 0x63 ;; link value INTC#
dw 0x0ca0 ;; IRQ bitmap INTC#
dw 0x0c20 ;; IRQ bitmap INTC#
db 0x60 ;; link value INTD#
dw 0x0ca0 ;; IRQ bitmap INTD#
dw 0x0c20 ;; IRQ bitmap INTD#
db 4 ;; physical slot (0 = embedded)
db 0 ;; reserved
;; 6th slot entry: 5rd PCI slot
db 0 ;; pci bus number
db 0x30 ;; pci device number (bit 7-3)
db 0x62 ;; link value INTA#
dw 0x0ca0 ;; IRQ bitmap INTA#
dw 0x0c20 ;; IRQ bitmap INTA#
db 0x63 ;; link value INTB#
dw 0x0ca0 ;; IRQ bitmap INTB#
dw 0x0c20 ;; IRQ bitmap INTB#
db 0x60 ;; link value INTC#
dw 0x0ca0 ;; IRQ bitmap INTC#
dw 0x0c20 ;; IRQ bitmap INTC#
db 0x61 ;; link value INTD#
dw 0x0ca0 ;; IRQ bitmap INTD#
dw 0x0c20 ;; IRQ bitmap INTD#
db 5 ;; physical slot (0 = embedded)
db 0 ;; reserved
#endif // BX_PCIBIOS
tools/ioemu/vl.c
-5
View File
@@ -7141,13 +7141,8 @@ int main(int argc, char **argv)
serial_devices[i][0] = '\0';
serial_device_index = 0;
#ifndef CONFIG_DM
pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "vc");
for(i = 1; i < MAX_PARALLEL_PORTS; i++)
#else
/* Xen steals IRQ7 for PCI. Disable LPT1 by default. */
for(i = 0; i < MAX_PARALLEL_PORTS; i++)
#endif
parallel_devices[i][0] = '\0';
parallel_device_index = 0;
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