gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

merge KNC B0 changes and cleanup mcexec

Browse Source
This commit is contained in:
Balazs Gerofi
2012-08-03 23:12:06 +09:00
parent 0f8749e063
commit 9f82fae7af
4 changed files with 118 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
linux/executer/mcexec.c
View File

@ -195,7 +195,9 @@ void print_desc(struct program_load_desc *desc)
#define PIN_SIZE (1 << PIN_SHIFT)
#define PIN_MASK ~(unsigned long)(PIN_SIZE - 1)
#if 0
unsigned long dma_buf_pa;
#endif
void print_flat(char *flat)
@ -271,10 +273,13 @@ int flatten_strings(int nr_strings, char **strings, char **flat)
int main(int argc, char **argv)
{
int fd, fdm;
int fd;
#if 0
int fdm;
long r;
#endif
FILE *fp;
struct program_load_desc *desc;
long r;
char *envs;
char *args;
@ -311,6 +316,8 @@ int main(int argc, char **argv)
fprintf(stderr, "Error: Failed to open /dev/mcctrl.\n");
return 1;
}
#if 0
fdm = open("/dev/fmem", O_RDWR);
if (fdm < 0) {
fprintf(stderr, "Error: Failed to open /dev/fmem.\n");
@ -327,6 +334,20 @@ int main(int argc, char **argv)
dma_buf = mmap(NULL, PIN_SIZE, PROT_READ | PROT_WRITE,
MAP_SHARED, fdm, dma_buf_pa);
__dprintf("DMA Buffer: %lx, %p\n", dma_buf_pa, dma_buf);
#endif
dma_buf = mmap(0, PIN_SIZE, PROT_READ | PROT_WRITE,
(MAP_ANONYMOUS | MAP_PRIVATE), -1, 0);
if (!dma_buf) {
printf("error: allocating DMA area\n");
exit(1);
}
/* PIN buffer */
if (mlock(dma_buf, (size_t)PIN_SIZE)) {
printf("ERROR: locking dma_buf\n");
exit(1);
}
if (ioctl(fd, MCEXEC_UP_PREPARE_IMAGE, (unsigned long)desc) != 0) {
perror("prepare");

83
linux/mod_mcctrl/control.c
View File

@ -25,6 +25,7 @@ static long mcexec_prepare_image(aal_os_t os,
struct program_load_desc desc, *pdesc;
struct ikc_scd_packet isp;
void *args, *envs;
long ret = 0;
if (copy_from_user(&desc, udesc,
sizeof(struct program_load_desc))) {
@ -56,17 +57,15 @@ static long mcexec_prepare_image(aal_os_t os,
envs = kmalloc(pdesc->envs_len, GFP_KERNEL);
if (copy_from_user(envs, pdesc->envs, pdesc->envs_len)) {
kfree(envs);
kfree(args);
kfree(pdesc);
return -EFAULT;
ret = -EFAULT;
goto free_out;
}
pdesc->args = virt_to_phys(args);
printk("args: 0x%lX\n", pdesc->args);
pdesc->args = (void*)virt_to_phys(args);
printk("args: 0x%lX\n", (unsigned long)pdesc->args);
printk("argc: %d\n", *(int*)args);
pdesc->envs = virt_to_phys(envs);
printk("envs: 0x%lX\n", pdesc->envs);
pdesc->envs = (void*)virt_to_phys(envs);
printk("envs: 0x%lX\n", (unsigned long)pdesc->envs);
printk("envc: %d\n", *(int*)envs);
isp.msg = SCD_MSG_PREPARE_PROCESS;
@ -81,19 +80,28 @@ static long mcexec_prepare_image(aal_os_t os,
wait_event_interruptible(wq_prepare, pdesc->status);
copy_to_user(udesc, pdesc, sizeof(struct program_load_desc) +
sizeof(struct program_image_section) * desc.num_sections);
if (copy_to_user(udesc, pdesc, sizeof(struct program_load_desc) +
sizeof(struct program_image_section) * desc.num_sections)) {
ret = -EFAULT;
goto free_out;
}
ret = 0;
free_out:
kfree(args);
kfree(pdesc);
kfree(envs);
kfree(args);
return 0;
return ret;
}
int mcexec_load_image(aal_os_t os, struct program_transfer *__user upt)
{
struct program_transfer pt;
unsigned long phys, ret = 0;
void *rpm;
#if 0
unsigned long dma_status = 0;
aal_dma_channel_t channel;
struct aal_dma_request request;
@ -103,10 +111,33 @@ int mcexec_load_image(aal_os_t os, struct program_transfer *__user upt)
if (!channel) {
return -EINVAL;
}
#endif
if (copy_from_user(&pt, upt, sizeof(pt))) {
return -EFAULT;
}
phys = aal_device_map_memory(aal_os_to_dev(os), pt.dest, PAGE_SIZE);
#ifdef CONFIG_KNF
rpm = ioremap_wc(phys, PAGE_SIZE);
#else
rpm = aal_device_map_virtual(aal_os_to_dev(os), phys, PAGE_SIZE, NULL, 0);
#endif
if (copy_from_user(rpm, pt.src, PAGE_SIZE)) {
ret = -EFAULT;
}
#ifdef CONFIG_KNF
iounmap(rpm);
#else
aal_device_unmap_virtual(aal_os_to_dev(os), rpm, PAGE_SIZE);
#endif
aal_device_unmap_memory(aal_os_to_dev(os), phys, PAGE_SIZE);
return ret;
#if 0
p = (void *)__get_free_page(GFP_KERNEL);
if (copy_from_user(p, pt.src, PAGE_SIZE)) {
@ -132,6 +163,7 @@ int mcexec_load_image(aal_os_t os, struct program_transfer *__user upt)
free_page((unsigned long)p);
return 0;
#endif
}
extern unsigned long last_thread_exec;
@ -174,9 +206,9 @@ int mcexec_syscall(struct mcctrl_channel *c, unsigned long arg)
#ifndef DO_USER_MODE
int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
struct syscall_request *sc);
static int remaining_job, base_cpu, job_pos;
#endif
static int remaining_job, base_cpu, job_pos;
extern int num_channels;
extern int mcctrl_dma_abort;
@ -184,7 +216,6 @@ int mcexec_wait_syscall(aal_os_t os, struct syscall_wait_desc *__user req)
{
struct syscall_wait_desc swd;
struct mcctrl_channel *c;
unsigned long s, w, d;
if (copy_from_user(&swd, req, sizeof(swd.cpu))) {
return -EFAULT;
@ -286,7 +317,11 @@ long mcexec_load_syscall(aal_os_t os, struct syscall_load_desc *__user arg)
}
phys = aal_device_map_memory(aal_os_to_dev(os), desc.src, desc.size);
#ifdef CONFIG_KNF
rpm = ioremap_wc(phys, desc.size);
#else
rpm = aal_device_map_virtual(aal_os_to_dev(os), phys, desc.size, NULL, 0);
#endif
dprintk("mcexec_load_syscall: %s (desc.size: %d)\n", rpm, desc.size);
@ -294,8 +329,13 @@ long mcexec_load_syscall(aal_os_t os, struct syscall_load_desc *__user arg)
return -EFAULT;
}
#ifdef CONFIG_KNF
iounmap(rpm);
aal_device_unmap_memory(aal_os_to_dev(os), phys, desc.size);
#else
aal_device_unmap_virtual(aal_os_to_dev(os), rpm, desc.size);
#endif
aal_device_unmap_memory(aal_os_to_dev(os), phys, desc.size);
/*
aal_dma_channel_t channel;
@ -330,14 +370,16 @@ long mcexec_load_syscall(aal_os_t os, struct syscall_load_desc *__user arg)
long mcexec_ret_syscall(aal_os_t os, struct syscall_ret_desc *__user arg)
{
struct syscall_ret_desc ret;
struct mcctrl_channel *mc;
#if 0
aal_dma_channel_t channel;
struct aal_dma_request request;
struct mcctrl_channel *mc;
channel = aal_device_get_dma_channel(aal_os_to_dev(os), 0);
if (!channel) {
return -EINVAL;
}
#endif
if (copy_from_user(&ret, arg, sizeof(struct syscall_ret_desc))) {
return -EFAULT;
@ -356,7 +398,12 @@ long mcexec_ret_syscall(aal_os_t os, struct syscall_ret_desc *__user arg)
phys = aal_device_map_memory(aal_os_to_dev(os), ret.dest,
ret.size);
#ifdef CONFIG_KNF
rpm = ioremap_wc(phys, ret.size);
#else
rpm = aal_device_map_virtual(aal_os_to_dev(os), phys,
ret.size, NULL, 0);
#endif
if (copy_from_user(rpm, (void *__user)ret.src, ret.size)) {
return -EFAULT;
@ -364,7 +411,11 @@ long mcexec_ret_syscall(aal_os_t os, struct syscall_ret_desc *__user arg)
mc->param.response_va->status = 1;
#ifdef CONFIG_KNF
iounmap(rpm);
#else
aal_device_unmap_virtual(aal_os_to_dev(os), rpm, ret.size);
#endif
aal_device_unmap_memory(aal_os_to_dev(os), phys, ret.size);
/*

22
linux/mod_mcctrl/ikc.c
View File

@ -98,7 +98,13 @@ static void mcctrl_ikc_init(aal_os_t os, int cpu, unsigned long rphys)
phys = aal_device_map_memory(aal_os_to_dev(os), rphys,
sizeof(struct ikc_scd_init_param));
#ifdef CONFIG_KNF
rpm = ioremap_wc(phys, sizeof(struct ikc_scd_init_param));
#else
rpm = aal_device_map_virtual(aal_os_to_dev(os), phys,
sizeof(struct ikc_scd_init_param),
NULL, 0);
#endif
pmc->param.request_va =
(void *)__get_free_pages(GFP_KERNEL,
@ -117,8 +123,14 @@ static void mcctrl_ikc_init(aal_os_t os, int cpu, unsigned long rphys)
= aal_device_map_memory(aal_os_to_dev(os),
pmc->param.response_rpa,
PAGE_SIZE);
#ifdef CONFIG_KNF
pmc->param.response_va = ioremap_cache(pmc->param.response_pa,
PAGE_SIZE);
#else
pmc->param.response_va = aal_device_map_virtual(aal_os_to_dev(os),
pmc->param.response_pa,
PAGE_SIZE, NULL, 0);
#endif
pmc->dma_buf = (void *)__get_free_pages(GFP_KERNEL,
DMA_PIN_SHIFT - PAGE_SHIFT);
@ -140,7 +152,12 @@ static void mcctrl_ikc_init(aal_os_t os, int cpu, unsigned long rphys)
aal_ikc_send(pmc->c, &packet, 0);
#ifdef CONFIG_KNF
iounmap(rpm);
#else
aal_device_unmap_virtual(aal_os_to_dev(os), rpm,
sizeof(struct ikc_scd_init_param));
#endif
aal_device_unmap_memory(aal_os_to_dev(os), phys,
sizeof(struct ikc_scd_init_param));
@ -210,7 +227,12 @@ void __destroy_ikc_channel(aal_os_t os, struct mcctrl_channel *pmc)
REQUEST_SHIFT - PAGE_SHIFT);
free_page((unsigned long)pmc->param.post_va);
#ifdef CONFIG_KNF
iounmap(pmc->param.response_va);
#else
aal_device_unmap_virtual(aal_os_to_dev(os), pmc->param.response_va,
PAGE_SIZE);
#endif
aal_device_unmap_memory(aal_os_to_dev(os),
pmc->param.response_pa, PAGE_SIZE);
free_pages((unsigned long)pmc->dma_buf,

14
linux/mod_mcctrl/syscall.c
View File

@ -12,7 +12,7 @@
#define ALIGN_WAIT_BUF(z) (((z + 63) >> 6) << 6)
#define SC_DEBUG
//#define SC_DEBUG
#ifdef SC_DEBUG
static struct aal_dma_request last_request;
@ -26,6 +26,9 @@ static void print_dma_lastreq(void)
}
#endif
unsigned long last_thread_exec = 0;
#ifndef DO_USER_MODE
static int do_async_copy(aal_os_t os, unsigned long dest, unsigned long src,
unsigned long size, unsigned int inbound)
{
@ -80,7 +83,7 @@ static void async_wait(unsigned char *p, int size)
}
static void clear_wait(unsigned char *p, int size)
{
int asize = ALIGN_WAIT_BUF(size);
//int asize = ALIGN_WAIT_BUF(size);
p[size] = 0;
}
@ -114,13 +117,8 @@ static unsigned long translate_remote_va(struct mcctrl_channel *c,
return -EFAULT;
}
unsigned long last_thread_exec = 0;
extern struct mcctrl_channel *channels;
#ifndef DO_USER_MODE
int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
struct syscall_request *sc)
{
@ -235,4 +233,4 @@ int __do_in_kernel_syscall(aal_os_t os, struct mcctrl_channel *c,
}
}
}
#endif /* DO_USER_MODE */
#endif /* !DO_USER_MODE */