#ifdef BCMDBG
-/* ARM trap handling */
-struct brcmf_trap {
- u32 type;
- u32 epc;
- u32 cpsr;
- u32 spsr;
- u32 r0;
- u32 r1;
- u32 r2;
- u32 r3;
- u32 r4;
- u32 r5;
- u32 r6;
- u32 r7;
- u32 r8;
- u32 r9;
- u32 r10;
- u32 r11;
- u32 r12;
- u32 r13;
- u32 r14;
- u32 pc;
-};
+#define BRCMF_TRAP_INFO_SIZE 80
#define CBUF_LEN (128)
}
#ifdef BCMDBG
-static int
-brcmf_sdbrcm_readshared(struct brcmf_bus *bus, struct sdpcm_shared *sh)
-{
- u32 addr;
- __le32 addr_le;
- int rv;
- struct sdpcm_shared_le sh_le;
-
- /* Read last word in memory to determine address of
- sdpcm_shared structure */
- rv = brcmf_sdbrcm_membytes(bus, false, bus->ramsize - 4, (u8 *)&addr_le,
- 4);
- if (rv < 0)
- return rv;
-
- addr = le32_to_cpu(addr_le);
-
- brcmf_dbg(INFO, "sdpcm_shared address 0x%08X\n", addr);
-
- /*
- * Check if addr is valid.
- * NVRAM length at the end of memory should have been overwritten.
- */
- if (addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)) {
- brcmf_dbg(ERROR, "address (0x%08x) of sdpcm_shared invalid\n",
- addr);
- return -EBADE;
- }
-
- /* Read rte_shared structure */
- rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *) &sh_le,
- sizeof(struct sdpcm_shared_le));
- if (rv < 0)
- return rv;
-
- /* Endianness */
- sh->flags = le32_to_cpu(sh_le.flags);
- sh->trap_addr = le32_to_cpu(sh_le.trap_addr);
- sh->assert_exp_addr = le32_to_cpu(sh_le.assert_exp_addr);
- sh->assert_file_addr = le32_to_cpu(sh_le.assert_file_addr);
- sh->assert_line = le32_to_cpu(sh_le.assert_line);
- sh->console_addr = le32_to_cpu(sh_le.console_addr);
- sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr);
- memcpy(sh->tag, sh_le.tag, sizeof(sh->tag));
-
- if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) {
- brcmf_dbg(ERROR, "sdpcm_shared version %d in brcmf is different than sdpcm_shared version %d in dongle\n",
- SDPCM_SHARED_VERSION,
- sh->flags & SDPCM_SHARED_VERSION_MASK);
- return -EBADE;
- }
-
- return 0;
-}
-
-static int brcmf_sdbrcm_mem_dump(struct brcmf_bus *bus)
-{
- int ret = 0;
- int size; /* Full mem size */
- int start = 0; /* Start address */
- int read_size = 0; /* Read size of each iteration */
- u8 *buf = NULL, *databuf = NULL;
-
- /* Get full mem size */
- size = bus->ramsize;
- buf = kmalloc(size, GFP_ATOMIC);
- if (!buf)
- return -1;
-
- /* Read mem content */
- printk(KERN_DEBUG "Dump dongle memory");
- databuf = buf;
- while (size) {
- read_size = min(MEMBLOCK, size);
- ret = brcmf_sdbrcm_membytes(bus, false, start, databuf,
- read_size);
- if (ret) {
- brcmf_dbg(ERROR, "Error membytes %d\n", ret);
- kfree(buf);
- return -1;
- }
- printk(".");
-
- /* Decrement size and increment start address */
- size -= read_size;
- start += read_size;
- databuf += read_size;
- }
- printk(KERN_DEBUG "Done\n");
-
- /* free buf before return !!! */
- if (brcmf_write_to_file(bus->drvr, buf, bus->ramsize)) {
- brcmf_dbg(ERROR, "Error writing to files\n");
- return -1;
- }
-
- /* buf free handled in brcmf_write_to_file, not here */
- return 0;
-}
-
-static int brcmf_sdbrcm_checkdied(struct brcmf_bus *bus, u8 *data, uint size)
-{
- int bcmerror = 0;
- uint msize = 512;
- char *mbuffer = NULL;
- uint maxstrlen = 256;
- char *str = NULL;
- struct brcmf_trap tr;
- struct sdpcm_shared sdpcm_shared;
- struct brcmu_strbuf strbuf;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- if (data == NULL) {
- /*
- * Called after a rx ctrl timeout. "data" is NULL.
- * allocate memory to trace the trap or assert.
- */
- size = msize;
- mbuffer = data = kmalloc(msize, GFP_ATOMIC);
- if (mbuffer == NULL) {
- bcmerror = -ENOMEM;
- goto done;
- }
- }
-
- str = kmalloc(maxstrlen, GFP_ATOMIC);
- if (str == NULL) {
- bcmerror = -ENOMEM;
- goto done;
- }
-
- bcmerror = brcmf_sdbrcm_readshared(bus, &sdpcm_shared);
- if (bcmerror < 0)
- goto done;
-
- brcmu_binit(&strbuf, data, size);
-
- brcmu_bprintf(&strbuf,
- "msgtrace address : 0x%08X\nconsole address : 0x%08X\n",
- sdpcm_shared.msgtrace_addr, sdpcm_shared.console_addr);
-
- if ((sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) == 0)
- /* NOTE: Misspelled assert is intentional - DO NOT FIX.
- * (Avoids conflict with real asserts for programmatic
- * parsing of output.)
- */
- brcmu_bprintf(&strbuf, "Assrt not built in dongle\n");
-
- if ((sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP)) ==
- 0) {
- /* NOTE: Misspelled assert is intentional - DO NOT FIX.
- * (Avoids conflict with real asserts for programmatic
- * parsing of output.)
- */
- brcmu_bprintf(&strbuf, "No trap%s in dongle",
- (sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT)
- ? "/assrt" : "");
- } else {
- if (sdpcm_shared.flags & SDPCM_SHARED_ASSERT) {
- /* Download assert */
- brcmu_bprintf(&strbuf, "Dongle assert");
- if (sdpcm_shared.assert_exp_addr != 0) {
- str[0] = '\0';
- bcmerror = brcmf_sdbrcm_membytes(bus, false,
- sdpcm_shared.assert_exp_addr,
- (u8 *) str, maxstrlen);
- if (bcmerror < 0)
- goto done;
-
- str[maxstrlen - 1] = '\0';
- brcmu_bprintf(&strbuf, " expr \"%s\"", str);
- }
-
- if (sdpcm_shared.assert_file_addr != 0) {
- str[0] = '\0';
- bcmerror = brcmf_sdbrcm_membytes(bus, false,
- sdpcm_shared.assert_file_addr,
- (u8 *) str, maxstrlen);
- if (bcmerror < 0)
- goto done;
-
- str[maxstrlen - 1] = '\0';
- brcmu_bprintf(&strbuf, " file \"%s\"", str);
- }
-
- brcmu_bprintf(&strbuf, " line %d ",
- sdpcm_shared.assert_line);
- }
-
- if (sdpcm_shared.flags & SDPCM_SHARED_TRAP) {
- bcmerror = brcmf_sdbrcm_membytes(bus, false,
- sdpcm_shared.trap_addr, (u8 *)&tr,
- sizeof(struct brcmf_trap));
- if (bcmerror < 0)
- goto done;
-
- brcmu_bprintf(&strbuf,
- "Dongle trap type 0x%x @ epc 0x%x, cpsr 0x%x, spsr 0x%x, sp 0x%x,"
- "lp 0x%x, rpc 0x%x Trap offset 0x%x, "
- "r0 0x%x, r1 0x%x, r2 0x%x, r3 0x%x, r4 0x%x, r5 0x%x, r6 0x%x, r7 0x%x\n",
- tr.type, tr.epc, tr.cpsr, tr.spsr, tr.r13,
- tr.r14, tr.pc, sdpcm_shared.trap_addr,
- tr.r0, tr.r1, tr.r2, tr.r3, tr.r4, tr.r5,
- tr.r6, tr.r7);
- }
- }
-
- if (sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP))
- brcmf_dbg(ERROR, "%s\n", strbuf.origbuf);
-
-#ifdef BCMDBG
- if (sdpcm_shared.flags & SDPCM_SHARED_TRAP)
- /* Mem dump to a file on device */
- brcmf_sdbrcm_mem_dump(bus);
-
-#endif /* BCMDBG */
-
-done:
- kfree(mbuffer);
- kfree(str);
-
- return bcmerror;
-}
-
#define CONSOLE_LINE_MAX 192
static int brcmf_sdbrcm_readconsole(struct brcmf_bus *bus)
rxlen, msglen);
} else if (timeleft == 0) {
brcmf_dbg(ERROR, "resumed on timeout\n");
-#ifdef BCMDBG
- brcmf_sdbrcm_sdlock(bus);
- brcmf_sdbrcm_checkdied(bus, NULL, 0);
- brcmf_sdbrcm_sdunlock(bus);
-#endif /* BCMDBG */
} else if (pending == true) {
brcmf_dbg(CTL, "cancelled\n");
return -ERESTARTSYS;
} else {
brcmf_dbg(CTL, "resumed for unknown reason?\n");
-#ifdef BCMDBG
- brcmf_sdbrcm_sdlock(bus);
- brcmf_sdbrcm_checkdied(bus, NULL, 0);
- brcmf_sdbrcm_sdunlock(bus);
-#endif /* BCMDBG */
}
if (rxlen)
projects / users / hch / uuid.git / commitdiff