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

fix hang in USB interrupt (disabled for now)

Browse Source
This commit is contained in:
Markus Fröschle
2016-12-11 10:35:51 +00:00
parent 7161ed3b55
commit 8e768bc746
9 changed files with 145 additions and 127 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
sys/driver_mem.c
View File

@@ -11,6 +11,7 @@
* option any later version.
*/
#include <bas_types.h>
#include "bas_string.h"
#include "bas_printf.h"
@@ -27,13 +28,8 @@
#error "unknown machine!"
#endif
//#define DBG_DM
#ifdef DBG_DM
#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
#else
#define dbg(format, arg...) do { ; } while (0)
#endif
#define err(format, arg...) do { xprintf("ERROR: %s(): " format, __FUNCTION__, ##arg); } while (0)
// #define DEBUG
#include "debug.h"
extern long offscren_reserved(void);
@@ -259,7 +255,7 @@ int32_t driver_mem_free(void *addr)
freeit(p, mpb);
set_ipl(level);
dbg("%s: driver_mem_free(0x%08X)\r\n", __FUNCTION__, addr);
dbg("addr=0x%08X)\r\n", addr);
return(0);
}
@@ -293,7 +289,7 @@ void *driver_mem_alloc(uint32_t amount)
ret = (void *) m->m_start;
}
set_ipl(level);
dbg("%s: driver_mem_alloc(%d) = 0x%08X\r\n", __FUNCTION__, amount, ret);
dbg("alloc(%d) = 0x%08X\r\n", amount, ret);
return ret;
}
@@ -304,7 +300,7 @@ int driver_mem_init(void)
{
if (use_count == 0)
{
dbg("%s: initialise driver_mem_buffer[] at %p, size 0x%x\r\n", __FUNCTION__, driver_mem_buffer, DRIVER_MEM_BUFFER_SIZE);
dbg("initialise driver_mem_buffer[] at %p, size 0x%x\r\n", driver_mem_buffer, DRIVER_MEM_BUFFER_SIZE);
memset(driver_mem_buffer, 0, DRIVER_MEM_BUFFER_SIZE);
pmd.mp_mfl = pmd.mp_rover = &tab_md[0];
@@ -315,10 +311,10 @@ int driver_mem_init(void)
pmd.mp_mal = (MD *) NULL;
memset(driver_mem_buffer, 0, tab_md[0].m_length);
dbg("%s: uncached driver memory buffer at 0x%08X size %d\r\n", __FUNCTION__, tab_md[0].m_start, tab_md[0].m_length);
dbg("uncached driver memory buffer at 0x%08X size %d\r\n", tab_md[0].m_start, tab_md[0].m_length);
}
use_count++;
dbg("%s: driver_mem now has a use count of %d\r\n", __FUNCTION__, use_count);
dbg("driver_mem now has a use count of %d\r\n", use_count);
return 0;
}
@@ -335,7 +331,7 @@ void driver_mem_release(void)
#endif
#endif
}
dbg("%s: driver_mem use count now %d\r\n", __FUNCTION__, use_count);
dbg("driver_mem use count now %d\r\n", use_count);
}

2
sys/exceptions.S
View File

@@ -268,7 +268,7 @@ _std_exc_vec:
movem.l d0/a5,(sp) // save registers
move.w 8(sp),d0 // fetch vector
and.l #0x3fc,d0 // mask out vector number
//#define DBG_EXC
// #define DBG_EXC
#ifdef DBG_EXC
// printout vector number of exception

22
sys/interrupts.c
View File

@@ -36,8 +36,9 @@
#include "util.h"
#include "dma.h"
#include "pci.h"
#include <stdarg.h>
// // #define DEBUG
// #define DEBUG
#include "debug.h"
#ifndef MAX_ISR_ENTRY
@@ -434,14 +435,29 @@ bool pciarb_interrupt_handler(void *arg1, void *arg2)
return true;
}
bool xlbarb_interrupt_handler(void *arg1, void *arg2)
bool xlbarb_interrupt_handler(void *arg1, void *arg2, ...)
{
va_list args;
int i;
uint32_t status = MCF_XLB_XARB_SR;
dbg("arg1=0x%08x arg2=0x%08x\r\n", arg1, arg2);
va_start(args, arg2);
for (i = 0; i < 20; i++)
{
dbg("arg[%d]=0x%08x\r\n", i, va_arg(args, int));
}
va_end(args);
/*
* TODO: we should probably issue a bus error when this occors
*/
err("XLB arbiter interrupt. XARB_ADRCAP=0x%08lx\r\n", MCF_XLB_XARB_ADRCAP);
err("XLB arbiter interrupt.\r\n");
err("XARB_ADRCAP=0x%08lx\r\n", MCF_XLB_XARB_ADRCAP);
err("XARB_SIGCAP=0x%08lx\r\n", MCF_XLB_XARB_SIGCAP);
MCF_XLB_XARB_ADRCAP = 0x0L;
MCF_XLB_XARB_SIGCAP = 0x0L;
if (status & MCF_XLB_XARB_SR_AT)
err("address tenure timeout\r\n");

4
sys/sysinit.c
View File

@@ -53,7 +53,7 @@
#include "usb.h"
#include "video.h"
#define DEBUG
// #define DEBUG
#include "debug.h"
#define UNUSED(x) (void)(x) /* Unused variable */
@@ -592,7 +592,7 @@ void init_usb(void)
do
{
handle = pci_find_classcode(PCI_CLASS_SERIAL_USB | PCI_FIND_BASE_CLASS | PCI_FIND_SUB_CLASS | PCI_FIND_PROG_IF, index++);
handle = pci_find_classcode(PCI_CLASS_SERIAL_USB | PCI_FIND_BASE_CLASS | PCI_FIND_SUB_CLASS, index++);
dbg("handle 0x%02x\r\n", handle);
if (handle > 0)
{