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| author | Richard Henderson | 2022-05-02 02:42:43 +0200 |
|---|---|---|
| committer | Richard Henderson | 2022-06-28 01:07:18 +0200 |
| commit | 1577eec0fca6fd67bdc0727d10de4bdc3f8afa95 (patch) | |
| tree | 9e10446e7f9026ca32d16bf2576b545271a8ac2d /semihosting | |
| parent | semihosting: Create qemu_semihosting_guestfd_init (diff) | |
| download | qemu-1577eec0fca6fd67bdc0727d10de4bdc3f8afa95.tar.gz qemu-1577eec0fca6fd67bdc0727d10de4bdc3f8afa95.tar.xz qemu-1577eec0fca6fd67bdc0727d10de4bdc3f8afa95.zip | |
semihosting: Use console_in_gf for SYS_READC
Reviewed-by: Luc Michel <lmichel@kalray.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'semihosting')
| -rw-r--r-- | semihosting/arm-compat-semi.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/semihosting/arm-compat-semi.c b/semihosting/arm-compat-semi.c index fdb143ace8..9d4d6d2812 100644 --- a/semihosting/arm-compat-semi.c +++ b/semihosting/arm-compat-semi.c @@ -302,6 +302,22 @@ common_semi_flen_fstat_cb(CPUState *cs, uint64_t ret, int err) common_semi_cb(cs, ret, err); } +static void +common_semi_readc_cb(CPUState *cs, uint64_t ret, int err) +{ + if (!err) { + CPUArchState *env G_GNUC_UNUSED = cs->env_ptr; + uint8_t ch; + + if (get_user_u8(ch, common_semi_stack_bottom(cs) - 1)) { + ret = -1, err = EFAULT; + } else { + ret = ch; + } + } + common_semi_cb(cs, ret, err); +} + #define SHFB_MAGIC_0 0x53 #define SHFB_MAGIC_1 0x48 #define SHFB_MAGIC_2 0x46 @@ -428,15 +444,8 @@ void do_common_semihosting(CPUState *cs) break; case TARGET_SYS_READC: - { - uint8_t ch; - int ret = qemu_semihosting_console_read(cs, &ch, 1); - if (ret == 1) { - common_semi_cb(cs, ch, 0); - } else { - common_semi_cb(cs, -1, EIO); - } - } + semihost_sys_read_gf(cs, common_semi_readc_cb, &console_in_gf, + common_semi_stack_bottom(cs) - 1, 1); break; case TARGET_SYS_ISERROR: |