1 files changed, 0 insertions, 150 deletions
diff --git a/qemu/roms/seabios/src/fw/smp.c b/qemu/roms/seabios/src/fw/smp.c
deleted file mode 100644
index 579acdbd0..000000000
--- a/qemu/roms/seabios/src/fw/smp.c
+++ /dev/null
@@ -1,150 +0,0 @@
-// QEMU multi-CPU initialization code
-//
-// Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
-// Copyright (C) 2006 Fabrice Bellard
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "config.h" // CONFIG_*
-#include "hw/rtc.h" // CMOS_BIOS_SMP_COUNT
-#include "output.h" // dprintf
-#include "romfile.h" // romfile_loadint
-#include "stacks.h" // yield
-#include "util.h" // smp_setup
-#include "x86.h" // wrmsr
-
-#define APIC_ICR_LOW ((u8*)BUILD_APIC_ADDR + 0x300)
-#define APIC_SVR     ((u8*)BUILD_APIC_ADDR + 0x0F0)
-#define APIC_LINT0   ((u8*)BUILD_APIC_ADDR + 0x350)
-#define APIC_LINT1   ((u8*)BUILD_APIC_ADDR + 0x360)
-
-#define APIC_ENABLED 0x0100
-
-static struct { u32 index; u64 val; } smp_mtrr[32];
-static u32 smp_mtrr_count;
-
-void
-wrmsr_smp(u32 index, u64 val)
-{
-    wrmsr(index, val);
-    if (smp_mtrr_count >= ARRAY_SIZE(smp_mtrr)) {
-        warn_noalloc();
-        return;
-    }
-    smp_mtrr[smp_mtrr_count].index = index;
-    smp_mtrr[smp_mtrr_count].val = val;
-    smp_mtrr_count++;
-}
-
-u32 MaxCountCPUs;
-static u32 CountCPUs;
-// 256 bits for the found APIC IDs
-static u32 FoundAPICIDs[256/32];
-
-int apic_id_is_present(u8 apic_id)
-{
-    return !!(FoundAPICIDs[apic_id/32] & (1ul << (apic_id % 32)));
-}
-
-void VISIBLE32FLAT
-handle_smp(void)
-{
-    if (!CONFIG_QEMU)
-        return;
-
-    // Detect apic_id
-    u32 eax, ebx, ecx, cpuid_features;
-    cpuid(1, &eax, &ebx, &ecx, &cpuid_features);
-    u8 apic_id = ebx>>24;
-    dprintf(DEBUG_HDL_smp, "handle_smp: apic_id=%d\n", apic_id);
-
-    // MTRR setup
-    int i;
-    for (i=0; i<smp_mtrr_count; i++)
-        wrmsr(smp_mtrr[i].index, smp_mtrr[i].val);
-
-    // Set bit on FoundAPICIDs
-    FoundAPICIDs[apic_id/32] |= (1 << (apic_id % 32));
-
-    CountCPUs++;
-}
-
-// Atomic lock for shared stack across processors.
-u32 SMPLock __VISIBLE;
-u32 SMPStack __VISIBLE;
-
-// find and initialize the CPUs by launching a SIPI to them
-void
-smp_setup(void)
-{
-    if (!CONFIG_QEMU)
-        return;
-
-    ASSERT32FLAT();
-    u32 eax, ebx, ecx, cpuid_features;
-    cpuid(1, &eax, &ebx, &ecx, &cpuid_features);
-    if (eax < 1 || !(cpuid_features & CPUID_APIC)) {
-        // No apic - only the main cpu is present.
-        dprintf(1, "No apic - only the main cpu is present.\n");
-        CountCPUs= 1;
-        MaxCountCPUs = 1;
-        return;
-    }
-
-    // mark the BSP initial APIC ID as found, too:
-    u8 apic_id = ebx>>24;
-    FoundAPICIDs[apic_id/32] |= (1 << (apic_id % 32));
-    CountCPUs = 1;
-
-    // Setup jump trampoline to counter code.
-    u64 old = *(u64*)BUILD_AP_BOOT_ADDR;
-    // ljmpw $SEG_BIOS, $(entry_smp - BUILD_BIOS_ADDR)
-    extern void entry_smp(void);
-    u64 new = (0xea | ((u64)SEG_BIOS<<24)
-               | (((u32)entry_smp - BUILD_BIOS_ADDR) << 8));
-    *(u64*)BUILD_AP_BOOT_ADDR = new;
-
-    // enable local APIC
-    u32 val = readl(APIC_SVR);
-    writel(APIC_SVR, val | APIC_ENABLED);
-
-    /* Set LINT0 as Ext_INT, level triggered */
-    writel(APIC_LINT0, 0x8700);
-
-    /* Set LINT1 as NMI, level triggered */
-    writel(APIC_LINT1, 0x8400);
-
-    // Init the lock.
-    writel(&SMPLock, 1);
-
-    // broadcast SIPI
-    barrier();
-    writel(APIC_ICR_LOW, 0x000C4500);
-    u32 sipi_vector = BUILD_AP_BOOT_ADDR >> 12;
-    writel(APIC_ICR_LOW, 0x000C4600 | sipi_vector);
-
-    // Wait for other CPUs to process the SIPI.
-    u8 cmos_smp_count = rtc_read(CMOS_BIOS_SMP_COUNT) + 1;
-    while (cmos_smp_count != CountCPUs)
-        asm volatile(
-            // Release lock and allow other processors to use the stack.
-            "  movl %%esp, %1\n"
-            "  movl $0, %0\n"
-            // Reacquire lock and take back ownership of stack.
-            "1:rep ; nop\n"
-            "  lock btsl $0, %0\n"
-            "  jc 1b\n"
-            : "+m" (SMPLock), "+m" (SMPStack)
-            : : "cc", "memory");
-    yield();
-
-    // Restore memory.
-    *(u64*)BUILD_AP_BOOT_ADDR = old;
-
-    MaxCountCPUs = romfile_loadint("etc/max-cpus", 0);
-    if (!MaxCountCPUs || MaxCountCPUs < CountCPUs)
-        MaxCountCPUs = CountCPUs;
-
-    dprintf(1, "Found %d cpu(s) max supported %d cpu(s)\n", CountCPUs,
-            MaxCountCPUs);
-}