Commit e62c31e2 authored by Richard Henderson's avatar Richard Henderson Committed by Richard Henderson

[ALPHA] Formatting cleanup, warning removal, move declarations

to header files where they belong.
parent 29a54be1
/*
* linux/arch/alpha/kernel/core_marvel.c
*
* Code common to all Marvel based systems
* Code common to all Marvel based systems.
*/
#include <linux/config.h>
......@@ -55,7 +55,7 @@ static struct io7 *io7_head = NULL;
/*
* Helper functions
*/
static unsigned long
static unsigned long __attribute__ ((unused))
read_ev7_csr(int pe, unsigned long offset)
{
ev7_csr *ev7csr = EV7_CSR_KERN(pe, offset);
......@@ -91,18 +91,19 @@ mk_resource_name(int pe, int port, char *str)
return name;
}
struct io7 *marvel_next_io7(struct io7 *prev)
inline struct io7 *
marvel_next_io7(struct io7 *prev)
{
if (!prev) return io7_head;
return prev->next;
return (prev ? prev->next : io7_head);
}
struct io7 *marvel_find_io7(int pe)
struct io7 *
marvel_find_io7(int pe)
{
struct io7 *io7;
io7 = marvel_next_io7(NULL);
for(; io7 && io7->pe != pe; io7 = marvel_next_io7(io7));
for (io7 = io7_head; io7 && io7->pe != pe; io7 = io7->next)
continue;
return io7;
}
......@@ -123,14 +124,14 @@ alloc_io7(unsigned int pe)
io7->pe = pe;
io7->irq_lock = SPIN_LOCK_UNLOCKED;
for(h = 0; h < 4; h++) {
for (h = 0; h < 4; h++) {
io7->ports[h].io7 = io7;
io7->ports[h].port = h;
io7->ports[h].enabled = 0; /* default to disabled */
}
/*
* insert in pe sorted order
* Insert in pe sorted order.
*/
if (NULL == io7_head) /* empty list */
io7_head = io7;
......@@ -138,7 +139,7 @@ alloc_io7(unsigned int pe)
io7->next = io7_head;
io7_head = io7;
} else { /* insert at position */
for(insp = io7_head; insp; insp = insp->next) {
for (insp = io7_head; insp; insp = insp->next) {
if (insp->pe == io7->pe) {
printk(KERN_ERR "Too many IO7s at PE %d\n",
io7->pe);
......@@ -173,30 +174,30 @@ io7_clear_errors(struct io7 *io7)
/*
* First the IO ports
* First the IO ports.
*/
for(port = 0; port < 4; port++) {
for (port = 0; port < 4; port++) {
csrs = IO7_CSRS_KERN(io7->pe, port);
csrs->POx_ERR_SUM.csr = (unsigned long)-1L;
csrs->POx_TLB_ERR.csr = (unsigned long)-1L;
csrs->POx_SPL_COMPLT.csr = (unsigned long)-1L;
csrs->POx_TRANS_SUM.csr = (unsigned long)-1L;
csrs->POx_ERR_SUM.csr = -1UL;
csrs->POx_TLB_ERR.csr = -1UL;
csrs->POx_SPL_COMPLT.csr = -1UL;
csrs->POx_TRANS_SUM.csr = -1UL;
}
/*
* Then the common ones
* Then the common ones.
*/
p7csrs = IO7_PORT7_CSRS_KERN(io7->pe);
p7csrs->PO7_ERROR_SUM.csr = (unsigned long)-1L;
p7csrs->PO7_UNCRR_SYM.csr = (unsigned long)-1L;
p7csrs->PO7_CRRCT_SYM.csr = (unsigned long)-1L;
p7csrs->PO7_ERROR_SUM.csr = -1UL;
p7csrs->PO7_UNCRR_SYM.csr = -1UL;
p7csrs->PO7_CRRCT_SYM.csr = -1UL;
}
/*
* IO7 PCI, PCI/X, AGP configuration
* IO7 PCI, PCI/X, AGP configuration.
*/
static void __init
io7_init_hose(struct io7 *io7, int port)
......@@ -237,7 +238,7 @@ io7_init_hose(struct io7 *io7, int port)
hose->dense_io_base = IO7_IO_PHYS(io7->pe, port);
/*
* Base addresses and resource ranges for kernel consumption
* Base addresses and resource ranges for kernel consumption.
*/
hose->config_space_base = (unsigned long)IO7_CONF_KERN(io7->pe, port);
......@@ -259,9 +260,9 @@ io7_init_hose(struct io7 *io7, int port)
hose->index);
/*
* Save the existing DMA window settings for later restoration
* Save the existing DMA window settings for later restoration.
*/
for(i = 0; i < 4; i++) {
for (i = 0; i < 4; i++) {
io7_port->saved_wbase[i] = csrs->POx_WBASE[i].csr;
io7_port->saved_wmask[i] = csrs->POx_WMASK[i].csr;
io7_port->saved_tbase[i] = csrs->POx_TBASE[i].csr;
......@@ -277,12 +278,12 @@ io7_init_hose(struct io7 *io7, int port)
*/
/*
* tbia before modifying windows
* TBIA before modifying windows.
*/
marvel_pci_tbi(hose, 0, -1);
/*
* set up window 0 for scatter-gather 8MB at 8MB
* Set up window 0 for scatter-gather 8MB at 8MB.
*/
hose->sg_isa = iommu_arena_new_node(marvel_cpuid_to_nid(io7->pe),
hose, 0x00800000, 0x00800000, 0);
......@@ -293,14 +294,14 @@ io7_init_hose(struct io7 *io7, int port)
csrs->POx_TBASE[0].csr = virt_to_phys(hose->sg_isa->ptes);
/*
* set up window 1 for direct-mapped 1GB at 2GB
* Set up window 1 for direct-mapped 1GB at 2GB.
*/
csrs->POx_WBASE[1].csr = __direct_map_base | wbase_m_ena;
csrs->POx_WMASK[1].csr = (__direct_map_size - 1) & wbase_m_addr;
csrs->POx_TBASE[1].csr = 0;
/*
* set up window 2 for scatter-gather (up-to) 1GB at 3GB
* Set up window 2 for scatter-gather (up-to) 1GB at 3GB.
*/
hose->sg_pci = iommu_arena_new_node(marvel_cpuid_to_nid(io7->pe),
hose, 0xc0000000, 0x40000000, 0);
......@@ -311,12 +312,12 @@ io7_init_hose(struct io7 *io7, int port)
csrs->POx_TBASE[2].csr = virt_to_phys(hose->sg_pci->ptes);
/*
* disable window 3
* Disable window 3.
*/
csrs->POx_WBASE[3].csr = 0;
/*
* Make sure that the AGP Monster Window is disabled
* Make sure that the AGP Monster Window is disabled.
*/
csrs->POx_CTRL.csr &= ~(1UL << 61);
......@@ -325,7 +326,7 @@ io7_init_hose(struct io7 *io7, int port)
csrs->POx_MSK_HEI.csr &= ~(3UL << 14);
#endif
/*
* tbia after modifying windows
* TBIA after modifying windows.
*/
marvel_pci_tbi(hose, 0, -1);
}
......@@ -338,14 +339,14 @@ marvel_init_io7(struct io7 *io7)
printk("Initializing IO7 at PID %d\n", io7->pe);
/*
* Get the Port 7 CSR pointer
* Get the Port 7 CSR pointer.
*/
io7->csrs = IO7_PORT7_CSRS_KERN(io7->pe);
/*
* Init this IO7's hoses
* Init this IO7's hoses.
*/
for(i = 0; i < IO7_NUM_PORTS; i++) {
for (i = 0; i < IO7_NUM_PORTS; i++) {
io7_ioport_csrs *csrs = IO7_CSRS_KERN(io7->pe, i);
if (csrs->POx_CACHE_CTL.csr == 8) {
io7->ports[i].enabled = 1;
......@@ -354,7 +355,8 @@ marvel_init_io7(struct io7 *io7)
}
}
void marvel_io7_present(gct6_node *node)
void
marvel_io7_present(gct6_node *node)
{
int pe;
......@@ -418,7 +420,8 @@ gct6_search_struct gct_wanted_node_list[] = {
* at boot time. Syntax is 'io7=a,b,c,...,n' where a-n are the PIDs (decimal)
* where IO7s are connected
*/
static int __init marvel_specify_io7(char *str)
static int __init
marvel_specify_io7(char *str)
{
unsigned long pid;
struct io7 *io7;
......@@ -449,18 +452,18 @@ marvel_init_arch(void)
ioport_resource.end = ~0UL;
iomem_resource.end = ~0UL;
/* PCI DMA Direct Mapping is 1GB at 2GB */
/* PCI DMA Direct Mapping is 1GB at 2GB. */
__direct_map_base = 0x80000000;
__direct_map_size = 0x40000000;
/* parse the config tree */
/* Parse the config tree. */
gct6_find_nodes(GCT_NODE_PTR(0), gct_wanted_node_list);
/* init the io7s */
for(io7 = NULL; NULL != (io7 = marvel_next_io7(io7)); )
/* Init the io7s. */
for (io7 = NULL; NULL != (io7 = marvel_next_io7(io7)); )
marvel_init_io7(io7);
/* Check for graphic console location (if any) */
/* Check for graphic console location (if any). */
marvel_init_vga_hose();
}
......@@ -515,14 +518,15 @@ mk_conf_addr(struct pci_bus *pbus, unsigned int devfn, int where)
if (!hose)
return addr;
/* check for enabled... */
/* Check for enabled. */
io7_port = hose->sysdata;
if (!io7_port->enabled)
return addr;
if (hose->first_busno == bus) {
/* don't support idsel > 20 on primary bus */
if (devfn >= PCI_DEVFN(21, 0)) return addr;
/* Don't support idsel > 20 on primary bus. */
if (devfn >= PCI_DEVFN(21, 0))
return addr;
bus = 0;
}
......@@ -598,7 +602,7 @@ struct pci_ops marvel_pci_ops =
/*
* Other PCI helper functions
* Other PCI helper functions.
*/
void
marvel_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end)
......@@ -613,12 +617,11 @@ marvel_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end)
/*
* IO map support
* IO map support.
*/
unsigned long
marvel_ioremap(unsigned long addr, unsigned long size)
{
extern struct pci_controller *hose_head;
struct pci_controller *hose;
unsigned long baddr, last;
struct vm_struct *area;
......@@ -627,7 +630,7 @@ marvel_ioremap(unsigned long addr, unsigned long size)
unsigned long pfn;
/*
* Adjust the addr
* Adjust the addr.
*/
#ifdef CONFIG_VGA_HOSE
if (pci_vga_hose && __marvel_is_mem_vga(addr)) {
......@@ -638,15 +641,17 @@ marvel_ioremap(unsigned long addr, unsigned long size)
if (!marvel_is_ioaddr(addr)) return 0UL;
/*
* Find the hose
* Find the hose.
*/
for(hose = hose_head; hose; hose = hose->next) {
if ((addr >> 32) == (hose->mem_space->start >> 32)) break;
for (hose = hose_head; hose; hose = hose->next) {
if ((addr >> 32) == (hose->mem_space->start >> 32))
break;
}
if (!hose) return 0UL;
if (!hose)
return 0UL;
/*
* We have the hose - calculate the bus limits
* We have the hose - calculate the bus limits.
*/
baddr = addr - hose->mem_space->start;
last = baddr + size - 1;
......@@ -659,7 +664,7 @@ marvel_ioremap(unsigned long addr, unsigned long size)
return IDENT_ADDR | (baddr - __direct_map_base);
/*
* Check the scatter-gather arena...
* Check the scatter-gather arena.
*/
if (hose->sg_pci &&
baddr >= (unsigned long)hose->sg_pci->dma_base &&
......@@ -674,12 +679,12 @@ marvel_ioremap(unsigned long addr, unsigned long size)
size = PAGE_ALIGN(last) - baddr;
/*
* Map it
* Map it.
*/
area = get_vm_area(size, VM_IOREMAP);
if (!area) return (unsigned long)NULL;
ptes = hose->sg_pci->ptes;
for(vaddr = (unsigned long)area->addr;
for (vaddr = (unsigned long)area->addr;
baddr <= last;
baddr += PAGE_SIZE, vaddr += PAGE_SIZE) {
pfn = ptes[baddr >> PAGE_SHIFT];
......@@ -707,7 +712,7 @@ marvel_ioremap(unsigned long addr, unsigned long size)
}
/*
* Not found - assume legacy ioremap
* Not found - assume legacy ioremap.
*/
return addr;
}
......@@ -717,7 +722,8 @@ marvel_iounmap(unsigned long addr)
{
if (((long)addr >> 41) == -2)
return; /* kseg map, nothing to do */
if (addr) return vfree((void *)(PAGE_MASK & addr));
if (addr)
return vfree((void *)(PAGE_MASK & addr));
}
......@@ -726,17 +732,16 @@ marvel_iounmap(unsigned long addr)
*
* Marvel doesn't have a real serial console -- it's either graphics or
* server management based. If we're running on the server management based
* console, allow the srmcons callback driver to be a console device
* console, allow the srmcons callback driver to be a console device.
*/
int marvel_srmcons_allowed(void)
int
marvel_srmcons_allowed(void)
{
u64 *pu64 = (u64 *)((u64)hwrpb + hwrpb->ctbt_offset);
if (pu64[7] == 2) return 1;
return 0;
return (pu64[7] == 2);
}
/*
* RTC Support
......@@ -747,7 +752,8 @@ struct marvel_rtc_access_info {
unsigned long data;
};
static void __marvel_access_rtc(void *info)
static void
__marvel_access_rtc(void *info)
{
struct marvel_rtc_access_info *rtc_access = info;
......@@ -765,7 +771,8 @@ static void __marvel_access_rtc(void *info)
rtc_access->data = __r0;
}
u8 __marvel_rtc_io(int write, u8 b, unsigned long addr)
u8
__marvel_rtc_io(int write, u8 b, unsigned long addr)
{
struct marvel_rtc_access_info rtc_access = {0, };
static u8 index = 0;
......@@ -807,7 +814,6 @@ u8 __marvel_rtc_io(int write, u8 b, unsigned long addr)
return ret;
}
/*
* NUMA Support
......@@ -817,7 +823,8 @@ u8 __marvel_rtc_io(int write, u8 b, unsigned long addr)
* -- no real support for striped mode
**********
*/
int marvel_pa_to_nid(unsigned long pa)
int
marvel_pa_to_nid(unsigned long pa)
{
int cpuid;
......@@ -829,12 +836,14 @@ int marvel_pa_to_nid(unsigned long pa)
return marvel_cpuid_to_nid(cpuid);
}
int marvel_cpuid_to_nid(int cpuid)
int
marvel_cpuid_to_nid(int cpuid)
{
return cpuid;
}
unsigned long marvel_node_mem_start(int nid)
unsigned long
marvel_node_mem_start(int nid)
{
unsigned long pa;
......@@ -844,14 +853,15 @@ unsigned long marvel_node_mem_start(int nid)
return pa;
}
unsigned long marvel_node_mem_size(int nid)
unsigned long
marvel_node_mem_size(int nid)
{
return 16UL * 1024 * 1024 * 1024; /* 16GB */
}
/*
* AGP GART Support
* AGP GART Support.
*/
#include <linux/agp_backend.h>
#include <asm/agp_backend.h>
......@@ -866,7 +876,8 @@ struct marvel_agp_aperture {
long pg_count;
};
static int marvel_agp_setup(alpha_agp_info *agp)
static int
marvel_agp_setup(alpha_agp_info *agp)
{
struct marvel_agp_aperture *aper;
......@@ -892,7 +903,8 @@ static int marvel_agp_setup(alpha_agp_info *agp)
return 0;
}
static void marvel_agp_cleanup(alpha_agp_info *agp)
static void
marvel_agp_cleanup(alpha_agp_info *agp)
{
struct marvel_agp_aperture *aper = agp->aperture.sysdata;
int status;
......@@ -905,13 +917,15 @@ static void marvel_agp_cleanup(alpha_agp_info *agp)
status = iommu_release(aper->arena, aper->pg_start,
aper->pg_count);
}
if (status < 0) printk(KERN_ERR "Failed to release AGP memory\n");
if (status < 0)
printk(KERN_ERR "Failed to release AGP memory\n");
kfree(aper);
kfree(agp);
}
static int marvel_agp_configure(alpha_agp_info *agp)
static int
marvel_agp_configure(alpha_agp_info *agp)
{
io7_ioport_csrs *csrs = ((struct io7_port *)agp->hose->sysdata)->csrs;
struct io7 *io7 = ((struct io7_port *)agp->hose->sysdata)->io7;
......@@ -920,15 +934,15 @@ static int marvel_agp_configure(alpha_agp_info *agp)
/*
* Check the requested mode against the PLL setting.
* The agpgart_be code has not programmed the card yet, so we can
* still tweak mode here
* The agpgart_be code has not programmed the card yet,
* so we can still tweak mode here.
*/
agp_pll = io7->csrs->POx_RST[IO7_AGP_PORT].csr;
switch(IO7_PLL_RNGB(agp_pll)) {
case 0x4: /* 2x only */
/*
* The PLL is only programmed for 2x, so adjust the
* rate to 2x, if necessary
* rate to 2x, if necessary.
*/
if (agp->mode.bits.rate != 2)
new_rate = 2;
......@@ -937,7 +951,7 @@ static int marvel_agp_configure(alpha_agp_info *agp)
case 0x6: /* 1x / 4x */
/*
* The PLL is programmed for 1x or 4x. Don't go faster
* than requested, so if the requested rate is 2x, use 1x
* than requested, so if the requested rate is 2x, use 1x.
*/
if (agp->mode.bits.rate == 2)
new_rate = 1;
......@@ -946,7 +960,7 @@ static int marvel_agp_configure(alpha_agp_info *agp)
default: /* ??????? */
/*
* Don't know what this PLL setting is, take the requested
* rate, but warn the user
* rate, but warn the user.
*/
printk("%s: unknown PLL setting RNGB=%lx (PLL6_CTL=%016lx)\n",
__FUNCTION__, IO7_PLL_RNGB(agp_pll), agp_pll);
......@@ -954,7 +968,7 @@ static int marvel_agp_configure(alpha_agp_info *agp)
}
/*
* Set the new rate, if necessary
* Set the new rate, if necessary.
*/
if (new_rate) {
printk("Requested AGP Rate %dX not compatible "
......@@ -1030,13 +1044,13 @@ marvel_agp_info(void)
struct io7 *io7;
/*
* Find the first IO7 with an AGP card
* Find the first IO7 with an AGP card.
*
* FIXME -- there should be a better way (we want to be able to
* specify and what if the agp card is not video???)
*/
hose = NULL;
for(io7 = NULL; (io7 = marvel_next_io7(io7)) != NULL; ) {
for (io7 = NULL; (io7 = marvel_next_io7(io7)) != NULL; ) {
struct pci_controller *h;
vuip addr;
......@@ -1054,20 +1068,21 @@ marvel_agp_info(void)
printk("MARVEL - using hose %d as AGP\n", hose->index);
if (!hose || !hose->sg_pci) return NULL;
if (!hose || !hose->sg_pci)
return NULL;
/*
* Get the csrs from the hose
* Get the csrs from the hose.
*/
csrs = ((struct io7_port *)hose->sysdata)->csrs;
/*
* Allocate the info structure
* Allocate the info structure.
*/
agp = kmalloc(sizeof(*agp), GFP_KERNEL);
/*
* Fill it in
* Fill it in.
*/
agp->type = 0 /* FIXME: ALPHA_CORE_AGP */;
agp->hose = hose;
......@@ -1075,14 +1090,14 @@ marvel_agp_info(void)
agp->ops = &marvel_agp_ops;
/*
* Aperture - not configured until ops.setup()
* Aperture - not configured until ops.setup().
*/
agp->aperture.bus_base = 0;
agp->aperture.size = 0;
agp->aperture.sysdata = NULL;
/*
* Capabilities
* Capabilities.
*
* NOTE: IO7 reports through AGP_STAT that it can support a read queue
* depth of 17 (rq = 0x10). It actually only supports a depth of
......@@ -1092,7 +1107,7 @@ marvel_agp_info(void)
agp->capability.bits.rq = 0xf;
/*
* Mode
* Mode.
*/
agp->mode.lw = csrs->AGP_CMD.csr;
......
......@@ -56,20 +56,20 @@ struct
/*
* Routines to access TIG registers.
*/
static volatile unsigned long *
static inline volatile unsigned long *
mk_tig_addr(int offset)
{
return (volatile unsigned long *)(TITAN_TIG_SPACE + (offset << 6));
}
u8
static inline u8
titan_read_tig(int offset, u8 value)
{
volatile unsigned long *tig_addr = mk_tig_addr(offset);
return (u8)(*tig_addr & 0xff);
}
void
static inline void
titan_write_tig(int offset, u8 value)
{
volatile unsigned long *tig_addr = mk_tig_addr(offset);
......@@ -207,7 +207,7 @@ titan_pci_tbi(struct pci_controller *hose, dma_addr_t start, dma_addr_t end)
volatile unsigned long *csr;
unsigned long value;
/* Get the right hose */
/* Get the right hose. */
port = &pachip->g_port;
if (hose->index & 2)
port = &pachip->a_port;
......@@ -242,6 +242,7 @@ titan_query_agp(titan_pachip_port *port)
return pctl.pctl_r_bits.apctl_v_agp_present;
}
static void __init
titan_init_one_pachip_port(titan_pachip_port *port, int index)
{
......@@ -308,7 +309,7 @@ titan_init_one_pachip_port(titan_pachip_port *port, int index)
/*
* Set up the PCI to main memory translation windows.
*
* Note: Window 3 on Titan is Scatter-Gather ONLY
* Note: Window 3 on Titan is Scatter-Gather ONLY.
*
* Window 0 is scatter-gather 8MB at 8MB (for isa)
* Window 1 is direct access 1GB at 2GB
......@@ -338,7 +339,7 @@ titan_init_one_pachip_port(titan_pachip_port *port, int index)
port->pctl.csr |= pctl_m_mwin;
/*
* If it's an AGP port, initialize agplastwr
* If it's an AGP port, initialize agplastwr.
*/
if (titan_query_agp(port))
port->port_specific.a.agplastwr.csr = __direct_map_base;
......@@ -374,7 +375,7 @@ titan_init_vga_hose(void)
* Our hose numbering matches the console's, so just find
* the right one...
*/
for(hose = hose_head; hose; hose = hose->next) {
for (hose = hose_head; hose; hose = hose->next) {
if (hose->index == h) break;
}
......@@ -413,14 +414,14 @@ titan_init_arch(void)
ioport_resource.end = ~0UL;
iomem_resource.end = ~0UL;
/* PCI DMA Direct Mapping is 1GB at 2GB */
/* PCI DMA Direct Mapping is 1GB at 2GB. */
__direct_map_base = 0x80000000;
__direct_map_size = 0x40000000;
/* Init the PA chip(s) */
/* Init the PA chip(s). */
titan_init_pachips(TITAN_pachip0, TITAN_pachip1);
/* Check for graphic console location (if any) */
/* Check for graphic console location (if any). */
titan_init_vga_hose();
}
......@@ -450,8 +451,8 @@ titan_kill_pachips(titan_pachip *pachip0, titan_pachip *pachip1)
int pchip1_present = TITAN_cchip->csc.csr & 1L<<14;
if (pchip1_present) {
titan_kill_one_pachip_port(&pachip0->g_port, 1);
titan_kill_one_pachip_port(&pachip0->a_port, 3);
titan_kill_one_pachip_port(&pachip1->g_port, 1);
titan_kill_one_pachip_port(&pachip1->a_port, 3);
}
titan_kill_one_pachip_port(&pachip0->g_port, 0);
titan_kill_one_pachip_port(&pachip0->a_port, 2);
......@@ -465,7 +466,7 @@ titan_kill_arch(int mode)
/*
* IO map support
* IO map support.
*/
unsigned long
titan_ioremap(unsigned long addr, unsigned long size)
......@@ -480,7 +481,7 @@ titan_ioremap(unsigned long addr, unsigned long size)
unsigned long pfn;
/*
* Adjust the addr
* Adjust the addr.
*/
#ifdef CONFIG_VGA_HOSE
if (pci_vga_hose && __titan_is_mem_vga(addr)) {
......@@ -490,9 +491,9 @@ titan_ioremap(unsigned long addr, unsigned long size)
#endif
/*
* Find the hose
* Find the hose.
*/
for(hose = hose_head; hose; hose = hose->next)
for (hose = hose_head; hose; hose = hose->next)
if (hose->index == h) break;
if (!hose) return (unsigned long)NULL;
......@@ -504,7 +505,7 @@ titan_ioremap(unsigned long addr, unsigned long size)
return addr - __direct_map_base + TITAN_MEM_BIAS;
/*
* Check the scatter-gather arena...
* Check the scatter-gather arena.
*/
if (hose->sg_pci &&
baddr >= (unsigned long)hose->sg_pci->dma_base &&
......@@ -524,7 +525,7 @@ titan_ioremap(unsigned long addr, unsigned long size)
area = get_vm_area(size, VM_IOREMAP);
if (!area) return (unsigned long)NULL;
ptes = hose->sg_pci->ptes;
for(vaddr = (unsigned long)area->addr;
for (vaddr = (unsigned long)area->addr;
baddr <= last;
baddr += PAGE_SIZE, vaddr += PAGE_SIZE) {
pfn = ptes[baddr >> PAGE_SHIFT];
......@@ -551,7 +552,7 @@ titan_ioremap(unsigned long addr, unsigned long size)
}
/*
* Not found - assume legacy ioremap
* Not found - assume legacy ioremap.
*/
return addr + TITAN_MEM_BIAS;
......@@ -562,16 +563,16 @@ titan_iounmap(unsigned long addr)
{
if (((long)addr >> 41) == -2)
return; /* kseg map, nothing to do */
if (addr) return vfree((void *)(PAGE_MASK & addr));
if (addr)
vfree((void *)(PAGE_MASK & addr));
}
EXPORT_SYMBOL(titan_ioremap);
EXPORT_SYMBOL(titan_iounmap);
/*
* AGP GART Support
* AGP GART Support.
*/
#if defined(CONFIG_ALPHA_CORE_AGP)
#include <linux/agp_backend.h>
#include <asm/agp_backend.h>
#include <linux/slab.h>
......@@ -585,12 +586,14 @@ struct titan_agp_aperture {
long pg_count;
};
static int titan_agp_setup(alpha_agp_info *agp)
static int
titan_agp_setup(alpha_agp_info *agp)
{
struct titan_agp_aperture *aper;
aper = kmalloc(sizeof(struct titan_agp_aperture), GFP_KERNEL);
if (aper == NULL) return -ENOMEM;
if (aper == NULL)
return -ENOMEM;
aper->arena = agp->hose->sg_pci;
aper->pg_count = TITAN_AGP_APER_SIZE / PAGE_SIZE;
......@@ -610,7 +613,8 @@ static int titan_agp_setup(alpha_agp_info *agp)
return 0;
}
static void titan_agp_cleanup(alpha_agp_info *agp)
static void
titan_agp_cleanup(alpha_agp_info *agp)
{
struct titan_agp_aperture *aper = agp->aperture.sysdata;
int status;
......@@ -623,13 +627,15 @@ static void titan_agp_cleanup(alpha_agp_info *agp)
status = iommu_release(aper->arena, aper->pg_start,
aper->pg_count);
}
if (status < 0) printk(KERN_ERR "Failed to release AGP memory\n");
if (status < 0)
printk(KERN_ERR "Failed to release AGP memory\n");
kfree(aper);
kfree(agp);
}
static int titan_agp_configure(alpha_agp_info *agp)
static int
titan_agp_configure(alpha_agp_info *agp)
{
union TPAchipPCTL pctl;
titan_pachip_port *port = agp->private;
......@@ -652,19 +658,19 @@ static int titan_agp_configure(alpha_agp_info *agp)
pctl.pctl_r_bits.apctl_v_agp_lp_rd = 7;
/*
* AGP Enable
* AGP Enable.
*/
pctl.pctl_r_bits.apctl_v_agp_en = agp->mode.bits.enable;
/* Tell the user... */
/* Tell the user. */
printk("Enabling AGP: %dX%s\n",
1 << pctl.pctl_r_bits.apctl_v_agp_rate,
pctl.pctl_r_bits.apctl_v_agp_sba_en ? " - SBA" : "");
/* Write it */
/* Write it. */
port->pctl.csr = pctl.pctl_q_whole;
/* And wait at least 5000 66MHz cycles (per Titan spec) */
/* And wait at least 5000 66MHz cycles (per Titan spec). */
udelay(100);
return 0;
......@@ -721,7 +727,6 @@ struct alpha_agp_ops titan_agp_ops =
alpha_agp_info *
titan_agp_info(void)
{
extern struct pci_controller *hose_head;
alpha_agp_info *agp;
struct pci_controller *hose;
titan_pachip_port *port;
......@@ -729,7 +734,7 @@ titan_agp_info(void)
union TPAchipPCTL pctl;
/*
* Find the AGP port
* Find the AGP port.
*/
port = &TITAN_pachip0->a_port;
if (titan_query_agp(port))
......@@ -739,21 +744,22 @@ titan_agp_info(void)
hosenum = 3;
/*
* Find the hose the port is on
* Find the hose the port is on.
*/
for(hose = hose_head; hose; hose = hose->next) {
if (hose->index == hosenum) break;
}
for (hose = hose_head; hose; hose = hose->next)
if (hose->index == hosenum)
break;
if (!hose || !hose->sg_pci) return NULL;
if (!hose || !hose->sg_pci)
return NULL;
/*
* Allocate the info structure
* Allocate the info structure.
*/
agp = kmalloc(sizeof(*agp), GFP_KERNEL);
/*
* Fill it in
* Fill it in.
*/
agp->type = 0 /* FIXME: ALPHA_CORE_AGP */;
agp->hose = hose;
......@@ -761,7 +767,7 @@ titan_agp_info(void)
agp->ops = &titan_agp_ops;
/*
* Aperture - not configured until ops.setup()
* Aperture - not configured until ops.setup().
*
* FIXME - should we go ahead and allocate it here?
*/
......@@ -770,7 +776,7 @@ titan_agp_info(void)
agp->aperture.sysdata = NULL;
/*
* Capabilities
* Capabilities.
*/
agp->capability.lw = 0;
agp->capability.bits.rate = 3; /* 2x, 1x */
......@@ -778,7 +784,7 @@ titan_agp_info(void)
agp->capability.bits.rq = 7; /* 8 - 1 */
/*
* Mode
* Mode.
*/
pctl.pctl_q_whole = port->pctl.csr;
agp->mode.lw = 0;
......@@ -789,4 +795,3 @@ titan_agp_info(void)
return agp;
}
#endif /* CONFIG_ALPHA_CORE_AGP */
......@@ -357,7 +357,6 @@ void __init
tsunami_init_arch(void)
{
#ifdef NXM_MACHINE_CHECKS_ON_TSUNAMI
extern asmlinkage void entInt(void);
unsigned long tmp;
/* Ho hum.. init_arch is called before init_IRQ, but we need to be
......
......@@ -18,8 +18,6 @@
#include "err_impl.h"
#include "proto.h"
#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_MARVEL)
void
marvel_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
......@@ -32,9 +30,7 @@ marvel_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
mb();
draina();
srm_printk("MARVEL MACHINE CHECK!!!\n"); /* HACK */
el_process_subpacket(el_ptr);
srm_printk("...PROCESSED\n"); /* HACK */
switch(vector) {
case SCB_Q_SYSEVENT:
......@@ -44,13 +40,12 @@ srm_printk("...PROCESSED\n"); /* HACK */
case SCB_Q_SYSERR:
printk(KERN_CRIT "MARVEL SYSMCHK/ERR %ld\n", vector);
break;
default: /* don't know it - pass it up */
default:
/* Don't know it - pass it up. */
return ev7_machine_check(vector, la_ptr, regs);
}
/*
* Release the logout frame
*/
/* Release the logout frame. */
wrmces(0x7);
mb();
}
......@@ -60,4 +55,3 @@ marvel_register_error_handlers(void)
{
ev7_register_error_handlers();
}
#endif /* CONFIG_ALPHA_GENERIC || CONFIG_ALPHA_MARVEL */
......@@ -18,12 +18,6 @@
#include "err_impl.h"
#include "proto.h"
/*
* Titan generic
*/
#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_TITAN)
static int
titan_parse_c_misc(u64 c_misc, int print)
......@@ -565,25 +559,19 @@ static struct el_subpacket_handler titan_subpacket_handler =
void
titan_register_error_handlers(void)
{
int i;
size_t i;
for(i = 0;
i < sizeof(el_titan_annotations)/sizeof(el_titan_annotations[1]);
i++) {
for (i = 0; i < ARRAY_SIZE (el_titan_annotations); i++)
cdl_register_subpacket_annotation(&el_titan_annotations[i]);
}
cdl_register_subpacket_handler(&titan_subpacket_handler);
}
#endif /* CONFIG_ALPHA_GENERIC || CONFIG_ALPHA_TITAN */
/*
* Privateer
*/
#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_TITAN)
static int
privateer_process_680_frame(struct el_common *mchk_header, int print)
{
......@@ -717,13 +705,13 @@ privateer_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
#define PRIVATEER_HOTPLUG_INTERRUPT_MASK (0xE00UL)
/*
* Sync the processor
* Sync the processor.
*/
mb();
draina();
/*
* Only handle system events here
* Only handle system events here.
*/
if (vector != SCB_Q_SYSEVENT)
return titan_machine_check(vector, la_ptr, regs);
......@@ -742,23 +730,18 @@ privateer_machine_check(u64 vector, u64 la_ptr, struct pt_regs *regs)
/*
* Convert any pending interrupts which report as 680 machine
* checks to interrupts
* checks to interrupts.
*/
irqmask = tmchk->c_dirx & PRIVATEER_680_INTERRUPT_MASK;
/*
* Dispatch the interrupt(s)
* Dispatch the interrupt(s).
*/
titan_dispatch_irqs(irqmask, regs);
/*
* Release the logout frame
* Release the logout frame.
*/
wrmces(0x7);
mb();
}
#endif /* CONFIG_ALPHA_GENERIC || CONFIG_ALPHA_TITAN */
/*
* linux/arch/alpha/kernel/gct.c
*/
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/types.h>
......@@ -12,32 +16,33 @@ gct6_find_nodes(gct6_node *node, gct6_search_struct *search)
gct6_search_struct *wanted;
int status = 0;
/* first check the magic number */
/* First check the magic number. */
if (node->magic != GCT_NODE_MAGIC) {
printk(KERN_ERR "GCT Node MAGIC incorrect - GCT invalid\n");
return -EINVAL;
}
/* check against the search struct */
for(wanted = search;
/* Check against the search struct. */
for (wanted = search;
wanted && (wanted->type | wanted->subtype);
wanted++) {
if (node->type != wanted->type) continue;
if (node->subtype != wanted->subtype) continue;
/* found it -- call out */
if (wanted->callout) wanted->callout(node);
if (node->type != wanted->type)
continue;
if (node->subtype != wanted->subtype)
continue;
/* Found it -- call out. */
if (wanted->callout)
wanted->callout(node);
}
/* now walk the tree, siblings first.. */
/* Now walk the tree, siblings first. */
if (node->next)
status |= gct6_find_nodes(GCT_NODE_PTR(node->next), search);
/* then the children */
/* Then the children. */
if (node->child)
status |= gct6_find_nodes(GCT_NODE_PTR(node->child), search);
return status;
}
......@@ -825,7 +825,7 @@ extern struct timezone sys_tz;
extern int do_sys_settimeofday(struct timeval *tv, struct timezone *tz);
extern int do_getitimer(int which, struct itimerval *value);
extern int do_setitimer(int which, struct itimerval *, struct itimerval *);
asmlinkage int sys_utimes(char *, struct timeval *);
extern asmlinkage int sys_utimes(char *, struct timeval *);
extern int do_adjtimex(struct timex *);
struct timeval32
......
......@@ -150,6 +150,9 @@ struct pci_iommu_arena
extern struct pci_controller *hose_head, **hose_tail;
extern struct pci_controller *pci_isa_hose;
/* Indicate that we trust the console to configure things properly. */
extern int pci_probe_only;
extern void common_init_pci(void);
extern u8 common_swizzle(struct pci_dev *, u8 *);
extern struct pci_controller *alloc_pci_controller(void);
......
#include <linux/config.h>
/* Prototypes of functions used across modules here in this directory. */
#define vucp volatile unsigned char *
......@@ -52,6 +54,10 @@ extern int marvel_cpuid_to_nid(int);
extern unsigned long marvel_node_mem_start(int);
extern unsigned long marvel_node_mem_size(int);
extern int marvel_srmcons_allowed(void);
extern struct _alpha_agp_info *marvel_agp_info(void);
struct io7 *marvel_find_io7(int pe);
struct io7 *marvel_next_io7(struct io7 *prev);
void io7_clear_errors(struct io7 *io7);
/* core_mcpcia.c */
extern struct pci_ops mcpcia_pci_ops;
......@@ -80,6 +86,7 @@ extern void titan_init_arch(void);
extern void titan_kill_arch(int);
extern void titan_machine_check(u64, u64, struct pt_regs *);
extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
extern struct _alpha_agp_info *titan_agp_info(void);
/* core_tsunami.c */
extern struct pci_ops tsunami_pci_ops;
......@@ -161,6 +168,9 @@ extern int ptrace_cancel_bpt (struct task_struct *child);
extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
/* sys_titan.c */
extern void titan_dispatch_irqs(u64, struct pt_regs *);
/* ../mm/init.c */
extern void switch_to_system_map(void);
extern void srm_paging_stop(void);
......
......@@ -290,7 +290,7 @@ setup_memory(void *kernel_end)
(hwrpb->mddt_offset + (unsigned long) hwrpb);
for_each_mem_cluster(memdesc, cluster, i) {
printk("memcluster %d, usage %01lx, start %8lu, end %8lu\n",
printk("memcluster %lu, usage %01lx, start %8lu, end %8lu\n",
i, cluster->usage, cluster->start_pfn,
cluster->start_pfn + cluster->numpages);
......
......@@ -83,7 +83,6 @@ cycles_t cacheflush_time;
unsigned long cache_decay_ticks;
extern void calibrate_delay(void);
extern asmlinkage void entInt(void);
......
/*
* linux/arch/alpha/kernel/sys_io7.c
* linux/arch/alpha/kernel/sys_marvel.c
*
* Marvel / IO7 support
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/mm.h>
......@@ -30,15 +31,7 @@
/*
* private functions in core_marvel.c
*/
struct io7 *marvel_find_io7(int pe);
struct io7 *marvel_next_io7(struct io7 *prev);
void io7_clear_errors(struct io7 *io7);
/*
* Interrupt handling
* Interrupt handling.
*/
#define IRQ_VEC_PE_SHIFT (10)
#define IRQ_VEC_IRQ_MASK ((1 << IRQ_VEC_PE_SHIFT) - 1)
......@@ -161,12 +154,14 @@ io7_end_irq(unsigned int irq)
io7_enable_irq(irq);
}
static void marvel_irq_noop(unsigned int irq)
static void
marvel_irq_noop(unsigned int irq)
{
return;
}
static unsigned int marvel_irq_noop_return(unsigned int irq)
static unsigned int
marvel_irq_noop_return(unsigned int irq)
{
return 0;
}
......@@ -291,7 +286,7 @@ init_io7_irqs(struct io7 *io7,
* traverse the mesh, but if it's not an SMP kernel, they have to
* go to the boot CPU. Send them all to the boot CPU for now,
* as each secondary starts, it can redirect it's local device
* interrupts
* interrupts.
*/
printk(" Interrupts reported to CPU at PE %u\n", boot_cpuid);
......@@ -304,27 +299,27 @@ init_io7_irqs(struct io7 *io7,
io7_redirect_irq(io7, &io7->csrs->STV_CTL.csr, boot_cpuid);
io7_redirect_irq(io7, &io7->csrs->HEI_CTL.csr, boot_cpuid);
/* set up the lsi irqs */
for(i = 0; i < 128; ++i) {
/* Set up the lsi irqs. */
for (i = 0; i < 128; ++i) {
irq_desc[base + i].status = IRQ_DISABLED | IRQ_LEVEL;
irq_desc[base + i].handler = lsi_ops;
}
/* disable the implemented irqs in hardware */
for(i = 0; i < 0x60; ++i)
/* Disable the implemented irqs in hardware. */
for (i = 0; i < 0x60; ++i)
init_one_io7_lsi(io7, i, boot_cpuid);
init_one_io7_lsi(io7, 0x74, boot_cpuid);
init_one_io7_lsi(io7, 0x75, boot_cpuid);
/* set up the msi irqs */
for(i = 128; i < (128 + 512); ++i) {
/* Set up the msi irqs. */
for (i = 128; i < (128 + 512); ++i) {
irq_desc[base + i].status = IRQ_DISABLED | IRQ_LEVEL;
irq_desc[base + i].handler = msi_ops;
}
for(i = 0; i < 16; ++i)
for (i = 0; i < 16; ++i)
init_one_io7_msi(io7, i, boot_cpuid);
spin_unlock(&io7->irq_lock);
......@@ -336,16 +331,15 @@ marvel_init_irq(void)
int i;
struct io7 *io7 = NULL;
/* reserve the legacy irqs */
for(i = 0; i < 16; ++i) {
/* Reserve the legacy irqs. */
for (i = 0; i < 16; ++i) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].handler = &marvel_legacy_irq_type;
}
/* init the io7 irqs */
for(io7 = NULL; (io7 = marvel_next_io7(io7)) != NULL; ) {
/* Init the io7 irqs. */
for (io7 = NULL; (io7 = marvel_next_io7(io7)) != NULL; )
init_io7_irqs(io7, &io7_lsi_irq_type, &io7_msi_irq_type);
}
}
static int
......@@ -401,7 +395,6 @@ marvel_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
printk(" forcing LSI interrupt on irq %d [0x%x]\n", irq, irq);
#endif
}
irq += 16; /* offset for legacy */
......@@ -413,7 +406,6 @@ marvel_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
static void __init
marvel_init_pci(void)
{
extern int pci_probe_only;
struct io7 *io7;
marvel_register_error_handlers();
......@@ -425,8 +417,8 @@ marvel_init_pci(void)
locate_and_init_vga(NULL);
#endif
/* clear any io7 errors */
for(io7 = NULL; (io7 = marvel_next_io7(io7)) != NULL; )
/* Clear any io7 errors. */
for (io7 = NULL; (io7 = marvel_next_io7(io7)) != NULL; )
io7_clear_errors(io7);
}
......@@ -443,37 +435,36 @@ marvel_smp_callin(void)
struct io7 *io7 = marvel_find_io7(cpuid);
unsigned int i;
if (io7) {
if (!io7)
return;
/*
* There is a local IO7 - redirect all of it's interrupts here
* There is a local IO7 - redirect all of it's interrupts here.
*/
printk("Redirecting IO7 interrupts to local CPU at PE %u\n",
cpuid);
printk("Redirecting IO7 interrupts to local CPU at PE %u\n", cpuid);
/* redirect the error IRQS here */
/* Redirect the error IRQS here. */
io7_redirect_irq(io7, &io7->csrs->HLT_CTL.csr, cpuid);
io7_redirect_irq(io7, &io7->csrs->HPI_CTL.csr, cpuid);
io7_redirect_irq(io7, &io7->csrs->CRD_CTL.csr, cpuid);
io7_redirect_irq(io7, &io7->csrs->STV_CTL.csr, cpuid);
io7_redirect_irq(io7, &io7->csrs->HEI_CTL.csr, cpuid);
/* redirect the implemented LSIs here */
for(i = 0; i < 0x60; ++i)
/* Redirect the implemented LSIs here. */
for (i = 0; i < 0x60; ++i)
io7_redirect_one_lsi(io7, i, cpuid);
io7_redirect_one_lsi(io7, 0x74, cpuid);
io7_redirect_one_lsi(io7, 0x75, cpuid);
/* redirect the MSIs here */
for(i = 0; i < 16; ++i)
/* Redirect the MSIs here. */
for (i = 0; i < 16; ++i)
io7_redirect_one_msi(io7, i, cpuid);
}
}
/*
* System Vectors
*/
extern void *marvel_agp_info(void);
struct alpha_machine_vector marvel_ev7_mv __initmv = {
.vector_name = "MARVEL/EV7",
DO_EV7_MMU,
......@@ -506,5 +497,3 @@ struct alpha_machine_vector marvel_ev7_mv __initmv = {
.node_mem_size = marvel_node_mem_size,
};
ALIAS_MV(marvel_ev7)
......@@ -187,7 +187,7 @@ static void __init
init_titan_irqs(struct hw_interrupt_type * ops, int imin, int imax)
{
long i;
for(i = imin; i <= imax; ++i) {
for (i = imin; i <= imax; ++i) {
irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
irq_desc[i].handler = ops;
}
......@@ -255,7 +255,7 @@ titan_dispatch_irqs(u64 mask, struct pt_regs *regs)
/*
* Dispatch all requested interrupts
*/
while(mask) {
while (mask) {
/* convert to SRM vector... priority is <63> -> <0> */
__asm__("ctlz %1, %0" : "=r"(vector) : "r"(mask));
vector = 63 - vector;
......@@ -291,12 +291,12 @@ titan_late_init(void)
"PChip 1 C_Error", NULL);
/*
* Register our error handlers
* Register our error handlers.
*/
titan_register_error_handlers();
/*
* Check if the console left us any error logs
* Check if the console left us any error logs.
*/
cdl_check_console_data_log();
......@@ -308,23 +308,21 @@ titan_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
u8 intline;
int irq;
/* get the current intline */
/* Get the current intline. */
pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &intline);
irq = intline;
/* is it explicitly routed through ISA? */
/* Is it explicitly routed through ISA? */
if ((irq & 0xF0) == 0xE0)
return irq;
/* offset by 16 to make room for ISA interrupts 0 - 15 */
/* Offset by 16 to make room for ISA interrupts 0 - 15. */
return irq + 16;
}
static void __init
titan_init_pci(void)
{
extern int pci_probe_only;
/*
* This isn't really the right place, but there's some init
* that needs to be done after everything is basically up.
......@@ -348,7 +346,7 @@ privateer_init_pci(void)
{
/*
* Hook a couple of extra err interrupts that the
* common titan code won't
* common titan code won't.
*/
request_irq(53+16, titan_intr_nop, SA_INTERRUPT,
"NMI", NULL);
......@@ -356,20 +354,15 @@ privateer_init_pci(void)
"Temperature Warning", NULL);
/*
* Finish with the common version
* Finish with the common version.
*/
return titan_init_pci();
}
/*
* The System Vectors
* The System Vectors.
*/
#if defined(CONFIG_ALPHA_CORE_AGP)
extern void *titan_agp_info(void);
#endif
struct alpha_machine_vector titan_mv __initmv = {
.vector_name = "TITAN",
DO_EV6_MMU,
......@@ -385,9 +378,7 @@ struct alpha_machine_vector titan_mv __initmv = {
.nr_irqs = 80, /* 64 + 16 */
/* device_interrupt will be filled in by titan_init_irq */
#if defined(CONFIG_ALPHA_CORE_AGP)
.agp_info = titan_agp_info,
#endif
.init_arch = titan_init_arch,
.init_irq = titan_legacy_init_irq,
......@@ -415,9 +406,7 @@ struct alpha_machine_vector privateer_mv __initmv = {
.nr_irqs = 80, /* 64 + 16 */
/* device_interrupt will be filled in by titan_init_irq */
#if defined(CONFIG_ALPHA_CORE_AGP)
.agp_info = titan_agp_info,
#endif
.init_arch = titan_init_arch,
.init_irq = titan_legacy_init_irq,
......@@ -430,4 +419,3 @@ struct alpha_machine_vector privateer_mv __initmv = {
};
/* No alpha_mv alias for privateer since we compile it
in unconditionally with titan; setup_arch knows how to cope. */
......@@ -118,7 +118,7 @@ dik_show_trace(unsigned long *sp)
long i = 0;
printk("Trace:");
while (0x1ff8 & (unsigned long) sp) {
extern unsigned long _stext, _etext;
extern char _stext[], _etext[];
unsigned long tmp = *sp;
sp++;
if (tmp < (unsigned long) &_stext)
......
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