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-rw-r--r--arch/sparc/include/asm/oplib_64.h27
-rw-r--r--arch/sparc/prom/cif.S16
-rw-r--r--arch/sparc/prom/console_64.c48
-rw-r--r--arch/sparc/prom/devops_64.c36
-rw-r--r--arch/sparc/prom/misc_64.c314
-rw-r--r--arch/sparc/prom/p1275.c102
-rw-r--r--arch/sparc/prom/tree_64.c210
7 files changed, 456 insertions, 297 deletions
diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h
index a5db0317b5fb..3e0b2d62303d 100644
--- a/arch/sparc/include/asm/oplib_64.h
+++ b/arch/sparc/include/asm/oplib_64.h
@@ -185,9 +185,8 @@ extern int prom_getunumber(int syndrome_code,
char *buf, int buflen);
/* Retain physical memory to the caller across soft resets. */
-extern unsigned long prom_retain(const char *name,
- unsigned long pa_low, unsigned long pa_high,
- long size, long align);
+extern int prom_retain(const char *name, unsigned long size,
+ unsigned long align, unsigned long *paddr);
/* Load explicit I/D TLB entries into the calling processor. */
extern long prom_itlb_load(unsigned long index,
@@ -287,26 +286,6 @@ extern void prom_sun4v_guest_soft_state(void);
extern int prom_ihandle2path(int handle, char *buffer, int bufsize);
/* Client interface level routines. */
-extern long p1275_cmd(const char *, long, ...);
-
-#if 0
-#define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x))
-#else
-#define P1275_SIZE(x) x
-#endif
-
-/* We support at most 16 input and 1 output argument */
-#define P1275_ARG_NUMBER 0
-#define P1275_ARG_IN_STRING 1
-#define P1275_ARG_OUT_BUF 2
-#define P1275_ARG_OUT_32B 3
-#define P1275_ARG_IN_FUNCTION 4
-#define P1275_ARG_IN_BUF 5
-#define P1275_ARG_IN_64B 6
-
-#define P1275_IN(x) ((x) & 0xf)
-#define P1275_OUT(x) (((x) << 4) & 0xf0)
-#define P1275_INOUT(i,o) (P1275_IN(i)|P1275_OUT(o))
-#define P1275_ARG(n,x) ((x) << ((n)*3 + 8))
+extern void p1275_cmd_direct(unsigned long *);
#endif /* !(__SPARC64_OPLIB_H) */
diff --git a/arch/sparc/prom/cif.S b/arch/sparc/prom/cif.S
index 5f27ad779c0c..9c86b4b7d429 100644
--- a/arch/sparc/prom/cif.S
+++ b/arch/sparc/prom/cif.S
@@ -9,18 +9,18 @@
#include <asm/thread_info.h>
.text
- .globl prom_cif_interface
-prom_cif_interface:
- sethi %hi(p1275buf), %o0
- or %o0, %lo(p1275buf), %o0
- ldx [%o0 + 0x010], %o1 ! prom_cif_stack
- save %o1, -192, %sp
- ldx [%i0 + 0x008], %l2 ! prom_cif_handler
+ .globl prom_cif_direct
+prom_cif_direct:
+ sethi %hi(p1275buf), %o1
+ or %o1, %lo(p1275buf), %o1
+ ldx [%o1 + 0x0010], %o2 ! prom_cif_stack
+ save %o2, -192, %sp
+ ldx [%i1 + 0x0008], %l2 ! prom_cif_handler
mov %g4, %l0
mov %g5, %l1
mov %g6, %l3
call %l2
- add %i0, 0x018, %o0 ! prom_args
+ mov %i0, %o0 ! prom_args
mov %l0, %g4
mov %l1, %g5
mov %l3, %g6
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c
index f55d58a8a156..10322dc2f557 100644
--- a/arch/sparc/prom/console_64.c
+++ b/arch/sparc/prom/console_64.c
@@ -21,14 +21,22 @@ extern int prom_stdin, prom_stdout;
inline int
prom_nbgetchar(void)
{
+ unsigned long args[7];
char inc;
- if (p1275_cmd("read", P1275_ARG(1,P1275_ARG_OUT_BUF)|
- P1275_INOUT(3,1),
- prom_stdin, &inc, P1275_SIZE(1)) == 1)
+ args[0] = (unsigned long) "read";
+ args[1] = 3;
+ args[2] = 1;
+ args[3] = (unsigned int) prom_stdin;
+ args[4] = (unsigned long) &inc;
+ args[5] = 1;
+ args[6] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ if (args[6] == 1)
return inc;
- else
- return -1;
+ return -1;
}
/* Non blocking put character to console device, returns -1 if
@@ -37,12 +45,22 @@ prom_nbgetchar(void)
inline int
prom_nbputchar(char c)
{
+ unsigned long args[7];
char outc;
outc = c;
- if (p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)|
- P1275_INOUT(3,1),
- prom_stdout, &outc, P1275_SIZE(1)) == 1)
+
+ args[0] = (unsigned long) "write";
+ args[1] = 3;
+ args[2] = 1;
+ args[3] = (unsigned int) prom_stdout;
+ args[4] = (unsigned long) &outc;
+ args[5] = 1;
+ args[6] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ if (args[6] == 1)
return 0;
else
return -1;
@@ -67,7 +85,15 @@ prom_putchar(char c)
void
prom_puts(const char *s, int len)
{
- p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)|
- P1275_INOUT(3,1),
- prom_stdout, s, P1275_SIZE(len));
+ unsigned long args[7];
+
+ args[0] = (unsigned long) "write";
+ args[1] = 3;
+ args[2] = 1;
+ args[3] = (unsigned int) prom_stdout;
+ args[4] = (unsigned long) s;
+ args[5] = len;
+ args[6] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
}
diff --git a/arch/sparc/prom/devops_64.c b/arch/sparc/prom/devops_64.c
index 9dbd803e46e1..a017119e7ef1 100644
--- a/arch/sparc/prom/devops_64.c
+++ b/arch/sparc/prom/devops_64.c
@@ -18,16 +18,32 @@
int
prom_devopen(const char *dstr)
{
- return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)|
- P1275_INOUT(1,1),
- dstr);
+ unsigned long args[5];
+
+ args[0] = (unsigned long) "open";
+ args[1] = 1;
+ args[2] = 1;
+ args[3] = (unsigned long) dstr;
+ args[4] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[4];
}
/* Close the device described by device handle 'dhandle'. */
int
prom_devclose(int dhandle)
{
- p1275_cmd ("close", P1275_INOUT(1,0), dhandle);
+ unsigned long args[4];
+
+ args[0] = (unsigned long) "close";
+ args[1] = 1;
+ args[2] = 0;
+ args[3] = (unsigned int) dhandle;
+
+ p1275_cmd_direct(args);
+
return 0;
}
@@ -37,5 +53,15 @@ prom_devclose(int dhandle)
void
prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
{
- p1275_cmd ("seek", P1275_INOUT(3,1), dhandle, seekhi, seeklo);
+ unsigned long args[7];
+
+ args[0] = (unsigned long) "seek";
+ args[1] = 3;
+ args[2] = 1;
+ args[3] = (unsigned int) dhandle;
+ args[4] = seekhi;
+ args[5] = seeklo;
+ args[6] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
}
diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c
index 39fc6af21b7c..6cb1581d6aef 100644
--- a/arch/sparc/prom/misc_64.c
+++ b/arch/sparc/prom/misc_64.c
@@ -20,10 +20,17 @@
int prom_service_exists(const char *service_name)
{
- int err = p1275_cmd("test", P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_INOUT(1, 1), service_name);
+ unsigned long args[5];
- if (err)
+ args[0] = (unsigned long) "test";
+ args[1] = 1;
+ args[2] = 1;
+ args[3] = (unsigned long) service_name;
+ args[4] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ if (args[4])
return 0;
return 1;
}
@@ -31,30 +38,47 @@ int prom_service_exists(const char *service_name)
void prom_sun4v_guest_soft_state(void)
{
const char *svc = "SUNW,soft-state-supported";
+ unsigned long args[3];
if (!prom_service_exists(svc))
return;
- p1275_cmd(svc, P1275_INOUT(0, 0));
+ args[0] = (unsigned long) svc;
+ args[1] = 0;
+ args[2] = 0;
+ p1275_cmd_direct(args);
}
/* Reset and reboot the machine with the command 'bcommand'. */
void prom_reboot(const char *bcommand)
{
+ unsigned long args[4];
+
#ifdef CONFIG_SUN_LDOMS
if (ldom_domaining_enabled)
ldom_reboot(bcommand);
#endif
- p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_INOUT(1, 0), bcommand);
+ args[0] = (unsigned long) "boot";
+ args[1] = 1;
+ args[2] = 0;
+ args[3] = (unsigned long) bcommand;
+
+ p1275_cmd_direct(args);
}
/* Forth evaluate the expression contained in 'fstring'. */
void prom_feval(const char *fstring)
{
+ unsigned long args[5];
+
if (!fstring || fstring[0] == 0)
return;
- p1275_cmd("interpret", P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_INOUT(1, 1), fstring);
+ args[0] = (unsigned long) "interpret";
+ args[1] = 1;
+ args[2] = 1;
+ args[3] = (unsigned long) fstring;
+ args[4] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
}
EXPORT_SYMBOL(prom_feval);
@@ -68,6 +92,7 @@ extern void smp_release(void);
*/
void prom_cmdline(void)
{
+ unsigned long args[3];
unsigned long flags;
local_irq_save(flags);
@@ -76,7 +101,11 @@ void prom_cmdline(void)
smp_capture();
#endif
- p1275_cmd("enter", P1275_INOUT(0, 0));
+ args[0] = (unsigned long) "enter";
+ args[1] = 0;
+ args[2] = 0;
+
+ p1275_cmd_direct(args);
#ifdef CONFIG_SMP
smp_release();
@@ -90,22 +119,32 @@ void prom_cmdline(void)
*/
void notrace prom_halt(void)
{
+ unsigned long args[3];
+
#ifdef CONFIG_SUN_LDOMS
if (ldom_domaining_enabled)
ldom_power_off();
#endif
again:
- p1275_cmd("exit", P1275_INOUT(0, 0));
+ args[0] = (unsigned long) "exit";
+ args[1] = 0;
+ args[2] = 0;
+ p1275_cmd_direct(args);
goto again; /* PROM is out to get me -DaveM */
}
void prom_halt_power_off(void)
{
+ unsigned long args[3];
+
#ifdef CONFIG_SUN_LDOMS
if (ldom_domaining_enabled)
ldom_power_off();
#endif
- p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0));
+ args[0] = (unsigned long) "SUNW,power-off";
+ args[1] = 0;
+ args[2] = 0;
+ p1275_cmd_direct(args);
/* if nothing else helps, we just halt */
prom_halt();
@@ -114,10 +153,15 @@ void prom_halt_power_off(void)
/* Set prom sync handler to call function 'funcp'. */
void prom_setcallback(callback_func_t funcp)
{
+ unsigned long args[5];
if (!funcp)
return;
- p1275_cmd("set-callback", P1275_ARG(0, P1275_ARG_IN_FUNCTION) |
- P1275_INOUT(1, 1), funcp);
+ args[0] = (unsigned long) "set-callback";
+ args[1] = 1;
+ args[2] = 1;
+ args[3] = (unsigned long) funcp;
+ args[4] = (unsigned long) -1;
+ p1275_cmd_direct(args);
}
/* Get the idprom and stuff it into buffer 'idbuf'. Returns the
@@ -173,57 +217,61 @@ static int prom_get_memory_ihandle(void)
}
/* Load explicit I/D TLB entries. */
+static long tlb_load(const char *type, unsigned long index,
+ unsigned long tte_data, unsigned long vaddr)
+{
+ unsigned long args[9];
+
+ args[0] = (unsigned long) prom_callmethod_name;
+ args[1] = 5;
+ args[2] = 1;
+ args[3] = (unsigned long) type;
+ args[4] = (unsigned int) prom_get_mmu_ihandle();
+ args[5] = vaddr;
+ args[6] = tte_data;
+ args[7] = index;
+ args[8] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (long) args[8];
+}
+
long prom_itlb_load(unsigned long index,
unsigned long tte_data,
unsigned long vaddr)
{
- return p1275_cmd(prom_callmethod_name,
- (P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_ARG(2, P1275_ARG_IN_64B) |
- P1275_ARG(3, P1275_ARG_IN_64B) |
- P1275_INOUT(5, 1)),
- "SUNW,itlb-load",
- prom_get_mmu_ihandle(),
- /* And then our actual args are pushed backwards. */
- vaddr,
- tte_data,
- index);
+ return tlb_load("SUNW,itlb-load", index, tte_data, vaddr);
}
long prom_dtlb_load(unsigned long index,
unsigned long tte_data,
unsigned long vaddr)
{
- return p1275_cmd(prom_callmethod_name,
- (P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_ARG(2, P1275_ARG_IN_64B) |
- P1275_ARG(3, P1275_ARG_IN_64B) |
- P1275_INOUT(5, 1)),
- "SUNW,dtlb-load",
- prom_get_mmu_ihandle(),
- /* And then our actual args are pushed backwards. */
- vaddr,
- tte_data,
- index);
+ return tlb_load("SUNW,dtlb-load", index, tte_data, vaddr);
}
int prom_map(int mode, unsigned long size,
unsigned long vaddr, unsigned long paddr)
{
- int ret = p1275_cmd(prom_callmethod_name,
- (P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_ARG(3, P1275_ARG_IN_64B) |
- P1275_ARG(4, P1275_ARG_IN_64B) |
- P1275_ARG(6, P1275_ARG_IN_64B) |
- P1275_INOUT(7, 1)),
- prom_map_name,
- prom_get_mmu_ihandle(),
- mode,
- size,
- vaddr,
- 0,
- paddr);
-
+ unsigned long args[11];
+ int ret;
+
+ args[0] = (unsigned long) prom_callmethod_name;
+ args[1] = 7;
+ args[2] = 1;
+ args[3] = (unsigned long) prom_map_name;
+ args[4] = (unsigned int) prom_get_mmu_ihandle();
+ args[5] = (unsigned int) mode;
+ args[6] = size;
+ args[7] = vaddr;
+ args[8] = 0;
+ args[9] = paddr;
+ args[10] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ ret = (int) args[10];
if (ret == 0)
ret = -1;
return ret;
@@ -231,40 +279,51 @@ int prom_map(int mode, unsigned long size,
void prom_unmap(unsigned long size, unsigned long vaddr)
{
- p1275_cmd(prom_callmethod_name,
- (P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_ARG(2, P1275_ARG_IN_64B) |
- P1275_ARG(3, P1275_ARG_IN_64B) |
- P1275_INOUT(4, 0)),
- prom_unmap_name,
- prom_get_mmu_ihandle(),
- size,
- vaddr);
+ unsigned long args[7];
+
+ args[0] = (unsigned long) prom_callmethod_name;
+ args[1] = 4;
+ args[2] = 0;
+ args[3] = (unsigned long) prom_unmap_name;
+ args[4] = (unsigned int) prom_get_mmu_ihandle();
+ args[5] = size;
+ args[6] = vaddr;
+
+ p1275_cmd_direct(args);
}
/* Set aside physical memory which is not touched or modified
* across soft resets.
*/
-unsigned long prom_retain(const char *name,
- unsigned long pa_low, unsigned long pa_high,
- long size, long align)
+int prom_retain(const char *name, unsigned long size,
+ unsigned long align, unsigned long *paddr)
{
- /* XXX I don't think we return multiple values correctly.
- * XXX OBP supposedly returns pa_low/pa_high here, how does
- * XXX it work?
+ unsigned long args[11];
+
+ args[0] = (unsigned long) prom_callmethod_name;
+ args[1] = 5;
+ args[2] = 3;
+ args[3] = (unsigned long) "SUNW,retain";
+ args[4] = (unsigned int) prom_get_memory_ihandle();
+ args[5] = align;
+ args[6] = size;
+ args[7] = (unsigned long) name;
+ args[8] = (unsigned long) -1;
+ args[9] = (unsigned long) -1;
+ args[10] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ if (args[8])
+ return (int) args[8];
+
+ /* Next we get "phys_high" then "phys_low". On 64-bit
+ * the phys_high cell is don't care since the phys_low
+ * cell has the full value.
*/
+ *paddr = args[10];
- /* If align is zero, the pa_low/pa_high args are passed,
- * else they are not.
- */
- if (align == 0)
- return p1275_cmd("SUNW,retain",
- (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(5, 2)),
- name, pa_low, pa_high, size, align);
- else
- return p1275_cmd("SUNW,retain",
- (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(3, 2)),
- name, size, align);
+ return 0;
}
/* Get "Unumber" string for the SIMM at the given
@@ -277,62 +336,129 @@ int prom_getunumber(int syndrome_code,
unsigned long phys_addr,
char *buf, int buflen)
{
- return p1275_cmd(prom_callmethod_name,
- (P1275_ARG(0, P1275_ARG_IN_STRING) |
- P1275_ARG(3, P1275_ARG_OUT_BUF) |
- P1275_ARG(6, P1275_ARG_IN_64B) |
- P1275_INOUT(8, 2)),
- "SUNW,get-unumber", prom_get_memory_ihandle(),
- buflen, buf, P1275_SIZE(buflen),
- 0, phys_addr, syndrome_code);
+ unsigned long args[12];
+
+ args[0] = (unsigned long) prom_callmethod_name;
+ args[1] = 7;
+ args[2] = 2;
+ args[3] = (unsigned long) "SUNW,get-unumber";
+ args[4] = (unsigned int) prom_get_memory_ihandle();
+ args[5] = buflen;
+ args[6] = (unsigned long) buf;
+ args[7] = 0;
+ args[8] = phys_addr;
+ args[9] = (unsigned int) syndrome_code;
+ args[10] = (unsigned long) -1;
+ args[11] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[10];
}
/* Power management extensions. */
void prom_sleepself(void)
{
- p1275_cmd("SUNW,sleep-self", P1275_INOUT(0, 0));
+ unsigned long args[3];
+
+ args[0] = (unsigned long) "SUNW,sleep-self";
+ args[1] = 0;
+ args[2] = 0;
+ p1275_cmd_direct(args);
}
int prom_sleepsystem(void)
{
- return p1275_cmd("SUNW,sleep-system", P1275_INOUT(0, 1));
+ unsigned long args[4];
+
+ args[0] = (unsigned long) "SUNW,sleep-system";
+ args[1] = 0;
+ args[2] = 1;
+ args[3] = (unsigned long) -1;
+ p1275_cmd_direct(args);
+
+ return (int) args[3];
}
int prom_wakeupsystem(void)
{
- return p1275_cmd("SUNW,wakeup-system", P1275_INOUT(0, 1));
+ unsigned long args[4];
+
+ args[0] = (unsigned long) "SUNW,wakeup-system";
+ args[1] = 0;
+ args[2] = 1;
+ args[3] = (unsigned long) -1;
+ p1275_cmd_direct(args);
+
+ return (int) args[3];
}
#ifdef CONFIG_SMP
void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg)
{
- p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, arg);
+ unsigned long args[6];
+
+ args[0] = (unsigned long) "SUNW,start-cpu";
+ args[1] = 3;
+ args[2] = 0;
+ args[3] = (unsigned int) cpunode;
+ args[4] = pc;
+ args[5] = arg;
+ p1275_cmd_direct(args);
}
void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg)
{
- p1275_cmd("SUNW,start-cpu-by-cpuid", P1275_INOUT(3, 0),
- cpuid, pc, arg);
+ unsigned long args[6];
+
+ args[0] = (unsigned long) "SUNW,start-cpu-by-cpuid";
+ args[1] = 3;
+ args[2] = 0;
+ args[3] = (unsigned int) cpuid;
+ args[4] = pc;
+ args[5] = arg;
+ p1275_cmd_direct(args);
}
void prom_stopcpu_cpuid(int cpuid)
{
- p1275_cmd("SUNW,stop-cpu-by-cpuid", P1275_INOUT(1, 0),
- cpuid);
+ unsigned long args[4];
+
+ args[0] = (unsigned long) "SUNW,stop-cpu-by-cpuid";
+ args[1] = 1;
+ args[2] = 0;
+ args[3] = (unsigned int) cpuid;
+ p1275_cmd_direct(args);
}
void prom_stopself(void)
{
- p1275_cmd("SUNW,stop-self", P1275_INOUT(0, 0));
+ unsigned long args[3];
+
+ args[0] = (unsigned long) "SUNW,stop-self";
+ args[1] = 0;
+ args[2] = 0;
+ p1275_cmd_direct(args);
}
void prom_idleself(void)
{
- p1275_cmd("SUNW,idle-self", P1275_INOUT(0, 0));
+ unsigned long args[3];
+
+ args[0] = (unsigned long) "SUNW,idle-self";
+ args[1] = 0;
+ args[2] = 0;
+ p1275_cmd_direct(args);
}
void prom_resumecpu(int cpunode)
{
- p1275_cmd("SUNW,resume-cpu", P1275_INOUT(1, 0), cpunode);
+ unsigned long args[4];
+
+ args[0] = (unsigned long) "SUNW,resume-cpu";
+ args[1] = 1;
+ args[2] = 0;
+ args[3] = (unsigned int) cpunode;
+ p1275_cmd_direct(args);
}
#endif
diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c
index 2d8b70d397f1..fa6e4e219b9c 100644
--- a/arch/sparc/prom/p1275.c
+++ b/arch/sparc/prom/p1275.c
@@ -22,13 +22,11 @@ struct {
long prom_callback; /* 0x00 */
void (*prom_cif_handler)(long *); /* 0x08 */
unsigned long prom_cif_stack; /* 0x10 */
- unsigned long prom_args [23]; /* 0x18 */
- char prom_buffer [3000];
} p1275buf;
extern void prom_world(int);
-extern void prom_cif_interface(void);
+extern void prom_cif_direct(unsigned long *args);
extern void prom_cif_callback(void);
/*
@@ -36,114 +34,20 @@ extern void prom_cif_callback(void);
*/
DEFINE_RAW_SPINLOCK(prom_entry_lock);
-long p1275_cmd(const char *service, long fmt, ...)
+void p1275_cmd_direct(unsigned long *args)
{
- char *p, *q;
unsigned long flags;
- int nargs, nrets, i;
- va_list list;
- long attrs, x;
-
- p = p1275buf.prom_buffer;
raw_local_save_flags(flags);
raw_local_irq_restore(PIL_NMI);
raw_spin_lock(&prom_entry_lock);
- p1275buf.prom_args[0] = (unsigned long)p; /* service */
- strcpy (p, service);
- p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
- p1275buf.prom_args[1] = nargs = (fmt & 0x0f); /* nargs */
- p1275buf.prom_args[2] = nrets = ((fmt & 0xf0) >> 4); /* nrets */
- attrs = fmt >> 8;
- va_start(list, fmt);
- for (i = 0; i < nargs; i++, attrs >>= 3) {
- switch (attrs & 0x7) {
- case P1275_ARG_NUMBER:
- p1275buf.prom_args[i + 3] =
- (unsigned)va_arg(list, long);
- break;
- case P1275_ARG_IN_64B:
- p1275buf.prom_args[i + 3] =
- va_arg(list, unsigned long);
- break;
- case P1275_ARG_IN_STRING:
- strcpy (p, va_arg(list, char *));
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- p = (char *)(((long)(strchr (p, 0) + 8)) & ~7);
- break;
- case P1275_ARG_OUT_BUF:
- (void) va_arg(list, char *);
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- x = va_arg(list, long);
- i++; attrs >>= 3;
- p = (char *)(((long)(p + (int)x + 7)) & ~7);
- p1275buf.prom_args[i + 3] = x;
- break;
- case P1275_ARG_IN_BUF:
- q = va_arg(list, char *);
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- x = va_arg(list, long);
- i++; attrs >>= 3;
- memcpy (p, q, (int)x);
- p = (char *)(((long)(p + (int)x + 7)) & ~7);
- p1275buf.prom_args[i + 3] = x;
- break;
- case P1275_ARG_OUT_32B:
- (void) va_arg(list, char *);
- p1275buf.prom_args[i + 3] = (unsigned long)p;
- p += 32;
- break;
- case P1275_ARG_IN_FUNCTION:
- p1275buf.prom_args[i + 3] =
- (unsigned long)prom_cif_callback;
- p1275buf.prom_callback = va_arg(list, long);
- break;
- }
- }
- va_end(list);
-
prom_world(1);
- prom_cif_interface();
+ prom_cif_direct(args);
prom_world(0);
- attrs = fmt >> 8;
- va_start(list, fmt);
- for (i = 0; i < nargs; i++, attrs >>= 3) {
- switch (attrs & 0x7) {
- case P1275_ARG_NUMBER:
- (void) va_arg(list, long);
- break;
- case P1275_ARG_IN_STRING:
- (void) va_arg(list, char *);
- break;
- case P1275_ARG_IN_FUNCTION:
- (void) va_arg(list, long);
- break;
- case P1275_ARG_IN_BUF:
- (void) va_arg(list, char *);
- (void) va_arg(list, long);
- i++; attrs >>= 3;
- break;
- case P1275_ARG_OUT_BUF:
- p = va_arg(list, char *);
- x = va_arg(list, long);
- memcpy (p, (char *)(p1275buf.prom_args[i + 3]), (int)x);
- i++; attrs >>= 3;
- break;
- case P1275_ARG_OUT_32B:
- p = va_arg(list, char *);
- memcpy (p, (char *)(p1275buf.prom_args[i + 3]), 32);
- break;
- }
- }
- va_end(list);
- x = p1275buf.prom_args [nargs + 3];
-
raw_spin_unlock(&prom_entry_lock);
raw_local_irq_restore(flags);
-
- return x;
}
void prom_cif_init(void *cif_handler, void *cif_stack)
diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c
index 3c0d2dd9f693..9d3f9137a43a 100644
--- a/arch/sparc/prom/tree_64.c
+++ b/arch/sparc/prom/tree_64.c
@@ -16,22 +16,39 @@
#include <asm/oplib.h>
#include <asm/ldc.h>
+static int prom_node_to_node(const char *type, int node)
+{
+ unsigned long args[5];
+
+ args[0] = (unsigned long) type;
+ args[1] = 1;
+ args[2] = 1;
+ args[3] = (unsigned int) node;
+ args[4] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[4];
+}
+
/* Return the child of node 'node' or zero if no this node has no
* direct descendent.
*/
inline int __prom_getchild(int node)
{
- return p1275_cmd ("child", P1275_INOUT(1, 1), node);
+ return prom_node_to_node("child", node);
}
inline int prom_getchild(int node)
{
int cnode;
- if(node == -1) return 0;
+ if (node == -1)
+ return 0;
cnode = __prom_getchild(node);
- if(cnode == -1) return 0;
- return (int)cnode;
+ if (cnode == -1)
+ return 0;
+ return cnode;
}
EXPORT_SYMBOL(prom_getchild);
@@ -39,10 +56,12 @@ inline int prom_getparent(int node)
{
int cnode;
- if(node == -1) return 0;
- cnode = p1275_cmd ("parent", P1275_INOUT(1, 1), node);
- if(cnode == -1) return 0;
- return (int)cnode;
+ if (node == -1)
+ return 0;
+ cnode = prom_node_to_node("parent", node);
+ if (cnode == -1)
+ return 0;
+ return cnode;
}
/* Return the next sibling of node 'node' or zero if no more siblings
@@ -50,7 +69,7 @@ inline int prom_getparent(int node)
*/
inline int __prom_getsibling(int node)
{
- return p1275_cmd(prom_peer_name, P1275_INOUT(1, 1), node);
+ return prom_node_to_node(prom_peer_name, node);
}
inline int prom_getsibling(int node)
@@ -72,11 +91,21 @@ EXPORT_SYMBOL(prom_getsibling);
*/
inline int prom_getproplen(int node, const char *prop)
{
- if((!node) || (!prop)) return -1;
- return p1275_cmd ("getproplen",
- P1275_ARG(1,P1275_ARG_IN_STRING)|
- P1275_INOUT(2, 1),
- node, prop);
+ unsigned long args[6];
+
+ if (!node || !prop)
+ return -1;
+
+ args[0] = (unsigned long) "getproplen";
+ args[1] = 2;
+ args[2] = 1;
+ args[3] = (unsigned int) node;
+ args[4] = (unsigned long) prop;
+ args[5] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[5];
}
EXPORT_SYMBOL(prom_getproplen);
@@ -87,19 +116,25 @@ EXPORT_SYMBOL(prom_getproplen);
inline int prom_getproperty(int node, const char *prop,
char *buffer, int bufsize)
{
+ unsigned long args[8];
int plen;
plen = prom_getproplen(node, prop);
- if ((plen > bufsize) || (plen == 0) || (plen == -1)) {
+ if ((plen > bufsize) || (plen == 0) || (plen == -1))
return -1;
- } else {
- /* Ok, things seem all right. */
- return p1275_cmd(prom_getprop_name,
- P1275_ARG(1,P1275_ARG_IN_STRING)|
- P1275_ARG(2,P1275_ARG_OUT_BUF)|
- P1275_INOUT(4, 1),
- node, prop, buffer, P1275_SIZE(plen));
- }
+
+ args[0] = (unsigned long) prom_getprop_name;
+ args[1] = 4;
+ args[2] = 1;
+ args[3] = (unsigned int) node;
+ args[4] = (unsigned long) prop;
+ args[5] = (unsigned long) buffer;
+ args[6] = bufsize;
+ args[7] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[7];
}
EXPORT_SYMBOL(prom_getproperty);
@@ -110,7 +145,7 @@ inline int prom_getint(int node, const char *prop)
{
int intprop;
- if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1)
+ if (prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1)
return intprop;
return -1;
@@ -126,7 +161,8 @@ int prom_getintdefault(int node, const char *property, int deflt)
int retval;
retval = prom_getint(node, property);
- if(retval == -1) return deflt;
+ if (retval == -1)
+ return deflt;
return retval;
}
@@ -138,7 +174,8 @@ int prom_getbool(int node, const char *prop)
int retval;
retval = prom_getproplen(node, prop);
- if(retval == -1) return 0;
+ if (retval == -1)
+ return 0;
return 1;
}
EXPORT_SYMBOL(prom_getbool);
@@ -152,7 +189,8 @@ void prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size)
int len;
len = prom_getproperty(node, prop, user_buf, ubuf_size);
- if(len != -1) return;
+ if (len != -1)
+ return;
user_buf[0] = 0;
}
EXPORT_SYMBOL(prom_getstring);
@@ -164,7 +202,8 @@ int prom_nodematch(int node, const char *name)
{
char namebuf[128];
prom_getproperty(node, "name", namebuf, sizeof(namebuf));
- if(strcmp(namebuf, name) == 0) return 1;
+ if (strcmp(namebuf, name) == 0)
+ return 1;
return 0;
}
@@ -190,16 +229,29 @@ int prom_searchsiblings(int node_start, const char *nodename)
}
EXPORT_SYMBOL(prom_searchsiblings);
+static const char *prom_nextprop_name = "nextprop";
+
/* Return the first property type for node 'node'.
* buffer should be at least 32B in length
*/
inline char *prom_firstprop(int node, char *buffer)
{
+ unsigned long args[7];
+
*buffer = 0;
- if(node == -1) return buffer;
- p1275_cmd ("nextprop", P1275_ARG(2,P1275_ARG_OUT_32B)|
- P1275_INOUT(3, 0),
- node, (char *) 0x0, buffer);
+ if (node == -1)
+ return buffer;
+
+ args[0] = (unsigned long) prom_nextprop_name;
+ args[1] = 3;
+ args[2] = 1;
+ args[3] = (unsigned int) node;
+ args[4] = 0;
+ args[5] = (unsigned long) buffer;
+ args[6] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
return buffer;
}
EXPORT_SYMBOL(prom_firstprop);
@@ -210,9 +262,10 @@ EXPORT_SYMBOL(prom_firstprop);
*/
inline char *prom_nextprop(int node, const char *oprop, char *buffer)
{
+ unsigned long args[7];
char buf[32];
- if(node == -1) {
+ if (node == -1) {
*buffer = 0;
return buffer;
}
@@ -220,10 +273,17 @@ inline char *prom_nextprop(int node, const char *oprop, char *buffer)
strcpy (buf, oprop);
oprop = buf;
}
- p1275_cmd ("nextprop", P1275_ARG(1,P1275_ARG_IN_STRING)|
- P1275_ARG(2,P1275_ARG_OUT_32B)|
- P1275_INOUT(3, 0),
- node, oprop, buffer);
+
+ args[0] = (unsigned long) prom_nextprop_name;
+ args[1] = 3;
+ args[2] = 1;
+ args[3] = (unsigned int) node;
+ args[4] = (unsigned long) oprop;
+ args[5] = (unsigned long) buffer;
+ args[6] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
return buffer;
}
EXPORT_SYMBOL(prom_nextprop);
@@ -231,12 +291,19 @@ EXPORT_SYMBOL(prom_nextprop);
int
prom_finddevice(const char *name)
{
+ unsigned long args[5];
+
if (!name)
return 0;
- return p1275_cmd(prom_finddev_name,
- P1275_ARG(0,P1275_ARG_IN_STRING)|
- P1275_INOUT(1, 1),
- name);
+ args[0] = (unsigned long) "finddevice";
+ args[1] = 1;
+ args[2] = 1;
+ args[3] = (unsigned long) name;
+ args[4] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[4];
}
EXPORT_SYMBOL(prom_finddevice);
@@ -247,7 +314,7 @@ int prom_node_has_property(int node, const char *prop)
*buf = 0;
do {
prom_nextprop(node, buf, buf);
- if(!strcmp(buf, prop))
+ if (!strcmp(buf, prop))
return 1;
} while (*buf);
return 0;
@@ -260,6 +327,8 @@ EXPORT_SYMBOL(prom_node_has_property);
int
prom_setprop(int node, const char *pname, char *value, int size)
{
+ unsigned long args[8];
+
if (size == 0)
return 0;
if ((pname == 0) || (value == 0))
@@ -271,19 +340,37 @@ prom_setprop(int node, const char *pname, char *value, int size)
return 0;
}
#endif
- return p1275_cmd ("setprop", P1275_ARG(1,P1275_ARG_IN_STRING)|
- P1275_ARG(2,P1275_ARG_IN_BUF)|
- P1275_INOUT(4, 1),
- node, pname, value, P1275_SIZE(size));
+ args[0] = (unsigned long) "setprop";
+ args[1] = 4;
+ args[2] = 1;
+ args[3] = (unsigned int) node;
+ args[4] = (unsigned long) pname;
+ args[5] = (unsigned long) value;
+ args[6] = size;
+ args[7] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[7];
}
EXPORT_SYMBOL(prom_setprop);
inline int prom_inst2pkg(int inst)
{
+ unsigned long args[5];
int node;
- node = p1275_cmd ("instance-to-package", P1275_INOUT(1, 1), inst);
- if (node == -1) return 0;
+ args[0] = (unsigned long) "instance-to-package";
+ args[1] = 1;
+ args[2] = 1;
+ args[3] = (unsigned int) inst;
+ args[4] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ node = (int) args[4];
+ if (node == -1)
+ return 0;
return node;
}
@@ -296,17 +383,28 @@ prom_pathtoinode(const char *path)
int node, inst;
inst = prom_devopen (path);
- if (inst == 0) return 0;
- node = prom_inst2pkg (inst);
- prom_devclose (inst);
- if (node == -1) return 0;
+ if (inst == 0)
+ return 0;
+ node = prom_inst2pkg(inst);
+ prom_devclose(inst);
+ if (node == -1)
+ return 0;
return node;
}
int prom_ihandle2path(int handle, char *buffer, int bufsize)
{
- return p1275_cmd("instance-to-path",
- P1275_ARG(1,P1275_ARG_OUT_BUF)|
- P1275_INOUT(3, 1),
- handle, buffer, P1275_SIZE(bufsize));
+ unsigned long args[7];
+
+ args[0] = (unsigned long) "instance-to-path";
+ args[1] = 3;
+ args[2] = 1;
+ args[3] = (unsigned int) handle;
+ args[4] = (unsigned long) buffer;
+ args[5] = bufsize;
+ args[6] = (unsigned long) -1;
+
+ p1275_cmd_direct(args);
+
+ return (int) args[6];
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 03:03:58 +0000