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@ -1,6 +1,6 @@
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--- a/arch/mips/Kconfig
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+++ b/arch/mips/Kconfig
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@@ -1871,6 +1871,28 @@
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@@ -1871,6 +1871,28 @@ config MIPS_VPE_LOADER
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Includes a loader for loading an elf relocatable object
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onto another VPE and running it.
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@ -110,7 +110,7 @@
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/* TCStatus fields (per TC) */
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#define TCSTATUS_TASID (_ULCAST_(0xff))
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#define TCSTATUS_IXMT_SHIFT 10
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@@ -350,6 +390,14 @@
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@@ -350,6 +390,14 @@ do { \
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#define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val)
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#define read_vpe_c0_vpeconf0() mftc0(1, 2)
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#define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val)
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@ -125,7 +125,7 @@
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#define read_vpe_c0_count() mftc0(9, 0)
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#define write_vpe_c0_count(val) mttc0(9, 0, val)
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#define read_vpe_c0_status() mftc0(12, 0)
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@@ -381,6 +429,12 @@
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@@ -381,6 +429,12 @@ do { \
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#define write_tc_c0_tchalt(val) mttc0(2, 4, val)
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#define read_tc_c0_tccontext() mftc0(2, 5)
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#define write_tc_c0_tccontext(val) mttc0(2, 5, val)
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@ -140,7 +140,7 @@
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#define read_tc_gpr_sp() mftgpr(29)
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--- a/arch/mips/kernel/Makefile
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+++ b/arch/mips/kernel/Makefile
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@@ -85,7 +85,8 @@
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@@ -85,7 +85,8 @@ obj-$(CONFIG_MIPS32_O32) += binfmt_elfo3
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obj-$(CONFIG_KGDB) += kgdb.o
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obj-$(CONFIG_PROC_FS) += proc.o
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@ -254,7 +254,7 @@
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/*
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* Dump new MIPS MT state for the core. Does not leave TCs halted.
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@@ -78,18 +148,18 @@
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@@ -78,18 +148,18 @@ void mips_mt_regdump(unsigned long mvpct
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if ((read_tc_c0_tcbind() & TCBIND_CURVPE) == i) {
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printk(" VPE %d\n", i);
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printk(" VPEControl : %08lx\n",
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@ -280,7 +280,7 @@
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break; /* Next VPE */
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}
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}
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@@ -287,6 +357,9 @@
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@@ -287,6 +357,9 @@ void mips_mt_set_cpuoptions(void)
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printk("Mapped %ld ITC cells starting at 0x%08x\n",
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((itcblkgrn & 0x7fe00000) >> 20), itc_base);
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}
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@ -300,7 +300,7 @@
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#include <asm/bootinfo.h>
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#include <asm/cpu.h>
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#include <asm/cpu-features.h>
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@@ -110,3 +111,19 @@
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@@ -110,3 +111,19 @@ const struct seq_operations cpuinfo_op =
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.stop = c_stop,
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.show = show_cpuinfo,
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};
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@ -322,7 +322,7 @@
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+}
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--- a/arch/mips/kernel/smtc.c
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+++ b/arch/mips/kernel/smtc.c
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@@ -1334,6 +1334,13 @@
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@@ -1334,6 +1334,13 @@ void smtc_get_new_mmu_context(struct mm_
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asid = asid_cache(cpu);
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do {
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@ -338,7 +338,7 @@
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flush_icache_all();
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--- a/arch/mips/kernel/vpe.c
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+++ b/arch/mips/kernel/vpe.c
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@@ -76,6 +76,58 @@
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@@ -76,6 +76,58 @@ static struct kspd_notifications kspd_ev
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static int kspd_events_reqd;
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#endif
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@ -397,7 +397,7 @@
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/* grab the likely amount of memory we will need. */
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#ifdef CONFIG_MIPS_VPE_LOADER_TOM
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#define P_SIZE (2 * 1024 * 1024)
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@@ -268,6 +320,13 @@
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@@ -268,6 +320,13 @@ static void *alloc_progmem(unsigned long
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void *addr;
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#ifdef CONFIG_MIPS_VPE_LOADER_TOM
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@ -411,7 +411,7 @@
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/*
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* This means you must tell Linux to use less memory than you
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* physically have, for example by passing a mem= boot argument.
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@@ -746,6 +805,12 @@
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@@ -746,6 +805,12 @@ static int vpe_run(struct vpe * v)
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}
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/* Write the address we want it to start running from in the TCPC register. */
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@ -424,7 +424,7 @@
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write_tc_c0_tcrestart((unsigned long)v->__start);
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write_tc_c0_tccontext((unsigned long)0);
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@@ -759,6 +824,20 @@
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@@ -759,6 +824,20 @@ static int vpe_run(struct vpe * v)
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write_tc_c0_tchalt(read_tc_c0_tchalt() & ~TCHALT_H);
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@ -445,7 +445,7 @@
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/*
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* The sde-kit passes 'memsize' to __start in $a3, so set something
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* here... Or set $a3 to zero and define DFLT_STACK_SIZE and
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@@ -833,6 +912,9 @@
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@@ -833,6 +912,9 @@ static int find_vpe_symbols(struct vpe *
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if ( (v->__start == 0) || (v->shared_ptr == NULL))
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return -1;
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@ -455,7 +455,7 @@
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return 0;
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}
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@@ -994,6 +1076,15 @@
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@@ -994,6 +1076,15 @@ static int vpe_elfload(struct vpe * v)
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(unsigned long)v->load_addr + v->len);
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if ((find_vpe_symbols(v, sechdrs, symindex, strtab, &mod)) < 0) {
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@ -471,7 +471,7 @@
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if (v->__start == 0) {
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printk(KERN_WARNING "VPE loader: program does not contain "
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"a __start symbol\n");
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@@ -1064,6 +1155,9 @@
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@@ -1064,6 +1155,9 @@ static int vpe_open(struct inode *inode,
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struct vpe_notifications *not;
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struct vpe *v;
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int ret;
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@ -481,7 +481,7 @@
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if (minor != iminor(inode)) {
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/* assume only 1 device at the moment. */
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@@ -1089,7 +1183,12 @@
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@@ -1089,7 +1183,12 @@ static int vpe_open(struct inode *inode,
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release_progmem(v->load_addr);
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cleanup_tc(get_tc(tclimit));
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}
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@ -495,7 +495,7 @@
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/* this of-course trashes what was there before... */
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v->pbuffer = vmalloc(P_SIZE);
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if (!v->pbuffer) {
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@@ -1097,11 +1196,14 @@
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@@ -1097,11 +1196,14 @@ static int vpe_open(struct inode *inode,
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return -ENOMEM;
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}
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v->plen = P_SIZE;
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@ -510,7 +510,7 @@
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#ifdef CONFIG_MIPS_APSP_KSPD
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/* get kspd to tell us when a syscall_exit happens */
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@@ -1349,6 +1451,133 @@
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@@ -1349,6 +1451,133 @@ static void kspd_sp_exit( int sp_id)
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cleanup_tc(get_tc(sp_id));
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}
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#endif
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@ -644,7 +644,7 @@
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static ssize_t store_kill(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t len)
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@@ -1430,6 +1659,18 @@
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@@ -1430,6 +1659,18 @@ static int __init vpe_module_init(void)
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printk("VPE loader: not a MIPS MT capable processor\n");
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return -ENODEV;
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}
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@ -663,7 +663,7 @@
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if (vpelimit == 0) {
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printk(KERN_WARNING "No VPEs reserved for AP/SP, not "
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@@ -1474,10 +1715,12 @@
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@@ -1474,10 +1715,12 @@ static int __init vpe_module_init(void)
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mtflags = dmt();
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vpflags = dvpe();
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@ -677,7 +677,7 @@
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val = read_c0_mvpconf0();
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hw_tcs = (val & MVPCONF0_PTC) + 1;
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@@ -1489,6 +1732,7 @@
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@@ -1489,6 +1732,7 @@ static int __init vpe_module_init(void)
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* reschedule send IPIs or similar we might hang.
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*/
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clear_c0_mvpcontrol(MVPCONTROL_VPC);
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@ -685,7 +685,7 @@
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evpe(vpflags);
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emt(mtflags);
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local_irq_restore(flags);
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@@ -1514,6 +1758,7 @@
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@@ -1514,6 +1758,7 @@ static int __init vpe_module_init(void)
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}
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v->ntcs = hw_tcs - tclimit;
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@ -693,7 +693,7 @@
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/* add the tc to the list of this vpe's tc's. */
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list_add(&t->tc, &v->tc);
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@@ -1582,6 +1827,7 @@
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@@ -1582,6 +1827,7 @@ static int __init vpe_module_init(void)
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out_reenable:
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/* release config state */
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clear_c0_mvpcontrol(MVPCONTROL_VPC);
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Florian Fainelli
13 years ago