add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/x86/kernel/mpparse.c
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@@ -11,7 +11,6 @@
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 #include <linux/mm.h>
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 #include <linux/init.h>
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 #include <linux/delay.h>
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-#include <linux/bootmem.h>
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 #include <linux/memblock.h>
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 #include <linux/kernel_stat.h>
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 #include <linux/mc146818rtc.h>
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@@ -20,11 +19,11 @@
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 #include <linux/smp.h>
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 #include <linux/pci.h>
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+#include <asm/io_apic.h>
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+#include <asm/acpi.h>
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 #include <asm/irqdomain.h>
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 #include <asm/mtrr.h>
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 #include <asm/mpspec.h>
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-#include <asm/pgalloc.h>
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-#include <asm/io_apic.h>
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 #include <asm/proto.h>
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 #include <asm/bios_ebda.h>
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 #include <asm/e820/api.h>
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@@ -46,11 +45,6 @@
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 	return sum & 0xFF;
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 }
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-int __init default_mpc_apic_id(struct mpc_cpu *m)
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-{
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-	return m->apicid;
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-}
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-
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 static void __init MP_processor_info(struct mpc_cpu *m)
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 {
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 	int apicid;
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@@ -61,7 +55,7 @@
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 		return;
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 	}
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-	apicid = x86_init.mpparse.mpc_apic_id(m);
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+	apicid = m->apicid;
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 	if (m->cpuflag & CPU_BOOTPROCESSOR) {
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 		bootup_cpu = " (Bootup-CPU)";
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@@ -73,7 +67,7 @@
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 }
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 #ifdef CONFIG_X86_IO_APIC
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-void __init default_mpc_oem_bus_info(struct mpc_bus *m, char *str)
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+static void __init mpc_oem_bus_info(struct mpc_bus *m, char *str)
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 {
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 	memcpy(str, m->bustype, 6);
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 	str[6] = 0;
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@@ -84,7 +78,7 @@
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 {
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 	char str[7];
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-	x86_init.mpparse.mpc_oem_bus_info(m, str);
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+	mpc_oem_bus_info(m, str);
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 #if MAX_MP_BUSSES < 256
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 	if (m->busid >= MAX_MP_BUSSES) {
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@@ -100,9 +94,6 @@
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 		mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
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 #endif
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 	} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
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-		if (x86_init.mpparse.mpc_oem_pci_bus)
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-			x86_init.mpparse.mpc_oem_pci_bus(m);
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-
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 		clear_bit(m->busid, mp_bus_not_pci);
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 #ifdef CONFIG_EISA
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 		mp_bus_id_to_type[m->busid] = MP_BUS_PCI;
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@@ -198,8 +189,6 @@
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 			1, mpc, mpc->length, 1);
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 }
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-void __init default_smp_read_mpc_oem(struct mpc_table *mpc) { }
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-
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 static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
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 {
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 	char str[16];
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@@ -218,14 +207,7 @@
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 	if (early)
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 		return 1;
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-	if (mpc->oemptr)
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-		x86_init.mpparse.smp_read_mpc_oem(mpc);
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-
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-	/*
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-	 *      Now process the configuration blocks.
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-	 */
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-	x86_init.mpparse.mpc_record(0);
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-
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+	/* Now process the configuration blocks. */
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 	while (count < mpc->length) {
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 		switch (*mpt) {
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 		case MP_PROCESSOR:
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@@ -256,7 +238,6 @@
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 			count = mpc->length;
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 			break;
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 		}
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-		x86_init.mpparse.mpc_record(1);
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 	}
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 	if (!num_processors)
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@@ -312,7 +293,7 @@
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 		case 2:
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 			if (i == 0 || i == 13)
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 				continue;	/* IRQ0 & IRQ13 not connected */
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-			/* fall through */
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+			fallthrough;
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 		default:
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 			if (i == 2)
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 				continue;	/* IRQ2 is never connected */
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@@ -356,7 +337,7 @@
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 	default:
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 		pr_err("???\nUnknown standard configuration %d\n",
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 		       mpc_default_type);
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-		/* fall through */
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+		fallthrough;
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 	case 1:
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 	case 5:
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 		memcpy(bus.bustype, "ISA   ", 6);