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System call delegation supports DMA alignment

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This commit is contained in:
Taku Shimosawa
2012-02-24 18:08:05 +09:00
parent dad780a133
commit a63b4a7369
7 changed files with 124 additions and 20 deletions
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12
kernel/syscall.c
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@@ -72,7 +72,7 @@ long sys_brk(int n, aal_mc_user_context_t *ctx)
}
#define SYSCALL_DECLARE(name) long sys_##name(int n, aal_mc_user_context_t *ctx)
#define SYSCALL_HEADER struct syscall_request request; \
#define SYSCALL_HEADER struct syscall_request request AAL_DMA_ALIGN; \
request.number = n
#define SYSCALL_ARG_D(n) request.args[n] = aal_mc_syscall_arg##n(ctx)
#define SYSCALL_ARG_MO(n) \
@@ -257,7 +257,7 @@ SYSCALL_DECLARE(uname)
long sys_getxid(int n, aal_mc_user_context_t *ctx)
{
struct syscall_request request;
struct syscall_request request AAL_DMA_ALIGN;
request.number = n;
@@ -287,7 +287,7 @@ SYSCALL_DECLARE(clone)
{
/* Clone a new thread */
struct process *new;
struct syscall_request request;
struct syscall_request request AAL_DMA_ALIGN;
new = clone_process(cpu_local_var(current), aal_mc_syscall_pc(ctx),
aal_mc_syscall_arg1(ctx));
@@ -332,8 +332,6 @@ static long (*syscall_table[])(int, aal_mc_user_context_t *) = {
[231] = sys_exit_group,
};
#define DEBUG_PRINT_SC
long syscall(int num, aal_mc_user_context_t *ctx)
{
long l;
@@ -345,9 +343,7 @@ long syscall(int num, aal_mc_user_context_t *ctx)
aal_mc_get_processor_id(),
num,
aal_mc_syscall_arg0(ctx), aal_mc_syscall_arg1(ctx),
aal_mc_syscall_arg2(ctx), aal_mc_syscall_arg3(ctx),
aal_mc_syscall_arg4(ctx), aal_mc_syscall_pc(ctx),
aal_mc_syscall_sp(ctx));
aal_mc_syscall_pc(ctx), aal_mc_syscall_sp(ctx));
#endif
if (syscall_table[num]) {