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Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/file.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/file.c599
1 files changed, 429 insertions, 170 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index c1e64331049..786fdb1a1cc 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -32,11 +32,13 @@
#include "spufs.h"
+
static int
spufs_mem_open(struct inode *inode, struct file *file)
{
struct spufs_inode_info *i = SPUFS_I(inode);
file->private_data = i->i_ctx;
+ file->f_mapping = i->i_ctx->local_store;
return 0;
}
@@ -44,23 +46,16 @@ static ssize_t
spufs_mem_read(struct file *file, char __user *buffer,
size_t size, loff_t *pos)
{
- struct spu *spu;
- struct spu_context *ctx;
+ struct spu_context *ctx = file->private_data;
+ char *local_store;
int ret;
- ctx = file->private_data;
- spu = ctx->spu;
+ spu_acquire(ctx);
- down_read(&ctx->backing_sema);
- if (spu->number & 0/*1*/) {
- ret = generic_file_read(file, buffer, size, pos);
- goto out;
- }
+ local_store = ctx->ops->get_ls(ctx);
+ ret = simple_read_from_buffer(buffer, size, pos, local_store, LS_SIZE);
- ret = simple_read_from_buffer(buffer, size, pos,
- spu->local_store, LS_SIZE);
-out:
- up_read(&ctx->backing_sema);
+ spu_release(ctx);
return ret;
}
@@ -69,50 +64,181 @@ spufs_mem_write(struct file *file, const char __user *buffer,
size_t size, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
- struct spu *spu = ctx->spu;
-
- if (spu->number & 0) //1)
- return generic_file_write(file, buffer, size, pos);
+ char *local_store;
+ int ret;
size = min_t(ssize_t, LS_SIZE - *pos, size);
if (size <= 0)
return -EFBIG;
*pos += size;
- return copy_from_user(spu->local_store + *pos - size,
- buffer, size) ? -EFAULT : size;
+
+ spu_acquire(ctx);
+
+ local_store = ctx->ops->get_ls(ctx);
+ ret = copy_from_user(local_store + *pos - size,
+ buffer, size) ? -EFAULT : size;
+
+ spu_release(ctx);
+ return ret;
}
+#ifdef CONFIG_SPARSEMEM
+static struct page *
+spufs_mem_mmap_nopage(struct vm_area_struct *vma,
+ unsigned long address, int *type)
+{
+ struct page *page = NOPAGE_SIGBUS;
+
+ struct spu_context *ctx = vma->vm_file->private_data;
+ unsigned long offset = address - vma->vm_start;
+ offset += vma->vm_pgoff << PAGE_SHIFT;
+
+ spu_acquire(ctx);
+
+ if (ctx->state == SPU_STATE_SAVED)
+ page = vmalloc_to_page(ctx->csa.lscsa->ls + offset);
+ else
+ page = pfn_to_page((ctx->spu->local_store_phys + offset)
+ >> PAGE_SHIFT);
+
+ spu_release(ctx);
+
+ if (type)
+ *type = VM_FAULT_MINOR;
+
+ return page;
+}
+
+static struct vm_operations_struct spufs_mem_mmap_vmops = {
+ .nopage = spufs_mem_mmap_nopage,
+};
+
static int
spufs_mem_mmap(struct file *file, struct vm_area_struct *vma)
{
- struct spu_context *ctx = file->private_data;
- struct spu *spu = ctx->spu;
- unsigned long pfn;
-
- if (spu->number & 0) //1)
- return generic_file_mmap(file, vma);
+ if (!(vma->vm_flags & VM_SHARED))
+ return -EINVAL;
+ /* FIXME: */
vma->vm_flags |= VM_RESERVED;
- vma->vm_page_prot = __pgprot(pgprot_val (vma->vm_page_prot)
- | _PAGE_NO_CACHE);
- pfn = spu->local_store_phys >> PAGE_SHIFT;
- /*
- * This will work for actual SPUs, but not for vmalloc memory:
- */
- if (remap_pfn_range(vma, vma->vm_start, pfn,
- vma->vm_end-vma->vm_start, vma->vm_page_prot))
- return -EAGAIN;
+ vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
+ | _PAGE_NO_CACHE);
+
+ vma->vm_ops = &spufs_mem_mmap_vmops;
return 0;
}
+#endif
static struct file_operations spufs_mem_fops = {
.open = spufs_mem_open,
.read = spufs_mem_read,
.write = spufs_mem_write,
+ .llseek = generic_file_llseek,
+#ifdef CONFIG_SPARSEMEM
.mmap = spufs_mem_mmap,
+#endif
+};
+
+static int
+spufs_regs_open(struct inode *inode, struct file *file)
+{
+ struct spufs_inode_info *i = SPUFS_I(inode);
+ file->private_data = i->i_ctx;
+ return 0;
+}
+
+static ssize_t
+spufs_regs_read(struct file *file, char __user *buffer,
+ size_t size, loff_t *pos)
+{
+ struct spu_context *ctx = file->private_data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ int ret;
+
+ spu_acquire_saved(ctx);
+
+ ret = simple_read_from_buffer(buffer, size, pos,
+ lscsa->gprs, sizeof lscsa->gprs);
+
+ spu_release(ctx);
+ return ret;
+}
+
+static ssize_t
+spufs_regs_write(struct file *file, const char __user *buffer,
+ size_t size, loff_t *pos)
+{
+ struct spu_context *ctx = file->private_data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ int ret;
+
+ size = min_t(ssize_t, sizeof lscsa->gprs - *pos, size);
+ if (size <= 0)
+ return -EFBIG;
+ *pos += size;
+
+ spu_acquire_saved(ctx);
+
+ ret = copy_from_user(lscsa->gprs + *pos - size,
+ buffer, size) ? -EFAULT : size;
+
+ spu_release(ctx);
+ return ret;
+}
+
+static struct file_operations spufs_regs_fops = {
+ .open = spufs_regs_open,
+ .read = spufs_regs_read,
+ .write = spufs_regs_write,
.llseek = generic_file_llseek,
};
+static ssize_t
+spufs_fpcr_read(struct file *file, char __user * buffer,
+ size_t size, loff_t * pos)
+{
+ struct spu_context *ctx = file->private_data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ int ret;
+
+ spu_acquire_saved(ctx);
+
+ ret = simple_read_from_buffer(buffer, size, pos,
+ &lscsa->fpcr, sizeof(lscsa->fpcr));
+
+ spu_release(ctx);
+ return ret;
+}
+
+static ssize_t
+spufs_fpcr_write(struct file *file, const char __user * buffer,
+ size_t size, loff_t * pos)
+{
+ struct spu_context *ctx = file->private_data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ int ret;
+
+ size = min_t(ssize_t, sizeof(lscsa->fpcr) - *pos, size);
+ if (size <= 0)
+ return -EFBIG;
+ *pos += size;
+
+ spu_acquire_saved(ctx);
+
+ ret = copy_from_user((char *)&lscsa->fpcr + *pos - size,
+ buffer, size) ? -EFAULT : size;
+
+ spu_release(ctx);
+ return ret;
+}
+
+static struct file_operations spufs_fpcr_fops = {
+ .open = spufs_regs_open,
+ .read = spufs_fpcr_read,
+ .write = spufs_fpcr_write,
+ .llseek = generic_file_llseek,
+};
+
/* generic open function for all pipe-like files */
static int spufs_pipe_open(struct inode *inode, struct file *file)
{
@@ -125,21 +251,19 @@ static int spufs_pipe_open(struct inode *inode, struct file *file)
static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
- struct spu_context *ctx;
- struct spu_problem __iomem *prob;
- u32 mbox_stat;
+ struct spu_context *ctx = file->private_data;
u32 mbox_data;
+ int ret;
if (len < 4)
return -EINVAL;
- ctx = file->private_data;
- prob = ctx->spu->problem;
- mbox_stat = in_be32(&prob->mb_stat_R);
- if (!(mbox_stat & 0x0000ff))
- return -EAGAIN;
+ spu_acquire(ctx);
+ ret = ctx->ops->mbox_read(ctx, &mbox_data);
+ spu_release(ctx);
- mbox_data = in_be32(&prob->pu_mb_R);
+ if (!ret)
+ return -EAGAIN;
if (copy_to_user(buf, &mbox_data, sizeof mbox_data))
return -EFAULT;
@@ -155,14 +279,17 @@ static struct file_operations spufs_mbox_fops = {
static ssize_t spufs_mbox_stat_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
- struct spu_context *ctx;
+ struct spu_context *ctx = file->private_data;
u32 mbox_stat;
if (len < 4)
return -EINVAL;
- ctx = file->private_data;
- mbox_stat = in_be32(&ctx->spu->problem->mb_stat_R) & 0xff;
+ spu_acquire(ctx);
+
+ mbox_stat = ctx->ops->mbox_stat_read(ctx) & 0xff;
+
+ spu_release(ctx);
if (copy_to_user(buf, &mbox_stat, sizeof mbox_stat))
return -EFAULT;
@@ -175,57 +302,78 @@ static struct file_operations spufs_mbox_stat_fops = {
.read = spufs_mbox_stat_read,
};
+/*
+ * spufs_wait
+ * Same as wait_event_interruptible(), except that here
+ * we need to call spu_release(ctx) before sleeping, and
+ * then spu_acquire(ctx) when awoken.
+ */
+
+#define spufs_wait(wq, condition) \
+({ \
+ int __ret = 0; \
+ DEFINE_WAIT(__wait); \
+ for (;;) { \
+ prepare_to_wait(&(wq), &__wait, TASK_INTERRUPTIBLE); \
+ if (condition) \
+ break; \
+ if (!signal_pending(current)) { \
+ spu_release(ctx); \
+ schedule(); \
+ spu_acquire(ctx); \
+ continue; \
+ } \
+ __ret = -ERESTARTSYS; \
+ break; \
+ } \
+ finish_wait(&(wq), &__wait); \
+ __ret; \
+})
+
/* low-level ibox access function */
-size_t spu_ibox_read(struct spu *spu, u32 *data)
+size_t spu_ibox_read(struct spu_context *ctx, u32 *data)
{
- int ret;
-
- spin_lock_irq(&spu->register_lock);
+ return ctx->ops->ibox_read(ctx, data);
+}
- if (in_be32(&spu->problem->mb_stat_R) & 0xff0000) {
- /* read the first available word */
- *data = in_be64(&spu->priv2->puint_mb_R);
- ret = 4;
- } else {
- /* make sure we get woken up by the interrupt */
- out_be64(&spu->priv1->int_mask_class2_RW,
- in_be64(&spu->priv1->int_mask_class2_RW) | 0x1);
- ret = 0;
- }
+static int spufs_ibox_fasync(int fd, struct file *file, int on)
+{
+ struct spu_context *ctx = file->private_data;
- spin_unlock_irq(&spu->register_lock);
- return ret;
+ return fasync_helper(fd, file, on, &ctx->ibox_fasync);
}
-EXPORT_SYMBOL(spu_ibox_read);
-static int spufs_ibox_fasync(int fd, struct file *file, int on)
+/* interrupt-level ibox callback function. */
+void spufs_ibox_callback(struct spu *spu)
{
- struct spu_context *ctx;
- ctx = file->private_data;
- return fasync_helper(fd, file, on, &ctx->spu->ibox_fasync);
+ struct spu_context *ctx = spu->ctx;
+
+ wake_up_all(&ctx->ibox_wq);
+ kill_fasync(&ctx->ibox_fasync, SIGIO, POLLIN);
}
static ssize_t spufs_ibox_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
- struct spu_context *ctx;
+ struct spu_context *ctx = file->private_data;
u32 ibox_data;
ssize_t ret;
if (len < 4)
return -EINVAL;
- ctx = file->private_data;
+ spu_acquire(ctx);
ret = 0;
if (file->f_flags & O_NONBLOCK) {
- if (!spu_ibox_read(ctx->spu, &ibox_data))
+ if (!spu_ibox_read(ctx, &ibox_data))
ret = -EAGAIN;
} else {
- ret = wait_event_interruptible(ctx->spu->ibox_wq,
- spu_ibox_read(ctx->spu, &ibox_data));
+ ret = spufs_wait(ctx->ibox_wq, spu_ibox_read(ctx, &ibox_data));
}
+ spu_release(ctx);
+
if (ret)
return ret;
@@ -238,16 +386,17 @@ static ssize_t spufs_ibox_read(struct file *file, char __user *buf,
static unsigned int spufs_ibox_poll(struct file *file, poll_table *wait)
{
- struct spu_context *ctx;
- struct spu_problem __iomem *prob;
+ struct spu_context *ctx = file->private_data;
u32 mbox_stat;
unsigned int mask;
- ctx = file->private_data;
- prob = ctx->spu->problem;
- mbox_stat = in_be32(&prob->mb_stat_R);
+ spu_acquire(ctx);
+
+ mbox_stat = ctx->ops->mbox_stat_read(ctx);
+
+ spu_release(ctx);
- poll_wait(file, &ctx->spu->ibox_wq, wait);
+ poll_wait(file, &ctx->ibox_wq, wait);
mask = 0;
if (mbox_stat & 0xff0000)
@@ -266,14 +415,15 @@ static struct file_operations spufs_ibox_fops = {
static ssize_t spufs_ibox_stat_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
- struct spu_context *ctx;
+ struct spu_context *ctx = file->private_data;
u32 ibox_stat;
if (len < 4)
return -EINVAL;
- ctx = file->private_data;
- ibox_stat = (in_be32(&ctx->spu->problem->mb_stat_R) >> 16) & 0xff;
+ spu_acquire(ctx);
+ ibox_stat = (ctx->ops->mbox_stat_read(ctx) >> 16) & 0xff;
+ spu_release(ctx);
if (copy_to_user(buf, &ibox_stat, sizeof ibox_stat))
return -EFAULT;
@@ -287,75 +437,69 @@ static struct file_operations spufs_ibox_stat_fops = {
};
/* low-level mailbox write */
-size_t spu_wbox_write(struct spu *spu, u32 data)
+size_t spu_wbox_write(struct spu_context *ctx, u32 data)
{
- int ret;
+ return ctx->ops->wbox_write(ctx, data);
+}
- spin_lock_irq(&spu->register_lock);
+static int spufs_wbox_fasync(int fd, struct file *file, int on)
+{
+ struct spu_context *ctx = file->private_data;
+ int ret;
- if (in_be32(&spu->problem->mb_stat_R) & 0x00ff00) {
- /* we have space to write wbox_data to */
- out_be32(&spu->problem->spu_mb_W, data);
- ret = 4;
- } else {
- /* make sure we get woken up by the interrupt when space
- becomes available */
- out_be64(&spu->priv1->int_mask_class2_RW,
- in_be64(&spu->priv1->int_mask_class2_RW) | 0x10);
- ret = 0;
- }
+ ret = fasync_helper(fd, file, on, &ctx->wbox_fasync);
- spin_unlock_irq(&spu->register_lock);
return ret;
}
-EXPORT_SYMBOL(spu_wbox_write);
-static int spufs_wbox_fasync(int fd, struct file *file, int on)
+/* interrupt-level wbox callback function. */
+void spufs_wbox_callback(struct spu *spu)
{
- struct spu_context *ctx;
- ctx = file->private_data;
- return fasync_helper(fd, file, on, &ctx->spu->wbox_fasync);
+ struct spu_context *ctx = spu->ctx;
+
+ wake_up_all(&ctx->wbox_wq);
+ kill_fasync(&ctx->wbox_fasync, SIGIO, POLLOUT);
}
static ssize_t spufs_wbox_write(struct file *file, const char __user *buf,
size_t len, loff_t *pos)
{
- struct spu_context *ctx;
+ struct spu_context *ctx = file->private_data;
u32 wbox_data;
int ret;
if (len < 4)
return -EINVAL;
- ctx = file->private_data;
-
if (copy_from_user(&wbox_data, buf, sizeof wbox_data))
return -EFAULT;
+ spu_acquire(ctx);
+
ret = 0;
if (file->f_flags & O_NONBLOCK) {
- if (!spu_wbox_write(ctx->spu, wbox_data))
+ if (!spu_wbox_write(ctx, wbox_data))
ret = -EAGAIN;
} else {
- ret = wait_event_interruptible(ctx->spu->wbox_wq,
- spu_wbox_write(ctx->spu, wbox_data));
+ ret = spufs_wait(ctx->wbox_wq, spu_wbox_write(ctx, wbox_data));
}
+ spu_release(ctx);
+
return ret ? ret : sizeof wbox_data;
}
static unsigned int spufs_wbox_poll(struct file *file, poll_table *wait)
{
- struct spu_context *ctx;
- struct spu_problem __iomem *prob;
+ struct spu_context *ctx = file->private_data;
u32 mbox_stat;
unsigned int mask;
- ctx = file->private_data;
- prob = ctx->spu->problem;
- mbox_stat = in_be32(&prob->mb_stat_R);
+ spu_acquire(ctx);
+ mbox_stat = ctx->ops->mbox_stat_read(ctx);
+ spu_release(ctx);
- poll_wait(file, &ctx->spu->wbox_wq, wait);
+ poll_wait(file, &ctx->wbox_wq, wait);
mask = 0;
if (mbox_stat & 0x00ff00)
@@ -374,14 +518,15 @@ static struct file_operations spufs_wbox_fops = {
static ssize_t spufs_wbox_stat_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
- struct spu_context *ctx;
+ struct spu_context *ctx = file->private_data;
u32 wbox_stat;
if (len < 4)
return -EINVAL;
- ctx = file->private_data;
- wbox_stat = (in_be32(&ctx->spu->problem->mb_stat_R) >> 8) & 0xff;
+ spu_acquire(ctx);
+ wbox_stat = (ctx->ops->mbox_stat_read(ctx) >> 8) & 0xff;
+ spu_release(ctx);
if (copy_to_user(buf, &wbox_stat, sizeof wbox_stat))
return -EFAULT;
@@ -395,47 +540,41 @@ static struct file_operations spufs_wbox_stat_fops = {
};
long spufs_run_spu(struct file *file, struct spu_context *ctx,
- u32 *npc, u32 *status)
+ u32 *npc, u32 *status)
{
- struct spu_problem __iomem *prob;
int ret;
- if (file->f_flags & O_NONBLOCK) {
- ret = -EAGAIN;
- if (!down_write_trylock(&ctx->backing_sema))
- goto out;
- } else {
- down_write(&ctx->backing_sema);
- }
+ ret = spu_acquire_runnable(ctx);
+ if (ret)
+ return ret;
- prob = ctx->spu->problem;
- out_be32(&prob->spu_npc_RW, *npc);
+ ctx->ops->npc_write(ctx, *npc);
ret = spu_run(ctx->spu);
- *status = in_be32(&prob->spu_status_R);
- *npc = in_be32(&prob->spu_npc_RW);
+ if (!ret)
+ ret = ctx->ops->status_read(ctx);
- up_write(&ctx->backing_sema);
+ *npc = ctx->ops->npc_read(ctx);
-out:
+ spu_release(ctx);
+ spu_yield(ctx);
return ret;
}
static ssize_t spufs_signal1_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
- struct spu_context *ctx;
- struct spu_problem *prob;
+ struct spu_context *ctx = file->private_data;
u32 data;
- ctx = file->private_data;
- prob = ctx->spu->problem;
-
if (len < 4)
return -EINVAL;
- data = in_be32(&prob->signal_notify1);
+ spu_acquire(ctx);
+ data = ctx->ops->signal1_read(ctx);
+ spu_release(ctx);
+
if (copy_to_user(buf, &data, 4))
return -EFAULT;
@@ -446,11 +585,9 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx;
- struct spu_problem *prob;
u32 data;
ctx = file->private_data;
- prob = ctx->spu->problem;
if (len < 4)
return -EINVAL;
@@ -458,7 +595,9 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf,
if (copy_from_user(&data, buf, 4))
return -EFAULT;
- out_be32(&prob->signal_notify1, data);
+ spu_acquire(ctx);
+ ctx->ops->signal1_write(ctx, data);
+ spu_release(ctx);
return 4;
}
@@ -473,16 +612,17 @@ static ssize_t spufs_signal2_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx;
- struct spu_problem *prob;
u32 data;
ctx = file->private_data;
- prob = ctx->spu->problem;
if (len < 4)
return -EINVAL;
- data = in_be32(&prob->signal_notify2);
+ spu_acquire(ctx);
+ data = ctx->ops->signal2_read(ctx);
+ spu_release(ctx);
+
if (copy_to_user(buf, &data, 4))
return -EFAULT;
@@ -493,11 +633,9 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx;
- struct spu_problem *prob;
u32 data;
ctx = file->private_data;
- prob = ctx->spu->problem;
if (len < 4)
return -EINVAL;
@@ -505,7 +643,9 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf,
if (copy_from_user(&data, buf, 4))
return -EFAULT;
- out_be32(&prob->signal_notify2, data);
+ spu_acquire(ctx);
+ ctx->ops->signal2_write(ctx, data);
+ spu_release(ctx);
return 4;
}
@@ -519,23 +659,22 @@ static struct file_operations spufs_signal2_fops = {
static void spufs_signal1_type_set(void *data, u64 val)
{
struct spu_context *ctx = data;
- struct spu_priv2 *priv2 = ctx->spu->priv2;
- u64 tmp;
- spin_lock_irq(&ctx->spu->register_lock);
- tmp = in_be64(&priv2->spu_cfg_RW);
- if (val)
- tmp |= 1;
- else
- tmp &= ~1;
- out_be64(&priv2->spu_cfg_RW, tmp);
- spin_unlock_irq(&ctx->spu->register_lock);
+ spu_acquire(ctx);
+ ctx->ops->signal1_type_set(ctx, val);
+ spu_release(ctx);
}
static u64 spufs_signal1_type_get(void *data)
{
struct spu_context *ctx = data;
- return (in_be64(&ctx->spu->priv2->spu_cfg_RW) & 1) != 0;
+ u64 ret;
+
+ spu_acquire(ctx);
+ ret = ctx->ops->signal1_type_get(ctx);
+ spu_release(ctx);
+
+ return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_signal1_type, spufs_signal1_type_get,
spufs_signal1_type_set, "%llu");
@@ -543,23 +682,22 @@ DEFINE_SIMPLE_ATTRIBUTE(spufs_signal1_type, spufs_signal1_type_get,
static void spufs_signal2_type_set(void *data, u64 val)
{
struct spu_context *ctx = data;
- struct spu_priv2 *priv2 = ctx->spu->priv2;
- u64 tmp;
- spin_lock_irq(&ctx->spu->register_lock);
- tmp = in_be64(&priv2->spu_cfg_RW);
- if (val)
- tmp |= 2;
- else
- tmp &= ~2;
- out_be64(&priv2->spu_cfg_RW, tmp);
- spin_unlock_irq(&ctx->spu->register_lock);
+ spu_acquire(ctx);
+ ctx->ops->signal2_type_set(ctx, val);
+ spu_release(ctx);
}
static u64 spufs_signal2_type_get(void *data)
{
struct spu_context *ctx = data;
- return (in_be64(&ctx->spu->priv2->spu_cfg_RW) & 2) != 0;
+ u64 ret;
+
+ spu_acquire(ctx);
+ ret = ctx->ops->signal2_type_get(ctx);
+ spu_release(ctx);
+
+ return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
spufs_signal2_type_set, "%llu");
@@ -567,20 +705,135 @@ DEFINE_SIMPLE_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
static void spufs_npc_set(void *data, u64 val)
{
struct spu_context *ctx = data;
- out_be32(&ctx->spu->problem->spu_npc_RW, val);
+ spu_acquire(ctx);
+ ctx->ops->npc_write(ctx, val);
+ spu_release(ctx);
}
static u64 spufs_npc_get(void *data)
{
struct spu_context *ctx = data;
u64 ret;
- ret = in_be32(&ctx->spu->problem->spu_npc_RW);
+ spu_acquire(ctx);
+ ret = ctx->ops->npc_read(ctx);
+ spu_release(ctx);
return ret;
}
DEFINE_SIMPLE_ATTRIBUTE(spufs_npc_ops, spufs_npc_get, spufs_npc_set, "%llx\n")
+static void spufs_decr_set(void *data, u64 val)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ spu_acquire_saved(ctx);
+ lscsa->decr.slot[0] = (u32) val;
+ spu_release(ctx);
+}
+
+static u64 spufs_decr_get(void *data)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ u64 ret;
+ spu_acquire_saved(ctx);
+ ret = lscsa->decr.slot[0];
+ spu_release(ctx);
+ return ret;
+}
+DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_ops, spufs_decr_get, spufs_decr_set,
+ "%llx\n")
+
+static void spufs_decr_status_set(void *data, u64 val)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ spu_acquire_saved(ctx);
+ lscsa->decr_status.slot[0] = (u32) val;
+ spu_release(ctx);
+}
+
+static u64 spufs_decr_status_get(void *data)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ u64 ret;
+ spu_acquire_saved(ctx);
+ ret = lscsa->decr_status.slot[0];
+ spu_release(ctx);
+ return ret;
+}
+DEFINE_SIMPLE_ATTRIBUTE(spufs_decr_status_ops, spufs_decr_status_get,
+ spufs_decr_status_set, "%llx\n")
+
+static void spufs_spu_tag_mask_set(void *data, u64 val)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ spu_acquire_saved(ctx);
+ lscsa->tag_mask.slot[0] = (u32) val;
+ spu_release(ctx);
+}
+
+static u64 spufs_spu_tag_mask_get(void *data)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ u64 ret;
+ spu_acquire_saved(ctx);
+ ret = lscsa->tag_mask.slot[0];
+ spu_release(ctx);
+ return ret;
+}
+DEFINE_SIMPLE_ATTRIBUTE(spufs_spu_tag_mask_ops, spufs_spu_tag_mask_get,
+ spufs_spu_tag_mask_set, "%llx\n")
+
+static void spufs_event_mask_set(void *data, u64 val)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ spu_acquire_saved(ctx);
+ lscsa->event_mask.slot[0] = (u32) val;
+ spu_release(ctx);
+}
+
+static u64 spufs_event_mask_get(void *data)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ u64 ret;
+ spu_acquire_saved(ctx);
+ ret = lscsa->event_mask.slot[0];
+ spu_release(ctx);
+ return ret;
+}
+DEFINE_SIMPLE_ATTRIBUTE(spufs_event_mask_ops, spufs_event_mask_get,
+ spufs_event_mask_set, "%llx\n")
+
+static void spufs_srr0_set(void *data, u64 val)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ spu_acquire_saved(ctx);
+ lscsa->srr0.slot[0] = (u32) val;
+ spu_release(ctx);
+}
+
+static u64 spufs_srr0_get(void *data)
+{
+ struct spu_context *ctx = data;
+ struct spu_lscsa *lscsa = ctx->csa.lscsa;
+ u64 ret;
+ spu_acquire_saved(ctx);
+ ret = lscsa->srr0.slot[0];
+ spu_release(ctx);
+ return ret;
+}
+DEFINE_SIMPLE_ATTRIBUTE(spufs_srr0_ops, spufs_srr0_get, spufs_srr0_set,
+ "%llx\n")
+
struct tree_descr spufs_dir_contents[] = {
{ "mem", &spufs_mem_fops, 0666, },
+ { "regs", &spufs_regs_fops, 0666, },
{ "mbox", &spufs_mbox_fops, 0444, },
{ "ibox", &spufs_ibox_fops, 0444, },
{ "wbox", &spufs_wbox_fops, 0222, },
@@ -592,5 +845,11 @@ struct tree_descr spufs_dir_contents[] = {
{ "signal1_type", &spufs_signal1_type, 0666, },
{ "signal2_type", &spufs_signal2_type, 0666, },
{ "npc", &spufs_npc_ops, 0666, },
+ { "fpcr", &spufs_fpcr_fops, 0666, },
+ { "decr", &spufs_decr_ops, 0666, },
+ { "decr_status", &spufs_decr_status_ops, 0666, },
+ { "spu_tag_mask", &spufs_spu_tag_mask_ops, 0666, },
+ { "event_mask", &spufs_event_mask_ops, 0666, },
+ { "srr0", &spufs_srr0_ops, 0666, },
{},
};
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 08:26:16 +0000