diff options
| author | Anthony Liguori <aliguori@us.ibm.com> | 2009-07-11 08:20:57 -0500 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-07-16 08:28:14 -0500 |
| commit | b8c0e7d7c4e9fe3ec00757053a33605eda1c5ac4 (patch) | |
| tree | 39c095fa1149c38f5d5be0c22a00a6495afdfe74 /pc-bios/bios-pq | |
| parent | d8d2e079fada8ae97ecc655e6870621ee8099d47 (diff) | |
Fix non-ACPI Timer Interrupt Routing - v3
v1 -> v2 adds comment suggested by Ryan.
v2 -> v3 clarifies comment and corrects entry count
Signed-off-by: Beth Kon <eak@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'pc-bios/bios-pq')
| -rw-r--r-- | pc-bios/bios-pq/0013_fix-non-acpi-timer-interrupt-routing.patch | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/pc-bios/bios-pq/0013_fix-non-acpi-timer-interrupt-routing.patch b/pc-bios/bios-pq/0013_fix-non-acpi-timer-interrupt-routing.patch index c9d74e838d..80e7716c6b 100644 --- a/pc-bios/bios-pq/0013_fix-non-acpi-timer-interrupt-routing.patch +++ b/pc-bios/bios-pq/0013_fix-non-acpi-timer-interrupt-routing.patch @@ -1,30 +1,49 @@ -Fix non-ACPI Timer Interrupt Routing (Beth Kon) +From c09142004a409bf27070939f470c5e0b37595a5a Mon Sep 17 00:00:00 2001 +From: Beth Kon <eak@us.ibm.com> +Date: Fri, 19 Jun 2009 14:22:00 -0400 +Subject: [PATCH] Fix non-ACPI Timer Interrupt Routing - v3 Replicate ACPI irq0->inti2 override in mp table for non-acpi case. v1 -> v2 adds comment suggested by Ryan. +v2 -> v3 clarifies comment and corrects entry count Signed-off-by: Beth Kon <eak@us.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> +--- + bios/rombios32.c | 14 ++++++++++++++ + 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/bios/rombios32.c b/bios/rombios32.c -index 7be4216..dc7b5f3 100644 +index 1a1ed64..d789e20 100644 --- a/bios/rombios32.c +++ b/bios/rombios32.c -@@ -1168,6 +1168,12 @@ static void mptable_init(void) +@@ -1124,7 +1124,11 @@ static void mptable_init(void) + putstr(&q, "0.1 "); /* vendor id */ + putle32(&q, 0); /* OEM table ptr */ + putle16(&q, 0); /* OEM table size */ ++#ifdef BX_QEMU ++ putle16(&q, smp_cpus + 17); /* entry count */ ++#else + putle16(&q, smp_cpus + 18); /* entry count */ ++#endif + putle32(&q, 0xfee00000); /* local APIC addr */ + putle16(&q, 0); /* ext table length */ + putb(&q, 0); /* ext table checksum */ +@@ -1166,6 +1170,12 @@ static void mptable_init(void) /* irqs */ for(i = 0; i < 16; i++) { +#ifdef BX_QEMU -+ /* One entry per ioapic input. Input 2 is covered by -+ irq0->inti2 override (i == 0). irq 2 is unused */ ++ /* One entry per ioapic interrupt destination. Destination 2 is covered ++ by irq0->inti2 override (i == 0). Source IRQ 2 is unused */ + if (i == 2) + continue; -+#endif ++#endif putb(&q, 3); /* entry type = I/O interrupt */ putb(&q, 0); /* interrupt type = vectored interrupt */ putb(&q, 0); /* flags: po=0, el=0 */ -@@ -1175,7 +1181,11 @@ static void mptable_init(void) +@@ -1173,7 +1183,11 @@ static void mptable_init(void) putb(&q, 0); /* source bus ID = ISA */ putb(&q, i); /* source bus IRQ */ putb(&q, ioapic_id); /* dest I/O APIC ID */ @@ -32,7 +51,10 @@ index 7be4216..dc7b5f3 100644 + putb(&q, i == 0 ? 2 : i); /* dest I/O APIC interrupt in */ +#else putb(&q, i); /* dest I/O APIC interrupt in */ -+#endif ++#endif } /* patch length */ len = q - mp_config_table; +-- +1.6.2.5 + |