* [Qemu-devel] [PATCH v3 1/3] sh_pci: remove sysbus_init_mmio_cb2 usage
2011-12-16 22:37 [Qemu-devel] [PATCH v3 0/3] remove sysbus_init_mmio_cb2 usage Benoît Canet
@ 2011-12-16 22:37 ` Benoît Canet
2011-12-18 22:55 ` Peter Maydell
2011-12-16 22:37 ` [Qemu-devel] [PATCH v3 2/3] ppce500_pci: " Benoît Canet
` (2 subsequent siblings)
3 siblings, 1 reply; 8+ messages in thread
From: Benoît Canet @ 2011-12-16 22:37 UTC (permalink / raw)
To: qemu-devel; +Cc: peter.maydell, Benoît Canet, agraf
The isa region is not exposed as a sysbus region because the iobr
register contains its address and use it to remap dynamically
the region. (Peter Maydell's idea)
Signed-off-by: Benoît Canet <benoit.canet@gmail.com>
---
hw/r2d.c | 14 ++++++++++++--
hw/sh_pci.c | 29 ++++-------------------------
2 files changed, 16 insertions(+), 27 deletions(-)
diff --git a/hw/r2d.c b/hw/r2d.c
index 9b6fcba..6e1f71c 100644
--- a/hw/r2d.c
+++ b/hw/r2d.c
@@ -231,6 +231,8 @@ static void r2d_init(ram_addr_t ram_size,
qemu_irq *irq;
DriveInfo *dinfo;
int i;
+ DeviceState *dev;
+ SysBusDevice *busdev;
MemoryRegion *address_space_mem = get_system_memory();
if (!cpu_model)
@@ -252,8 +254,16 @@ static void r2d_init(ram_addr_t ram_size,
/* Register peripherals */
s = sh7750_init(env, address_space_mem);
irq = r2d_fpga_init(address_space_mem, 0x04000000, sh7750_irl(s));
- sysbus_create_varargs("sh_pci", 0x1e200000, irq[PCI_INTA], irq[PCI_INTB],
- irq[PCI_INTC], irq[PCI_INTD], NULL);
+
+ dev = qdev_create(NULL, "sh_pci");
+ busdev = sysbus_from_qdev(dev);
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(busdev, 0, P4ADDR(0x1e200000));
+ sysbus_mmio_map(busdev, 1, A7ADDR(0x1e200000));
+ sysbus_connect_irq(busdev, 0, irq[PCI_INTA]);
+ sysbus_connect_irq(busdev, 1, irq[PCI_INTB]);
+ sysbus_connect_irq(busdev, 2, irq[PCI_INTC]);
+ sysbus_connect_irq(busdev, 3, irq[PCI_INTD]);
sm501_init(address_space_mem, 0x10000000, SM501_VRAM_SIZE,
irq[SM501], serial_hds[2]);
diff --git a/hw/sh_pci.c b/hw/sh_pci.c
index 86f468e..d4d028d 100644
--- a/hw/sh_pci.c
+++ b/hw/sh_pci.c
@@ -110,29 +110,6 @@ static void sh_pci_set_irq(void *opaque, int irq_num, int level)
qemu_set_irq(pic[irq_num], level);
}
-static void sh_pci_map(SysBusDevice *dev, target_phys_addr_t base)
-{
- SHPCIState *s = FROM_SYSBUS(SHPCIState, dev);
-
- memory_region_add_subregion(get_system_memory(),
- P4ADDR(base),
- &s->memconfig_p4);
- memory_region_add_subregion(get_system_memory(),
- A7ADDR(base),
- &s->memconfig_a7);
- s->iobr = 0xfe240000;
- memory_region_add_subregion(get_system_memory(), s->iobr, &s->isa);
-}
-
-static void sh_pci_unmap(SysBusDevice *dev, target_phys_addr_t base)
-{
- SHPCIState *s = FROM_SYSBUS(SHPCIState, dev);
-
- memory_region_del_subregion(get_system_memory(), &s->memconfig_p4);
- memory_region_del_subregion(get_system_memory(), &s->memconfig_a7);
- memory_region_del_subregion(get_system_memory(), &s->isa);
-}
-
static int sh_pci_init_device(SysBusDevice *dev)
{
SHPCIState *s;
@@ -153,9 +130,11 @@ static int sh_pci_init_device(SysBusDevice *dev)
memory_region_init_alias(&s->memconfig_a7, "sh_pci.2", &s->memconfig_p4,
0, 0x224);
isa_mmio_setup(&s->isa, 0x40000);
- sysbus_init_mmio_cb2(dev, sh_pci_map, sh_pci_unmap);
+ sysbus_init_mmio(dev, &s->memconfig_p4);
sysbus_init_mmio(dev, &s->memconfig_a7);
- sysbus_init_mmio(dev, &s->isa);
+ s->iobr = 0xfe240000;
+ memory_region_add_subregion(get_system_memory(), s->iobr, &s->isa);
+
s->dev = pci_create_simple(s->bus, PCI_DEVFN(0, 0), "sh_pci_host");
return 0;
}
--
1.7.7.4
^ permalink raw reply related [flat|nested] 8+ messages in thread* [Qemu-devel] [PATCH v3 2/3] ppce500_pci: remove sysbus_init_mmio_cb2 usage
2011-12-16 22:37 [Qemu-devel] [PATCH v3 0/3] remove sysbus_init_mmio_cb2 usage Benoît Canet
2011-12-16 22:37 ` [Qemu-devel] [PATCH v3 1/3] sh_pci: " Benoît Canet
@ 2011-12-16 22:37 ` Benoît Canet
2011-12-18 22:55 ` Peter Maydell
2011-12-16 22:37 ` [Qemu-devel] [PATCH v3 3/3] sysbus: remove sysbus_init_mmio_cb2 Benoît Canet
2011-12-19 20:18 ` [Qemu-devel] [PATCH v3 0/3] remove sysbus_init_mmio_cb2 usage Anthony Liguori
3 siblings, 1 reply; 8+ messages in thread
From: Benoît Canet @ 2011-12-16 22:37 UTC (permalink / raw)
To: qemu-devel; +Cc: peter.maydell, Benoît Canet, agraf
Expose only one container MemoryRegion to sysbus.
(Peter Maydell's idea)
Signed-off-by: Benoît Canet <benoit.canet@gmail.com>
---
hw/ppce500_pci.c | 27 ++++++---------------------
1 files changed, 6 insertions(+), 21 deletions(-)
diff --git a/hw/ppce500_pci.c b/hw/ppce500_pci.c
index 6232af1..b606206 100644
--- a/hw/ppce500_pci.c
+++ b/hw/ppce500_pci.c
@@ -79,6 +79,7 @@ struct PPCE500PCIState {
uint32_t gasket_time;
qemu_irq irq[4];
/* mmio maps */
+ MemoryRegion container;
MemoryRegion iomem;
};
@@ -298,26 +299,6 @@ static const VMStateDescription vmstate_ppce500_pci = {
}
};
-static void e500_pci_map(SysBusDevice *dev, target_phys_addr_t base)
-{
- PCIHostState *h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev));
- PPCE500PCIState *s = DO_UPCAST(PPCE500PCIState, pci_state, h);
-
- sysbus_add_memory(dev, base + PCIE500_CFGADDR, &h->conf_mem);
- sysbus_add_memory(dev, base + PCIE500_CFGDATA, &h->data_mem);
- sysbus_add_memory(dev, base + PCIE500_REG_BASE, &s->iomem);
-}
-
-static void e500_pci_unmap(SysBusDevice *dev, target_phys_addr_t base)
-{
- PCIHostState *h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev));
- PPCE500PCIState *s = DO_UPCAST(PPCE500PCIState, pci_state, h);
-
- sysbus_del_memory(dev, &h->conf_mem);
- sysbus_del_memory(dev, &h->data_mem);
- sysbus_del_memory(dev, &s->iomem);
-}
-
#include "exec-memory.h"
static int e500_pcihost_initfn(SysBusDevice *dev)
@@ -343,13 +324,17 @@ static int e500_pcihost_initfn(SysBusDevice *dev)
pci_create_simple(b, 0, "e500-host-bridge");
+ memory_region_init(&s->container, "pci-container", PCIE500_ALL_SIZE);
memory_region_init_io(&h->conf_mem, &pci_host_conf_be_ops, h,
"pci-conf-idx", 4);
memory_region_init_io(&h->data_mem, &pci_host_data_le_ops, h,
"pci-conf-data", 4);
memory_region_init_io(&s->iomem, &e500_pci_reg_ops, s,
"pci.reg", PCIE500_REG_SIZE);
- sysbus_init_mmio_cb2(dev, e500_pci_map, e500_pci_unmap);
+ memory_region_add_subregion(&s->container, PCIE500_CFGADDR, &h->conf_mem);
+ memory_region_add_subregion(&s->container, PCIE500_CFGDATA, &h->data_mem);
+ memory_region_add_subregion(&s->container, PCIE500_REG_BASE, &s->iomem);
+ sysbus_init_mmio(dev, &s->container);
return 0;
}
--
1.7.7.4
^ permalink raw reply related [flat|nested] 8+ messages in thread* [Qemu-devel] [PATCH v3 3/3] sysbus: remove sysbus_init_mmio_cb2
2011-12-16 22:37 [Qemu-devel] [PATCH v3 0/3] remove sysbus_init_mmio_cb2 usage Benoît Canet
2011-12-16 22:37 ` [Qemu-devel] [PATCH v3 1/3] sh_pci: " Benoît Canet
2011-12-16 22:37 ` [Qemu-devel] [PATCH v3 2/3] ppce500_pci: " Benoît Canet
@ 2011-12-16 22:37 ` Benoît Canet
2011-12-18 23:00 ` Peter Maydell
2011-12-19 20:18 ` [Qemu-devel] [PATCH v3 0/3] remove sysbus_init_mmio_cb2 usage Anthony Liguori
3 siblings, 1 reply; 8+ messages in thread
From: Benoît Canet @ 2011-12-16 22:37 UTC (permalink / raw)
To: qemu-devel; +Cc: peter.maydell, Benoît Canet, agraf
This function is not longer in use so remove it.
Signed-off-by: Benoît Canet <benoit.canet@gmail.com>
---
hw/sysbus.c | 16 ----------------
hw/sysbus.h | 5 -----
2 files changed, 0 insertions(+), 21 deletions(-)
diff --git a/hw/sysbus.c b/hw/sysbus.c
index b315a8c..81a57bd 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -53,8 +53,6 @@ void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr)
if (dev->mmio[n].memory) {
memory_region_del_subregion(get_system_memory(),
dev->mmio[n].memory);
- } else if (dev->mmio[n].unmap) {
- dev->mmio[n].unmap(dev, dev->mmio[n].addr);
}
}
dev->mmio[n].addr = addr;
@@ -62,8 +60,6 @@ void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr)
memory_region_add_subregion(get_system_memory(),
addr,
dev->mmio[n].memory);
- } else if (dev->mmio[n].cb) {
- dev->mmio[n].cb(dev, addr);
}
}
@@ -89,18 +85,6 @@ void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target)
}
}
-void sysbus_init_mmio_cb2(SysBusDevice *dev,
- mmio_mapfunc cb, mmio_mapfunc unmap)
-{
- int n;
-
- assert(dev->num_mmio < QDEV_MAX_MMIO);
- n = dev->num_mmio++;
- dev->mmio[n].addr = -1;
- dev->mmio[n].cb = cb;
- dev->mmio[n].unmap = unmap;
-}
-
void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory)
{
int n;
diff --git a/hw/sysbus.h b/hw/sysbus.h
index 9bac582..2f4025b 100644
--- a/hw/sysbus.h
+++ b/hw/sysbus.h
@@ -11,7 +11,6 @@
#define QDEV_MAX_IRQ 256
typedef struct SysBusDevice SysBusDevice;
-typedef void (*mmio_mapfunc)(SysBusDevice *dev, target_phys_addr_t addr);
struct SysBusDevice {
DeviceState qdev;
@@ -21,8 +20,6 @@ struct SysBusDevice {
int num_mmio;
struct {
target_phys_addr_t addr;
- mmio_mapfunc cb;
- mmio_mapfunc unmap;
MemoryRegion *memory;
} mmio[QDEV_MAX_MMIO];
int num_pio;
@@ -43,8 +40,6 @@ typedef struct {
void sysbus_register_dev(const char *name, size_t size, sysbus_initfn init);
void sysbus_register_withprop(SysBusDeviceInfo *info);
void *sysbus_new(void);
-void sysbus_init_mmio_cb2(SysBusDevice *dev,
- mmio_mapfunc cb, mmio_mapfunc unmap);
void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory);
MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n);
void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
--
1.7.7.4
^ permalink raw reply related [flat|nested] 8+ messages in thread* Re: [Qemu-devel] [PATCH v3 0/3] remove sysbus_init_mmio_cb2 usage
2011-12-16 22:37 [Qemu-devel] [PATCH v3 0/3] remove sysbus_init_mmio_cb2 usage Benoît Canet
` (2 preceding siblings ...)
2011-12-16 22:37 ` [Qemu-devel] [PATCH v3 3/3] sysbus: remove sysbus_init_mmio_cb2 Benoît Canet
@ 2011-12-19 20:18 ` Anthony Liguori
3 siblings, 0 replies; 8+ messages in thread
From: Anthony Liguori @ 2011-12-19 20:18 UTC (permalink / raw)
To: Benoît Canet; +Cc: peter.maydell, qemu-devel, agraf
On 12/16/2011 04:37 PM, Benoît Canet wrote:
> These patches remove sysbus_init_mmio_cb2 usage from the codebase.
>
> v2:
> dont't change ppce500 initialisation method (peter)
> v3:
> remove unused variable (anthony)
Applied all. Thanks.
Regards,
Anthony Liguori
>
> Benoît Canet (3):
> sh_pci: remove sysbus_init_mmio_cb2 usage
> ppce500_pci: remove sysbus_init_mmio_cb2 usage
> sysbus: remove sysbus_init_mmio_cb2
>
> hw/ppce500_pci.c | 27 ++++++---------------------
> hw/r2d.c | 14 ++++++++++++--
> hw/sh_pci.c | 29 ++++-------------------------
> hw/sysbus.c | 16 ----------------
> hw/sysbus.h | 5 -----
> 5 files changed, 22 insertions(+), 69 deletions(-)
>
^ permalink raw reply [flat|nested] 8+ messages in thread