Author: andrew
Date: Wed Oct 31 09:25:17 2018
New Revision: 339943
URL: https://svnweb.freebsd.org/changeset/base/339943
Log:
Remove the unused arm64_cpu driver.
This was previously used for CPU initilisation, however this hasn't been
the case in a long time.
Sponsored by: DARPA, AFRL
Modified:
head/sys/arm64/arm64/mp_machdep.c
Modified: head/sys/arm64/arm64/mp_machdep.c
==============================================================================
--- head/sys/arm64/arm64/mp_machdep.c Wed Oct 31 06:24:07 2018
(r339942)
+++ head/sys/arm64/arm64/mp_machdep.c Wed Oct 31 09:25:17 2018
(r339943)
@@ -126,8 +126,6 @@ static void ipi_stop(void *);
struct mtx ap_boot_mtx;
struct pcb stoppcbs[MAXCPU];
-static device_t cpu_list[MAXCPU];
-
/*
* Not all systems boot from the first CPU in the device tree. To work around
* this we need to find which CPU we have booted from so when we later
@@ -145,78 +143,6 @@ volatile int aps_ready = 0;
/* Temporary variables for init_secondary() */
void *dpcpu[MAXCPU - 1];
-
-static device_method_t arm64_cpu_methods[] = {
- /* Device interface */
- DEVMETHOD(device_identify, arm64_cpu_identify),
- DEVMETHOD(device_probe, arm64_cpu_probe),
- DEVMETHOD(device_attach, arm64_cpu_attach),
-
- DEVMETHOD_END
-};
-
-static devclass_t arm64_cpu_devclass;
-static driver_t arm64_cpu_driver = {
- "arm64_cpu",
- arm64_cpu_methods,
- 0
-};
-
-DRIVER_MODULE(arm64_cpu, cpu, arm64_cpu_driver, arm64_cpu_devclass, 0, 0);
-
-static void
-arm64_cpu_identify(driver_t *driver, device_t parent)
-{
-
- if (device_find_child(parent, "arm64_cpu", -1) != NULL)
- return;
- if (BUS_ADD_CHILD(parent, 0, "arm64_cpu", -1) == NULL)
- device_printf(parent, "add child failed\n");
-}
-
-static int
-arm64_cpu_probe(device_t dev)
-{
- u_int cpuid;
-
- cpuid = device_get_unit(dev);
- if (cpuid >= MAXCPU || cpuid > mp_maxid)
- return (EINVAL);
-
- device_quiet(dev);
- return (0);
-}
-
-static int
-arm64_cpu_attach(device_t dev)
-{
- const uint32_t *reg;
- size_t reg_size;
- u_int cpuid;
- int i;
-
- cpuid = device_get_unit(dev);
-
- if (cpuid >= MAXCPU || cpuid > mp_maxid)
- return (EINVAL);
- KASSERT(cpu_list[cpuid] == NULL, ("Already have cpu %u", cpuid));
-
- reg = cpu_get_cpuid(dev, ®_size);
- if (reg == NULL)
- return (EINVAL);
-
- if (bootverbose) {
- device_printf(dev, "register <");
- for (i = 0; i < reg_size; i++)
- printf("%s%x", (i == 0) ? "" : " ", reg[i]);
- printf(">\n");
- }
-
- /* Set the device to start it later */
- cpu_list[cpuid] = dev;
-
- return (0);
-}
static void
release_aps(void *dummy __unused)
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