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TESTED: This works in qemu correctly
TESTED: This works on an AMD board with ACPI v2.0 correctly
Message-ID: <20240207050158.1640853-3-damien@zamaudio.com>
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This enables gnumach to additionally parse the XSDT table
if the revision of ACPI is 2.
TESTED: Still works on qemu (ACPI v1.0)
TESTED: Works on a x86 board with XSDT (ACPI v2.0)
Message-ID: <20240131021218.1335821-1-damien@zamaudio.com>
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Previously, only IOAPIC[0] was supported.
Now this supports up to two IOAPICs.
Message-ID: <20240129100652.1262126-1-damien@zamaudio.com>
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This speeds up smp slightly by reducing the cpu_number()
complexity to have no branching, just a look up table.
It also addresses the problem that CPU_NUMBER was only using
raw apic_id as an approximation of the kernel_id.
Other improvements were to remove unnecessary checks now that
the lookup table always resolves to a valid value.
Message-Id: <20230805074945.1983707-1-damien@zamaudio.com>
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* i386/i386at/acpi_parse_apic.c: use vm_offset_t instead of uint32_t
for vm addresses
* x86_64/Makefrag.am: support --enable-apic
Message-Id: <20230521204918.492957-1-luca@orpolo.org>
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* device/ds_routines.c: use static qualifier.
* device/subrs.c: delete unused functions.
* i386/i386/ast_check.c: include prototypes in kern/ast.h
* i386/i386/db_disasm.c: Include prototypes in ddb/db_examine.h
* i386/i386/db_interface.h: Define prototype for kdb_kentry. Expose
debug methods feep and kd_debug_put.
* i386/i386/db_trace.c: delete left over cthreads support, functions are
not used.
* i386/i386/model_dep.h: Define prototype for c_boot_entry.
* i386/i386at/acpi_parse_apic.c: Static qualifiers.
* i386/i386at/autoconf.c: Include header file for prototypes and remove
dead code.
* i386/i386at/autoconf.h: Fix prototype.
* i386/i386at/com.c: Add static qualifiers, delete dead code.
* i386/i386at/com.c: ditto.
* i386/i386at/com.h: Define prototypes for debug functions.
* i386/i386at/int_init.c: Include header.
* i386/i386at/kd.c: Include header for debug interface. Remove dead
kd_cmdreg_read and make xga_getpos static.
* i386/i386at/kd_mouse.c: Static qualifiers.
* i386/i386at/lpr.c: Dead lprpr.
* i386/i386at/model_dep.c: Remove exit function.
* kern/mach_clock.c: Include mig prototypes.
* kern/mach_clock.h: Remove duplicates of mig prototypes.
* kern/machine.c: Use static.
* kern/startup.c: slave_main is unused.
* kern/thread.h: Define thread_stats that is useful for debugging.
* kern/timer.c: Keep db_thread_times since it can be used for debugging.
* kern/timer.h: ditto.
* linux/dev/glue/misc.c: Use mig header for host_get_time.
Message-Id: <Y8oyiecaflCaYhaW@mercury.tail36e24.ts.net>
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GCC already provides this so we don't need to have our own.
Message-Id: <Y5+02FVA6jf4GPgA@mars>
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Message-Id: <20221025105502.222708-5-damien@zamaudio.com>
Co-authored-by: Almudena Garcia <liberamenso10000@gmail.com>
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* i386/i386/apic.c (acpi_get_irq_override): New function.
(apic_get_ioapic): Make it return IoApicData* rather than IoApicData.
(apic_print_info): Manage IoApicData* rather than IoApicData.
* i386/i386/apic.h (struct ApicReg): Use uint32_t instead of unsigned.
(struct ioapic_route_entry): New structure.
(union ioapic_route_entry_union): New union.
(ApicLocalUnit): Rename base to gsi_base. Add ioapic field.
(APIC_IRQ_OVERRIDE_POLARITY_MASK, APIC_IRQ_OVERRIDE_TRIGGER_MASK): New
macros.
(acpi_get_irq_override, ): New prototype.
(apic_get_ioapic): Update prototype.
(lapic): New declaration.
(IMCR_SELECT, IMCR_DATA, MODE_IMCR, IMCR_USE_PIC, IMCR_USE_APIC,
LAPIC_ENABLE, LAPIC_NMI, LAPIC_DISABLE, LAPIC_TIMER_PERIODIC,
LAPIC_TIMER_DIVIDE_2, LAPIC_TIMER_DIVIDE_4, LAPIC_TIMER_DIVIDE_8,
LAPIC_TIMER_DIVIDE_16, LAPIC_TIMER_BASEDIV, NINTR, IOAPIC_FIXED,
IOAPIC_PHYSICAL, IOAPIC_LOGICAL, IOAPIC_NMI, IOAPIC_EXTINT,
IOAPIC_ACTIVE_HIGH, IOAPIC_ACTIVE_LOW, IOAPIC_EDGE_TRIGGERED,
IOAPIC_LEVEL_TRIGGERED, IOAPIC_MASK_ENABLED, IOAPIC_MASK_DISABLED): New
macros.
* i386/i386at/acpi_parse_apic.h (struct acpi_apic_ioapic): Rename base
field to gsi_base.
* i386/i386at/acpi_parse_apic.c (acpi_apic_add_ioapic): Update to
gsi_base new name. Set ioapic field.
(acpi_apic_setup): Rename lapic to lapic_unit.
Message-Id: <20210328060320.36194-5-damien@zamaudio.com>
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* i386/i386at/acpi_parse_apic.c (acpi_get_apic): Map rsdt entries read-only.
Message-Id: <20210328060320.36194-4-damien@zamaudio.com>
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* i386/i386at/acpi_parse_apic.c (acpi_check_rsdp_align): Make it take a
void* instead of uint32_t.
(acpi_get_rsdp): Apply phystokv on the EBDA base and 0xE0000.
(acpi_apic_setup): Drop spurious negation.
Message-Id: <20210328060320.36194-3-damien@zamaudio.com>
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To find the processors, It's necessary to find the APIC (MADT) table
This table is found inside ACPI tables.
This set of functions find the MADT table, and parse it to find the APIC structures
and register it in the kernel.
*acpi_parse_apic.h: ACPI structures and function prototypes.
*acpi_parse_apic.c: ACPI/APIC function definitions.
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