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[Qemu-devel] [PATCH 11/15] manipulate the gpe bits and send sci up the o
From: |
Glauber Costa |
Subject: |
[Qemu-devel] [PATCH 11/15] manipulate the gpe bits and send sci up the os. |
Date: |
Tue, 26 Feb 2008 16:56:41 -0300 |
Signed-off-by: Glauber Costa <address@hidden>
---
qemu/hw/acpi.c | 42 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 42 insertions(+), 0 deletions(-)
diff --git a/qemu/hw/acpi.c b/qemu/hw/acpi.c
index 7340f15..5a6d1a8 100644
--- a/qemu/hw/acpi.c
+++ b/qemu/hw/acpi.c
@@ -534,10 +534,13 @@ void qemu_system_powerdown(void)
}
#endif
#define GPE_BASE 0xafe0
+#define PROC_BASE 0xaf00
struct gpe_regs {
uint16_t sts; /* status */
uint16_t en; /* enabled */
+ uint8_t up;
+ uint8_t down;
};
static struct gpe_regs gpe;
@@ -547,6 +550,13 @@ static uint32_t gpe_readb(void *opaque,
uint32_t val = 0;
struct gpe_regs *g = opaque;
switch (addr) {
+ case PROC_BASE:
+ val = g->up;
+ break;
+ case PROC_BASE + 1:
+ val = g->down;
+ break;
+
case GPE_BASE:
val = g->sts & 0xFF;
break;
@@ -573,6 +583,13 @@ static void gpe_writeb(void *opaque, uin
{
struct gpe_regs *g = opaque;
switch (addr) {
+ case PROC_BASE:
+ g->up = val;
+ break;
+ case PROC_BASE + 1:
+ g->down = val;
+ break;
+
case GPE_BASE:
g->sts = (g->sts & ~0xFFFF) | (val & 0xFFFF);
break;
@@ -601,9 +618,34 @@ void qemu_system_hot_add_init(char *cpu_
register_ioport_write(GPE_BASE, 4, 1, gpe_writeb, &gpe);
register_ioport_read(GPE_BASE, 4, 1, gpe_readb, &gpe);
+ register_ioport_write(PROC_BASE, 4, 1, gpe_writeb, &gpe);
+ register_ioport_read(PROC_BASE, 4, 1, gpe_readb, &gpe);
+
model = cpu_model;
}
+static void enable_processor(struct gpe_regs *g, int cpu)
+{
+ g->sts |= 1;
+ g->en |= 1;
+ g->up |= (1 << cpu);
+}
+
+static void disable_processor(struct gpe_regs *g, int cpu)
+{
+ g->sts |= 1;
+ g->en |= 1;
+ g->down |= (1 << cpu);
+}
+
void qemu_system_cpu_hot_add(int cpu, int state)
{
+ qemu_set_irq(pm_state->irq, 1);
+ gpe.up = 0;
+ gpe.down = 0;
+ if (state)
+ enable_processor(&gpe, cpu);
+ else
+ disable_processor(&gpe, cpu);
+ qemu_set_irq(pm_state->irq, 0);
}
--
1.4.2
- [Qemu-devel] [PATCH 1/15] Make a GPE register block be acessible., (continued)
- [Qemu-devel] [PATCH 1/15] Make a GPE register block be acessible., Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 2/15] mark extra cpus as present, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 3/15] introduce cpu_set to qemu monitor, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 4/15] mark processors as presents, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 5/15] provide gpe _L0x methods, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 6/15] provide operation region for pio to the gpes, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 7/15] implement method _L00 for GPE0, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 8/15] isolate cpu initialization function in hw/pc.c, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 9/15] initialize hot add system., Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 10/15] handle gpe data for pio, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 11/15] manipulate the gpe bits and send sci up the os.,
Glauber Costa <=
- [Qemu-devel] [PATCH 12/15] isolate cpu thread creation in qemu-kvm.c, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 13/15] provide _MAT to acpi processor, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 14/15] start a new cpu thread, Glauber Costa, 2008/02/26
- [Qemu-devel] [PATCH 15/15] remove acpi_build_processor_ssdt, Glauber Costa, 2008/02/26
- [Qemu-devel] Re: [kvm-devel] [PATCH 4/15] mark processors as presents, Alexander Graf, 2008/02/26
- [Qemu-devel] Re: [kvm-devel] [PATCH 4/15] mark processors as presents, Alexander Graf, 2008/02/26
[Qemu-devel] Re: [kvm-devel] [PATCH 0/15] acpi processor hotplug, Avi Kivity, 2008/02/27