Firebee/BaS_gcc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

modified to expose the PCI "native" driver interface (this is different

Browse Source 
from the PCIBIOS) to TOS
This commit is contained in:
Markus Fröschle
2015-02-14 08:45:59 +00:00
parent 09b3d1a384
commit e2fd2fd76a
3 changed files with 69 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
BaS_gcc/if/driver_vec.c
View File

@@ -124,6 +124,19 @@ static struct pci_bios_interface pci_interface =
.phys_to_virt = wrapper_phys_to_virt,
};
static struct pci_native_driver_interface pci_native_interface =
{
.pci_read_config_longword = pci_read_config_longword,
.pci_read_config_word = pci_read_config_longword,
.pci_read_config_byte = pci_read_config_byte,
.pci_write_config_longword = pci_write_config_longword,
.pci_write_config_word = pci_write_config_word,
.pci_write_config_byte = pci_write_config_byte,
.pci_hook_interrupt = pci_hook_interrupt,
.pci_unhook_interrupt = pci_unhook_interrupt,
.pci_get_resource = pci_get_resource,
};
/*
* driver interface struct for the BaS framebuffer video driver
*/
@@ -187,6 +200,14 @@ static struct generic_interface interfaces[] =
.revision = 1,
.interface.mmu = &mmu_interface,
},
{
.type = PCI_NATIVE_DRIVER,
.name = "PCI_N",
.description = "BaS PCI native",
.version = 0,
.revision = 1,
.interface.pci_native = &pci_native_interface,
},
/* insert new drivers here */
{

17
BaS_gcc/include/driver_vec.h
View File

@@ -38,6 +38,7 @@ enum driver_type
VIDEO_DRIVER,
PCI_DRIVER,
MMU_DRIVER,
PCI_NATIVE_DRIVER,
END_OF_DRIVERS = 0xffffffff, /* marks end of driver list */
};
@@ -270,6 +271,21 @@ struct mmu_driver_interface
uint32_t (*report_pagesize)(void);
};
struct pci_native_driver_interface
{
uint32_t (*pci_read_config_longword)(int32_t handle, int offset);
uint16_t (*pci_read_config_word)(int32_t handle, int offset);
uint8_t (*pci_read_config_byte)(int32_t handle, int offset);
int32_t (*pci_write_config_longword)(int32_t handle, int offset, uint32_t value);
int32_t (*pci_write_config_word)(int32_t handle, int offset, uint16_t value);
int32_t (*pci_write_config_byte)(int32_t handle, int offset, uint8_t value);
int32_t (*pci_hook_interrupt)(int32_t handle, void *handler, void *parameter);
int32_t (*pci_unhook_interrupt)(int32_t handle);
struct pci_rd (*pci_get_resource)(int32_t handle);
};
union interface
{
struct generic_driver_interface *gdi;
@@ -278,6 +294,7 @@ union interface
struct framebuffer_driver_interface *fb;
struct pci_bios_interface *pci;
struct mmu_driver_interface *mmu;
struct pci_native_driver_interface *pci_native;
};
struct generic_interface

9
BaS_gcc/tos/bascook/sources/bascook.c
View File

@@ -86,6 +86,7 @@ void setcookie(uint32_t cookie, uint32_t value)
}
#define COOKIE_DMAC 0x444d4143L /* FireTOS DMA API */
#define COOKIE_BAS_ 0x4241535fL /* BAS_ cookie (points to driver table struct */
static char *dt_to_str(enum driver_type dt)
{
@@ -98,6 +99,7 @@ static char *dt_to_str(enum driver_type dt)
case MCD_DRIVER: return "multichannel DMA driver";
case PCI_DRIVER: return "PCI interface driver";
case MMU_DRIVER: return "MMU lock/unlock pages driver";
case PCI_NATIVE_DRIVER: return "PCI interface native driver";
default: return "unknown driver type";
}
}
@@ -114,6 +116,7 @@ int main(int argc, char *argv[])
ssp = (void *) Super(0L); /* go to supervisor mode, we are doing dirty tricks */
sig = * (long *)((*sysbase) + 0x2c);
/*
* first check if we are on EmuTOS, FireTOS want's to do everything itself
*/
@@ -144,6 +147,12 @@ int main(int argc, char *argv[])
}
ifc++;
}
/*
* set cookie to be able to find the driver table later on
*/
setcookie(COOKIE_BAS_, (uint32_t) dt);
printf("BAS_ cookie set to %p\r\n", dt);
}
else
{