mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/hppa: Drop attempted gdbstub support for hppa64

Browse Source 
There is no support for hppa64 in gdb.  Any attempt to provide the
data for the larger hppa64 registers results in an error from gdb.
Mask CR_SAR writes to the width of the register: 5 or 6 bits.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-17 20:48:38 -07:00
parent 0c01f9ba2d
commit e207b4aa71
1 changed files with 13 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
target/hppa/gdbstub.c
View File

@ -21,11 +21,16 @@
#include "cpu.h"
#include "gdbstub/helpers.h"
/*
* GDB 15 only supports PA1.0 via the remote protocol, and ignores
* any provided xml. Which means that any attempt to provide more
* data results in "Remote 'g' packet reply is too long".
*/
int hppa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
{
HPPACPU *cpu = HPPA_CPU(cs);
CPUHPPAState *env = &cpu->env;
target_ureg val;
CPUHPPAState *env = cpu_env(cs);
uint32_t val;
switch (n) {
case 0:
@ -139,24 +144,13 @@ int hppa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
break;
}
if (TARGET_REGISTER_BITS == 64) {
return gdb_get_reg64(mem_buf, val);
} else {
return gdb_get_reg32(mem_buf, val);
}
return gdb_get_reg32(mem_buf, val);
}
int hppa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
{
HPPACPU *cpu = HPPA_CPU(cs);
CPUHPPAState *env = &cpu->env;
target_ureg val;
if (TARGET_REGISTER_BITS == 64) {
val = ldq_p(mem_buf);
} else {
val = ldl_p(mem_buf);
}
CPUHPPAState *env = cpu_env(cs);
uint32_t val = ldl_p(mem_buf);
switch (n) {
case 0:
@ -166,7 +160,7 @@ int hppa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
env->gr[n] = val;
break;
case 32:
env->cr[CR_SAR] = val;
env->cr[CR_SAR] = val & (hppa_is_pa20(env) ? 63 : 31);
break;
case 33:
env->iaoq_f = val;
@ -278,5 +272,5 @@ int hppa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
}
break;
}
return sizeof(target_ureg);
return 4;
}