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sh: Add support for SH7206 and SH7619 CPU subtypes.

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This implements initial support for the SH7206 (SH-2A) and SH7619
(SH-2) MMU-less CPUs.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Yoshinori Sato
2006-11-05 15:40:13 +09:00
committed by Paul Mundt
parent e62438630c
commit 9d4436a6fb
26 changed files with 1035 additions and 52 deletions
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10
arch/sh/kernel/signal.c
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@ -98,7 +98,11 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
*/
#define MOVW(n) (0x9300|((n)-2)) /* Move mem word at PC+n to R3 */
#define TRAP16 0xc310 /* Syscall w/no args (NR in R3) */
#if defined(CONFIG_CPU_SH2) || defined(CONFIG_CPU_SH2A)
#define TRAP_NOARG 0xc320 /* Syscall w/no args (NR in R3) */
#else
#define TRAP_NOARG 0xc310 /* Syscall w/no args (NR in R3) */
#endif
#define OR_R0_R0 0x200b /* or r0,r0 (insert to avoid hardware bug) */
struct sigframe
@ -350,7 +354,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
} else {
/* Generate return code (system call to sigreturn) */
err |= __put_user(MOVW(7), &frame->retcode[0]);
err |= __put_user(TRAP16, &frame->retcode[1]);
err |= __put_user(TRAP_NOARG, &frame->retcode[1]);
err |= __put_user(OR_R0_R0, &frame->retcode[2]);
err |= __put_user(OR_R0_R0, &frame->retcode[3]);
err |= __put_user(OR_R0_R0, &frame->retcode[4]);
@ -430,7 +434,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
} else {
/* Generate return code (system call to rt_sigreturn) */
err |= __put_user(MOVW(7), &frame->retcode[0]);
err |= __put_user(TRAP16, &frame->retcode[1]);
err |= __put_user(TRAP_NOARG, &frame->retcode[1]);
err |= __put_user(OR_R0_R0, &frame->retcode[2]);
err |= __put_user(OR_R0_R0, &frame->retcode[3]);
err |= __put_user(OR_R0_R0, &frame->retcode[4]);