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| author | Damien Zammit <damien@zamaudio.com> | 2024-10-21 03:22:22 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2024-10-22 01:55:18 +0200 |
| commit | c5660b2f4659887a3a8be7a91c9d6a30d47ed12b (patch) | |
| tree | a2b74130368a82613793faaf3374dc271cb27ca2 /i386 | |
| parent | 93798030db00d191a159608b4ae43772d31f17f3 (diff) | |
| download | gnumach-c5660b2f4659887a3a8be7a91c9d6a30d47ed12b.tar.gz gnumach-c5660b2f4659887a3a8be7a91c9d6a30d47ed12b.tar.bz2 gnumach-c5660b2f4659887a3a8be7a91c9d6a30d47ed12b.zip | |
ioapic: Initially mask all IRQs individually
This fixes a spurious intnull(9) from occurring on real hardware
during ACPI startup when compiled with --enable-apic
Message-ID: <20241021032217.2915842-1-damien@zamaudio.com>
Diffstat (limited to 'i386')
| -rw-r--r-- | i386/i386at/ioapic.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/i386/i386at/ioapic.c b/i386/i386at/ioapic.c index 2553a2c9..845d1249 100644 --- a/i386/i386at/ioapic.c +++ b/i386/i386at/ioapic.c @@ -402,6 +402,9 @@ ioapic_configure(void) entry.both.vector = IOAPIC_INT_BASE + gsi; ioapic_write_entry(apic, pin, entry.both); + /* Set initial state to masked */ + mask_irq(pin); + /* Timer workaround for x86 */ if (pin == 0) { /* Save timer info */ @@ -431,6 +434,9 @@ ioapic_configure(void) } entry.both.vector = IOAPIC_INT_BASE + gsi; ioapic_write_entry(apic, pin, entry.both); + + /* Set initial state to masked */ + mask_irq(pin); } printf("IOAPIC 0 configured with GSI 0-%d\n", ngsis - 1); @@ -452,6 +458,9 @@ ioapic_configure(void) } entry.both.vector = IOAPIC_INT_BASE + gsi; ioapic_write_entry(apic, pin, entry.both); + + /* Set initial state to masked */ + mask_irq(pin + ngsis); } printf("IOAPIC 1 configured with GSI %d-%d\n", ngsis, ngsis + ngsis2 - 1); |