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This commit is contained in:
Taku Shimosawa
2011-12-02 12:35:38 +09:00
parent 5fdb3b2bb2
commit 7999653a00
18 changed files with 536 additions and 64 deletions
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50
kernel/host.c
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@@ -19,6 +19,7 @@ static void process_msg_prepare_process(unsigned long rphys)
struct program_load_desc *p, *pn;
int i, npages, n;
struct process *proc;
unsigned long addr;
sz = sizeof(struct program_load_desc)
+ sizeof(struct program_image_section) * 16;
@@ -38,6 +39,9 @@ static void process_msg_prepare_process(unsigned long rphys)
proc = create_process(p->entry);
proc->pid = p->pid;
/* TODO: Clear it at the proper timing */
cpu_local_var(scp).post_idx = 0;
for (i = 0; i < n; i++) {
s = (pn->sections[i].vaddr) & PAGE_MASK;
e = (pn->sections[i].vaddr + pn->sections[i].len
@@ -65,8 +69,25 @@ static void process_msg_prepare_process(unsigned long rphys)
}
proc->region.brk_start = proc->region.brk_end = proc->region.data_end;
proc->region.map_start = proc->region.map_end =
(USER_END / 3) & PAGE_MASK;
(USER_END / 3) & LARGE_PAGE_MASK;
/* Map system call stuffs */
addr = proc->region.map_start - PAGE_SIZE * SCD_RESERVED_COUNT;
e = addr + PAGE_SIZE * DOORBELL_PAGE_COUNT;
add_process_memory_range(proc, addr, e,
cpu_local_var(scp).doorbell_pa,
VR_REMOTE | VR_RESERVED);
addr = e;
e = addr + PAGE_SIZE * REQUEST_PAGE_COUNT;
add_process_memory_range(proc, addr, e,
cpu_local_var(scp).request_pa,
VR_REMOTE | VR_RESERVED);
addr = e;
e = addr + PAGE_SIZE * RESPONSE_PAGE_COUNT;
add_process_memory_range(proc, addr, e,
cpu_local_var(scp).response_pa,
VR_RESERVED);
p->rprocess = (unsigned long)proc;
init_process_stack(proc);
@@ -84,7 +105,7 @@ static void process_msg_init(struct ikc_scd_init_param *pcp)
struct syscall_params *lparam;
lparam = &cpu_local_var(scp);
lparam->response_va = allocate_pages(1, 0);
lparam->response_va = allocate_pages(RESPONSE_PAGE_COUNT, 0);
lparam->response_pa = virt_to_phys(lparam->response_va);
pcp->request_page = 0;
@@ -100,16 +121,27 @@ static void process_msg_init_acked(unsigned long pphys)
lparam = &cpu_local_var(scp);
lparam->request_rpa = param->request_page;
lparam->request_pa = aal_mc_map_memory(NULL, param->request_page,
PAGE_SIZE);
lparam->request_va = aal_mc_map_virtual(lparam->request_pa, 1,
REQUEST_PAGE_COUNT * PAGE_SIZE);
lparam->request_va = aal_mc_map_virtual(lparam->request_pa,
REQUEST_PAGE_COUNT,
PTATTR_WRITABLE);
lparam->doorbell_rpa = param->doorbell_page;
lparam->doorbell_pa = aal_mc_map_memory(NULL, param->doorbell_page,
DOORBELL_PAGE_COUNT *
PAGE_SIZE);
lparam->doorbell_va = aal_mc_map_virtual(lparam->doorbell_pa, 1,
lparam->doorbell_va = aal_mc_map_virtual(lparam->doorbell_pa,
DOORBELL_PAGE_COUNT,
PTATTR_WRITABLE);
lparam->post_rpa = param->post_page;
lparam->post_pa = aal_mc_map_memory(NULL, param->post_page,
PAGE_SIZE);
lparam->post_va = aal_mc_map_virtual(lparam->post_pa, 1,
PTATTR_WRITABLE);
lparam->post_fin = 1;
kprintf("Syscall parameters:\n");
kprintf(" Response: %lx, %p\n",
lparam->response_pa, lparam->response_va);
@@ -117,7 +149,8 @@ static void process_msg_init_acked(unsigned long pphys)
lparam->request_pa, lparam->request_rpa, lparam->request_va);
kprintf(" Doorbell: %lx, %lx, %p\n",
lparam->doorbell_pa, lparam->doorbell_rpa, lparam->doorbell_va);
kprintf(" Post: %lx, %lx, %p\n",
lparam->post_pa, lparam->post_rpa, lparam->post_va);
}
static void syscall_channel_send(struct aal_ikc_channel_desc *c,
@@ -150,6 +183,7 @@ static int syscall_packet_handler(struct aal_ikc_channel_desc *c,
case SCD_MSG_SCHEDULE_PROCESS:
kprintf("next one : %lx\n", packet->arg);
cpu_local_var(next) = (struct process *)packet->arg;
return 0;
}