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MIPS: MT: Remove unused function mips_mt_regdump()

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The mips_mt_regdump() has not been used since
commit b633648c5a ("MIPS: MT: Remove SMTC support"), so remove it.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Ricardo B. Marliere <ricardo@marliere.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Gaosheng Cui 2024-08-14 18:39:33 +08:00 committed by Thomas Bogendoerfer
parent 7569c9fb2a
commit 3fd19664c3
2 changed files with 0 additions and 79 deletions
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2
arch/mips/include/asm/mips_mt.h
View File

@ -17,8 +17,6 @@ extern int vpelimit;
extern cpumask_t mt_fpu_cpumask;
extern unsigned long mt_fpemul_threshold;
extern void mips_mt_regdump(unsigned long previous_mvpcontrol_value);
#ifdef CONFIG_MIPS_MT
extern void mips_mt_set_cpuoptions(void);
#else

77
arch/mips/kernel/mips-mt.c
View File

@ -43,83 +43,6 @@ static int __init maxtcs(char *str)
__setup("maxtcs=", maxtcs);
/*
* Dump new MIPS MT state for the core. Does not leave TCs halted.
* Takes an argument which taken to be a pre-call MVPControl value.
*/
void mips_mt_regdump(unsigned long mvpctl)
{
unsigned long flags;
unsigned long vpflags;
unsigned long mvpconf0;
int nvpe;
int ntc;
int i;
int tc;
unsigned long haltval;
unsigned long tcstatval;
local_irq_save(flags);
vpflags = dvpe();
printk("=== MIPS MT State Dump ===\n");
printk("-- Global State --\n");
printk(" MVPControl Passed: %08lx\n", mvpctl);
printk(" MVPControl Read: %08lx\n", vpflags);
printk(" MVPConf0 : %08lx\n", (mvpconf0 = read_c0_mvpconf0()));
nvpe = ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1;
ntc = ((mvpconf0 & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1;
printk("-- per-VPE State --\n");
for (i = 0; i < nvpe; i++) {
for (tc = 0; tc < ntc; tc++) {
settc(tc);
if ((read_tc_c0_tcbind() & TCBIND_CURVPE) == i) {
printk(" VPE %d\n", i);
printk(" VPEControl : %08lx\n",
read_vpe_c0_vpecontrol());
printk(" VPEConf0 : %08lx\n",
read_vpe_c0_vpeconf0());
printk(" VPE%d.Status : %08lx\n",
i, read_vpe_c0_status());
printk(" VPE%d.EPC : %08lx %pS\n",
i, read_vpe_c0_epc(),
(void *) read_vpe_c0_epc());
printk(" VPE%d.Cause : %08lx\n",
i, read_vpe_c0_cause());
printk(" VPE%d.Config7 : %08lx\n",
i, read_vpe_c0_config7());
break; /* Next VPE */
}
}
}
printk("-- per-TC State --\n");
for (tc = 0; tc < ntc; tc++) {
settc(tc);
if (read_tc_c0_tcbind() == read_c0_tcbind()) {
/* Are we dumping ourself? */
haltval = 0; /* Then we're not halted, and mustn't be */
tcstatval = flags; /* And pre-dump TCStatus is flags */
printk(" TC %d (current TC with VPE EPC above)\n", tc);
} else {
haltval = read_tc_c0_tchalt();
write_tc_c0_tchalt(1);
tcstatval = read_tc_c0_tcstatus();
printk(" TC %d\n", tc);
}
printk(" TCStatus : %08lx\n", tcstatval);
printk(" TCBind : %08lx\n", read_tc_c0_tcbind());
printk(" TCRestart : %08lx %pS\n",
read_tc_c0_tcrestart(), (void *) read_tc_c0_tcrestart());
printk(" TCHalt : %08lx\n", haltval);
printk(" TCContext : %08lx\n", read_tc_c0_tccontext());
if (!haltval)
write_tc_c0_tchalt(0);
}
printk("===========================\n");
evpe(vpflags);
local_irq_restore(flags);
}
static int mt_opt_rpsctl = -1;
static int mt_opt_nblsu = -1;
static int mt_opt_forceconfig7;